merge_requests.md

stage	group	info
Create	Code Review	To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments

Merge requests API (FREE)

• reference was deprecated in GitLab 12.7.
• draft was introduced as a replacement for work_in_progress in GitLab 14.0.
• merged_by was deprecated in GitLab 14.7.
• merge_user was introduced as an eventual replacement for merged_by in GitLab 14.7.
• merge_status was deprecated in favor of detailed_merge_status in GitLab 15.6.
• with_merge_status_recheck changed in GitLab 15.11 with a flag named restrict_merge_status_recheck to be ignored for requests from users insufficient permissions. Disabled by default.
• approvals_before_merge was deprecated in GitLab 16.0.
• prepared_at was introduced in GitLab 16.1.

Authentication is required for API calls to non-public information.

Removals in API v5

The approvals_before_merge attribute has been deprecated, and is scheduled to be removed in API v5 in favor of the Merge request approvals API.

List merge requests

Get all merge requests the authenticated user has access to. By default it returns only merge requests created by the current user. To get all merge requests, use parameter scope=all.

The state parameter can be used to get only merge requests with a given state (opened, closed, locked, or merged) or all of them (all). It should be noted that when searching by locked it mostly returns no results as it is a short-lived, transitional state. The pagination parameters page and per_page can be used to restrict the list of merge requests.

GET /merge_requests
GET /merge_requests?state=opened
GET /merge_requests?state=all
GET /merge_requests?milestone=release
GET /merge_requests?labels=bug,reproduced
GET /merge_requests?author_id=5
GET /merge_requests?author_username=gitlab-bot
GET /merge_requests?my_reaction_emoji=star
GET /merge_requests?scope=assigned_to_me
GET /merge_requests?search=foo&in=title

Supported attributes:

Attribute	Type	Required	Description
approved_by_ids (PREMIUM)	integer array	{dotted-circle} No	Returns merge requests which have been approved by all the users with the given id. Maximum of 5. None returns merge requests with no approvals. Any returns merge requests with an approval.
approver_ids (PREMIUM)	integer array	{dotted-circle} No	Returns merge requests which have specified all the users with the given id as individual approvers. None returns merge requests without approvers. Any returns merge requests with an approver.
approved	string	{dotted-circle} No	Filters merge requests by their approved status. yes returns only approved merge requests. no returns only non-approved merge requests. Introduced in GitLab 15.11. Available only when the feature flag mr_approved_filter is enabled.
assignee_id	integer	{dotted-circle} No	Returns merge requests assigned to the given user id. None returns unassigned merge requests. Any returns merge requests with an assignee.
author_id	integer	{dotted-circle} No	Returns merge requests created by the given user id. Mutually exclusive with author_username. Combine with scope=all or scope=assigned_to_me.
author_username	string	{dotted-circle} No	Returns merge requests created by the given username. Mutually exclusive with author_id.
created_after	datetime	{dotted-circle} No	Returns merge requests created on or after the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
created_before	datetime	{dotted-circle} No	Returns merge requests created on or before the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
deployed_after	datetime	{dotted-circle} No	Returns merge requests deployed after the given date/time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
deployed_before	datetime	{dotted-circle} No	Returns merge requests deployed before the given date/time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
environment	string	{dotted-circle} No	Returns merge requests deployed to the given environment.
in	string	{dotted-circle} No	Modify the scope of the search attribute. title, description, or a string joining them with comma. Default is title,description.
labels	string	{dotted-circle} No	Returns merge requests matching a comma-separated list of labels. None lists all merge requests with no labels. Any lists all merge requests with at least one label. Predefined names are case-insensitive.
milestone	string	{dotted-circle} No	Returns merge requests for a specific milestone. None returns merge requests with no milestone. Any returns merge requests that have an assigned milestone.
my_reaction_emoji	string	{dotted-circle} No	Returns merge requests reacted by the authenticated user by the given emoji. None returns issues not given a reaction. Any returns issues given at least one reaction.
not	Hash	{dotted-circle} No	Returns merge requests that do not match the parameters supplied. Accepts: labels, milestone, author_id, author_username, assignee_id, assignee_username, reviewer_id, reviewer_username, my_reaction_emoji.
order_by	string	{dotted-circle} No	Returns requests ordered by created_at, title, or updated_at fields. Default is created_at. Introduced in GitLab 14.8.
reviewer_id	integer	{dotted-circle} No	Returns merge requests which have the user as a reviewer with the given user id. None returns merge requests with no reviewers. Any returns merge requests with any reviewer. Mutually exclusive with reviewer_username.
reviewer_username	string	{dotted-circle} No	Returns merge requests which have the user as a reviewer with the given username. None returns merge requests with no reviewers. Any returns merge requests with any reviewer. Mutually exclusive with reviewer_id. Introduced in GitLab 13.8.
scope	string	{dotted-circle} No	Returns merge requests for the given scope: created_by_me, assigned_to_me or all. Defaults to created_by_me.
search	string	{dotted-circle} No	Search merge requests against their title and description.
sort	string	{dotted-circle} No	Returns requests sorted in asc or desc order. Default is desc.
source_branch	string	{dotted-circle} No	Returns merge requests with the given source branch.
state	string	{dotted-circle} No	Returns all merge requests or just those that are opened, closed, locked, or merged.
target_branch	string	{dotted-circle} No	Returns merge requests with the given target branch.
updated_after	datetime	{dotted-circle} No	Returns merge requests updated on or after the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
updated_before	datetime	{dotted-circle} No	Returns merge requests updated on or before the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
view	string	{dotted-circle} No	If simple, returns the iid, URL, title, description, and basic state of merge request.
with_labels_details	boolean	{dotted-circle} No	If true, response returns more details for each label in labels field: :name, :color, :description, :description_html, :text_color. Default is false.
with_merge_status_recheck	boolean	{dotted-circle} No	If true, this projection requests (but does not guarantee) that the merge_status field be recalculated asynchronously. Default is false. Introduced in GitLab 13.0. In GitLab 15.11 and later, enable the restrict_merge_status_recheck feature flag for this attribute to be ignored when requested by users without at least the Developer role.
wip	string	{dotted-circle} No	Filter merge requests against their wip status. yes to return only draft merge requests, no to return non-draft merge requests.

[
  {
    "id": 1,
    "iid": 1,
    "project_id": 3,
    "title": "test1",
    "description": "fixed login page css paddings",
    "state": "merged",
    "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
      "id": 87854,
      "name": "Douwe Maan",
      "username": "DouweM",
      "state": "active",
      "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
      "web_url": "https://gitlab.com/DouweM"
    },
    "merge_user": {
      "id": 87854,
      "name": "Douwe Maan",
      "username": "DouweM",
      "state": "active",
      "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
      "web_url": "https://gitlab.com/DouweM"
    },
    "merged_at": "2018-09-07T11:16:17.520Z",
    "prepared_at": "2018-09-04T11:16:17.520Z",
    "closed_by": null,
    "closed_at": null,
    "created_at": "2017-04-29T08:46:00Z",
    "updated_at": "2017-04-29T08:46:00Z",
    "target_branch": "master",
    "source_branch": "test1",
    "upvotes": 0,
    "downvotes": 0,
    "author": {
      "id": 1,
      "name": "Administrator",
      "username": "admin",
      "state": "active",
      "avatar_url": null,
      "web_url" : "https://gitlab.example.com/admin"
    },
    "assignee": {
      "id": 1,
      "name": "Administrator",
      "username": "admin",
      "state": "active",
      "avatar_url": null,
      "web_url" : "https://gitlab.example.com/admin"
    },
    "assignees": [{
      "name": "Miss Monserrate Beier",
      "username": "axel.block",
      "id": 12,
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
      "web_url": "https://gitlab.example.com/axel.block"
    }],
    "reviewers": [{
      "id": 2,
      "name": "Sam Bauch",
      "username": "kenyatta_oconnell",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/956c92487c6f6f7616b536927e22c9a0?s=80&d=identicon",
      "web_url": "http://gitlab.example.com//kenyatta_oconnell"
    }],
    "source_project_id": 2,
    "target_project_id": 3,
    "labels": [
      "Community contribution",
      "Manage"
    ],
    "draft": false,
    "work_in_progress": false,
    "milestone": {
      "id": 5,
      "iid": 1,
      "project_id": 3,
      "title": "v2.0",
      "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
      "state": "closed",
      "created_at": "2015-02-02T19:49:26.013Z",
      "updated_at": "2015-02-02T19:49:26.013Z",
      "due_date": "2018-09-22",
      "start_date": "2018-08-08",
      "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
    },
    "merge_when_pipeline_succeeds": true,
    "merge_status": "can_be_merged",
    "detailed_merge_status": "not_open",
    "sha": "8888888888888888888888888888888888888888",
    "merge_commit_sha": null,
    "squash_commit_sha": null,
    "user_notes_count": 1,
    "discussion_locked": null,
    "should_remove_source_branch": true,
    "force_remove_source_branch": false,
    "allow_collaboration": false,
    "allow_maintainer_to_push": false,
    "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
    "references": {
      "short": "!1",
      "relative": "my-group/my-project!1",
      "full": "my-group/my-project!1"
    },
    "time_stats": {
      "time_estimate": 0,
      "total_time_spent": 0,
      "human_time_estimate": null,
      "human_total_time_spent": null
    },
    "squash": false,
    "task_completion_status":{
      "count":0,
      "completed_count":0
    }
  }
]

Merge requests list response notes

• Introduced in GitLab 13.0, listing merge requests may not proactively update merge_status (which also affects the has_conflicts), as this can be an expensive operation. If you need the value of these fields from this endpoint, set the with_merge_status_recheck parameter to true in the query.
• For notes on merge request object fields, read Single merge request response notes.

List project merge requests

Get all merge requests for this project. The state parameter can be used to get only merge requests with a given state (opened, closed, locked, or merged) or all of them (all). The pagination parameters page and per_page can be used to restrict the list of merge requests.

GET /projects/:id/merge_requests
GET /projects/:id/merge_requests?state=opened
GET /projects/:id/merge_requests?state=all
GET /projects/:id/merge_requests?iids[]=42&iids[]=43
GET /projects/:id/merge_requests?milestone=release
GET /projects/:id/merge_requests?labels=bug,reproduced
GET /projects/:id/merge_requests?my_reaction_emoji=star

project_id represents the ID of the project where the merge request resides. project_id always equals target_project_id.

In the case of a merge request from the same project, source_project_id, target_project_id and project_id are the same. In the case of a merge request from a fork, target_project_id and project_id are the same and source_project_id is the fork project's ID.

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
approved_by_ids (PREMIUM)	integer array	{dotted-circle} No	Returns merge requests which have been approved by all the users with the given id, with a maximum of 5. None returns merge requests with no approvals. Any returns merge requests with an approval.
approver_ids (PREMIUM)	integer array	{dotted-circle} No	Returns merge requests which have specified all the users with the given id as individual approvers. None returns merge requests without approvers. Any returns merge requests with an approver.
approved	string	{dotted-circle} No	Filters merge requests by their approved status. yes returns only approved merge requests. no returns only non-approved merge requests. Introduced in GitLab 15.11. Available only when the feature flag mr_approved_filter is enabled.
assignee_id	integer	{dotted-circle} No	Returns merge requests assigned to the given user id. None returns unassigned merge requests. Any returns merge requests with an assignee.
author_id	integer	{dotted-circle} No	Returns merge requests created by the given user id. Mutually exclusive with author_username.
author_username	string	{dotted-circle} No	Returns merge requests created by the given username. Mutually exclusive with author_id.
created_after	datetime	{dotted-circle} No	Returns merge requests created on or after the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
created_before	datetime	{dotted-circle} No	Returns merge requests created on or before the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
environment	string	{dotted-circle} No	Returns merge requests deployed to the given environment.
iids[]	integer array	{dotted-circle} No	Returns the request having the given iid.
labels	string	{dotted-circle} No	Returns merge requests matching a comma-separated list of labels. None lists all merge requests with no labels. Any lists all merge requests with at least one label. Predefined names are case-insensitive.
milestone	string	{dotted-circle} No	Returns merge requests for a specific milestone. None returns merge requests with no milestone. Any returns merge requests that have an assigned milestone.
my_reaction_emoji	string	{dotted-circle} No	Returns merge requests reacted by the authenticated user by the given emoji. None returns issues not given a reaction. Any returns issues given at least one reaction.
not	Hash	{dotted-circle} No	Returns merge requests that do not match the parameters supplied. Accepts: labels, milestone, author_id, author_username, assignee_id, assignee_username, reviewer_id, reviewer_username, my_reaction_emoji.
order_by	string	{dotted-circle} No	Returns requests ordered by created_at, title or updated_at fields. Default is created_at. Introduced in GitLab 14.8.
reviewer_id	integer	{dotted-circle} No	Returns merge requests which have the user as a reviewer with the given user id. None returns merge requests with no reviewers. Any returns merge requests with any reviewer. Mutually exclusive with reviewer_username.
reviewer_username	string	{dotted-circle} No	Returns merge requests which have the user as a reviewer with the given username. None returns merge requests with no reviewers. Any returns merge requests with any reviewer. Mutually exclusive with reviewer_id. Introduced in GitLab 13.8.
scope	string	{dotted-circle} No	Returns merge requests for the given scope: created_by_me, assigned_to_me, or all.
search	string	{dotted-circle} No	Search merge requests against their title and description.
sort	string	{dotted-circle} No	Returns requests sorted in asc or desc order. Default is desc.
source_branch	string	{dotted-circle} No	Returns merge requests with the given source branch.
state	string	{dotted-circle} No	Returns all merge requests or just those that are opened, closed, locked, or merged.
target_branch	string	{dotted-circle} No	Returns merge requests with the given target branch.
updated_after	datetime	{dotted-circle} No	Returns merge requests updated on or after the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
updated_before	datetime	{dotted-circle} No	Returns merge requests updated on or before the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
view	string	{dotted-circle} No	If simple, returns the iid, URL, title, description, and basic state of merge request.
wip	string	{dotted-circle} No	Filter merge requests against their wip status. yes to return only draft merge requests, no to return non-draft merge requests.
with_labels_details	boolean	{dotted-circle} No	If true, response returns more details for each label in labels field: :name, :color, :description, :description_html, :text_color. Default is false.
with_merge_status_recheck	boolean	{dotted-circle} No	If true, this projection requests (but does not guarantee) that the merge_status field be recalculated asynchronously. Default is false. Introduced in GitLab 13.0. In GitLab 15.11 and later, enable the restrict_merge_status_recheck feature flag for this attribute to be ignored when requested by users without at least the Developer role.

[
  {
    "id": 1,
    "iid": 1,
    "project_id": 3,
    "title": "test1",
    "description": "fixed login page css paddings",
    "state": "merged",
    "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
      "id": 87854,
      "name": "Douwe Maan",
      "username": "DouweM",
      "state": "active",
      "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
      "web_url": "https://gitlab.com/DouweM"
    },
    "merge_user": {
      "id": 87854,
      "name": "Douwe Maan",
      "username": "DouweM",
      "state": "active",
      "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
      "web_url": "https://gitlab.com/DouweM"
    },
    "merged_at": "2018-09-07T11:16:17.520Z",
    "prepared_at": "2018-09-04T11:16:17.520Z",
    "closed_by": null,
    "closed_at": null,
    "created_at": "2017-04-29T08:46:00Z",
    "updated_at": "2017-04-29T08:46:00Z",
    "target_branch": "master",
    "source_branch": "test1",
    "upvotes": 0,
    "downvotes": 0,
    "author": {
      "id": 1,
      "name": "Administrator",
      "username": "admin",
      "state": "active",
      "avatar_url": null,
      "web_url" : "https://gitlab.example.com/admin"
    },
    "assignee": {
      "id": 1,
      "name": "Administrator",
      "username": "admin",
      "state": "active",
      "avatar_url": null,
      "web_url" : "https://gitlab.example.com/admin"
    },
    "assignees": [{
      "name": "Miss Monserrate Beier",
      "username": "axel.block",
      "id": 12,
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
      "web_url": "https://gitlab.example.com/axel.block"
    }],
    "reviewers": [{
      "id": 2,
      "name": "Sam Bauch",
      "username": "kenyatta_oconnell",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/956c92487c6f6f7616b536927e22c9a0?s=80&d=identicon",
      "web_url": "http://gitlab.example.com//kenyatta_oconnell"
    }],
    "source_project_id": 2,
    "target_project_id": 3,
    "labels": [
      "Community contribution",
      "Manage"
    ],
    "draft": false,
    "work_in_progress": false,
    "milestone": {
      "id": 5,
      "iid": 1,
      "project_id": 3,
      "title": "v2.0",
      "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
      "state": "closed",
      "created_at": "2015-02-02T19:49:26.013Z",
      "updated_at": "2015-02-02T19:49:26.013Z",
      "due_date": "2018-09-22",
      "start_date": "2018-08-08",
      "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
    },
    "merge_when_pipeline_succeeds": true,
    "merge_status": "can_be_merged",
    "detailed_merge_status": "not_open",
    "sha": "8888888888888888888888888888888888888888",
    "merge_commit_sha": null,
    "squash_commit_sha": null,
    "user_notes_count": 1,
    "discussion_locked": null,
    "should_remove_source_branch": true,
    "force_remove_source_branch": false,
    "allow_collaboration": false,
    "allow_maintainer_to_push": false,
    "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
    "references": {
      "short": "!1",
      "relative": "!1",
      "full": "my-group/my-project!1"
    },
    "time_stats": {
      "time_estimate": 0,
      "total_time_spent": 0,
      "human_time_estimate": null,
      "human_total_time_spent": null
    },
    "squash": false,
    "task_completion_status":{
      "count":0,
      "completed_count":0
    },
    "has_conflicts": false,
    "blocking_discussions_resolved": true
  }
]

For important notes on response data, read Merge requests list response notes.

List group merge requests

Get all merge requests for this group and its subgroups. The state parameter can be used to get only merge requests with a given state (opened, closed, locked, or merged) or all of them (all). The pagination parameters page and per_page can be used to restrict the list of merge requests.

GET /groups/:id/merge_requests
GET /groups/:id/merge_requests?state=opened
GET /groups/:id/merge_requests?state=all
GET /groups/:id/merge_requests?milestone=release
GET /groups/:id/merge_requests?labels=bug,reproduced
GET /groups/:id/merge_requests?my_reaction_emoji=star

group_id represents the ID of the group which contains the project where the merge request resides.

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the group owned by the authenticated user.
approved_by_ids (PREMIUM)	integer array	{dotted-circle} No	Returns merge requests which have been approved by all the users with the given id, with a maximum of 5. None returns merge requests with no approvals. Any returns merge requests with an approval.
approved_by_usernames (PREMIUM)	string array	{dotted-circle} No	Returns merge requests which have been approved by all the users with the given username, with a maximum of 5. None returns merge requests with no approvals. Any returns merge requests with an approval.
approver_ids (PREMIUM)	integer array	{dotted-circle} No	Returns merge requests which have specified all the users with the given ids as individual approvers. None returns merge requests without approvers. Any returns merge requests with an approver.
approved	string	{dotted-circle} No	Filters merge requests by their approved status. yes returns only approved merge requests. no returns only non-approved merge requests. Introduced in GitLab 15.11. Available only when the feature flag mr_approved_filter is enabled.
assignee_id	integer	{dotted-circle} No	Returns merge requests assigned to the given user id. None returns unassigned merge requests. Any returns merge requests with an assignee.
author_id	integer	{dotted-circle} No	Returns merge requests created by the given user id. Mutually exclusive with author_username.
author_username	string	{dotted-circle} No	Returns merge requests created by the given username. Mutually exclusive with author_id.
created_after	datetime	{dotted-circle} No	Returns merge requests created on or after the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
created_before	datetime	{dotted-circle} No	Returns merge requests created on or before the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
labels	string	{dotted-circle} No	Returns merge requests matching a comma-separated list of labels. None lists all merge requests with no labels. Any lists all merge requests with at least one label. Predefined names are case-insensitive.
milestone	string	{dotted-circle} No	Returns merge requests for a specific milestone. None returns merge requests with no milestone. Any returns merge requests that have an assigned milestone.
my_reaction_emoji	string	{dotted-circle} No	Returns merge requests reacted by the authenticated user by the given emoji. None returns issues not given a reaction. Any returns issues given at least one reaction.
non_archived	boolean	{dotted-circle} No	Returns merge requests from non archived projects only. Default is true.
not	Hash	{dotted-circle} No	Returns merge requests that do not match the parameters supplied. Accepts: labels, milestone, author_id, author_username, assignee_id, assignee_username, reviewer_id, reviewer_username, my_reaction_emoji.
order_by	string	{dotted-circle} No	Returns merge requests ordered by created_at, title or updated_at fields. Default is created_at. Introduced in GitLab 14.8.
reviewer_id	integer	{dotted-circle} No	Returns merge requests which have the user as a reviewer with the given user id. None returns merge requests with no reviewers. Any returns merge requests with any reviewer. Mutually exclusive with reviewer_username.
reviewer_username	string	{dotted-circle} No	Returns merge requests which have the user as a reviewer with the given username. None returns merge requests with no reviewers. Any returns merge requests with any reviewer. Mutually exclusive with reviewer_id. Introduced in GitLab 13.8.
scope	string	{dotted-circle} No	Returns merge requests for the given scope: created_by_me, assigned_to_me or all.
search	string	{dotted-circle} No	Search merge requests against their title and description.
source_branch	string	{dotted-circle} No	Returns merge requests with the given source branch.
sort	string	{dotted-circle} No	Returns merge requests sorted in asc or desc order. Default is desc.
state	string	{dotted-circle} No	Returns all merge requests or just those that are opened, closed, locked, or merged.
target_branch	string	{dotted-circle} No	Returns merge requests with the given target branch.
updated_after	datetime	{dotted-circle} No	Returns merge requests updated on or after the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
updated_before	datetime	{dotted-circle} No	Returns merge requests updated on or before the given time. Expected in ISO 8601 format (2019-03-15T08:00:00Z).
view	string	{dotted-circle} No	If simple, returns the iid, URL, title, description, and basic state of merge request.
with_labels_details	boolean	{dotted-circle} No	If true, response returns more details for each label in labels field: :name, :color, :description, :description_html, :text_color. Default is false.
with_merge_status_recheck	boolean	{dotted-circle} No	If true, this projection requests (but does not guarantee) that the merge_status field be recalculated asynchronously. Default is false. Introduced in GitLab 13.0. In GitLab 15.11 and later, enable the restrict_merge_status_recheck feature flag for this attribute to be ignored when requested by users without at least the Developer role.

[
  {
    "id": 1,
    "iid": 1,
    "project_id": 3,
    "title": "test1",
    "description": "fixed login page css paddings",
    "state": "merged",
    "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
      "id": 87854,
      "name": "Douwe Maan",
      "username": "DouweM",
      "state": "active",
      "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
      "web_url": "https://gitlab.com/DouweM"
    },
    "merge_user": {
      "id": 87854,
      "name": "Douwe Maan",
      "username": "DouweM",
      "state": "active",
      "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
      "web_url": "https://gitlab.com/DouweM"
    },
    "merged_at": "2018-09-07T11:16:17.520Z",
    "prepared_at": "2018-09-04T11:16:17.520Z",
    "closed_by": null,
    "closed_at": null,
    "created_at": "2017-04-29T08:46:00Z",
    "updated_at": "2017-04-29T08:46:00Z",
    "target_branch": "master",
    "source_branch": "test1",
    "upvotes": 0,
    "downvotes": 0,
    "author": {
      "id": 1,
      "name": "Administrator",
      "username": "admin",
      "state": "active",
      "avatar_url": null,
      "web_url" : "https://gitlab.example.com/admin"
    },
    "assignee": {
      "id": 1,
      "name": "Administrator",
      "username": "admin",
      "state": "active",
      "avatar_url": null,
      "web_url" : "https://gitlab.example.com/admin"
    },
    "assignees": [{
      "name": "Miss Monserrate Beier",
      "username": "axel.block",
      "id": 12,
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
      "web_url": "https://gitlab.example.com/axel.block"
    }],
    "reviewers": [{
      "id": 2,
      "name": "Sam Bauch",
      "username": "kenyatta_oconnell",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/956c92487c6f6f7616b536927e22c9a0?s=80&d=identicon",
      "web_url": "http://gitlab.example.com//kenyatta_oconnell"
    }],
    "source_project_id": 2,
    "target_project_id": 3,
    "labels": [
      "Community contribution",
      "Manage"
    ],
    "draft": false,
    "work_in_progress": false,
    "milestone": {
      "id": 5,
      "iid": 1,
      "project_id": 3,
      "title": "v2.0",
      "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
      "state": "closed",
      "created_at": "2015-02-02T19:49:26.013Z",
      "updated_at": "2015-02-02T19:49:26.013Z",
      "due_date": "2018-10-22",
      "start_date": "2018-09-08",
      "web_url": "gitlab.example.com/my-group/my-project/milestones/1"
    },
    "merge_when_pipeline_succeeds": true,
    "merge_status": "can_be_merged",
    "detailed_merge_status": "not_open",
    "sha": "8888888888888888888888888888888888888888",
    "merge_commit_sha": null,
    "squash_commit_sha": null,
    "user_notes_count": 1,
    "discussion_locked": null,
    "should_remove_source_branch": true,
    "force_remove_source_branch": false,
    "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
    "references": {
      "short": "!1",
      "relative": "my-project!1",
      "full": "my-group/my-project!1"
    },
    "time_stats": {
      "time_estimate": 0,
      "total_time_spent": 0,
      "human_time_estimate": null,
      "human_total_time_spent": null
    },
    "squash": false,
    "task_completion_status":{
      "count":0,
      "completed_count":0
    },
    "has_conflicts": false,
    "blocking_discussions_resolved": true
  }
]

For important notes on response data, read Merge requests list response notes.

Get single MR

Shows information about a single merge request.

Note: the changes_count value in the response is a string, not an integer. When an merge request has too many changes to display and store, it is capped at 1,000. In that case, the API returns the string "1000+" for the changes count.

GET /projects/:id/merge_requests/:merge_request_iid

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
include_diverged_commits_count	boolean	{dotted-circle} No	If true, response includes the commits behind the target branch.
include_rebase_in_progress	boolean	{dotted-circle} No	If true, response includes whether a rebase operation is in progress.
render_html	boolean	{dotted-circle} No	If true, response includes rendered HTML for title and description.

Response

Attribute	Type	Description
approvals_before_merge	integer	(PREMIUM) Number of approvals required before this merge request can merge. To configure approval rules, see Merge request approvals API. Deprecated in GitLab 16.0.
assignee	object	First assignee of the merge request.
assignees	array	Assignees of the merge request.
author	object	User who created this merge request.
blocking_discussions_resolved	boolean	Indicates if all discussions are resolved only if all are required before merge request can be merged.
changes_count	string	Number of changes made on the merge request. Empty when the merge request is created, and populates asynchronously. See Empty API Fields for new merge requests.
closed_at	datetime	Timestamp of when the merge request was closed.
closed_by	object	User who closed this merge request.
created_at	datetime	Timestamp of when the merge request was created.
description	string	Description of the merge request. Contains Markdown rendered as HTML for caching.
detailed_merge_status	string	Detailed merge status of the merge request. Read merge status for a list of potential values.
diff_refs	object	References of the base SHA, the head SHA, and the start SHA for this merge request. Corresponds to the latest diff version of the merge request. Empty when the merge request is created, and populates asynchronously. See Empty API fields for new merge requests.
discussion_locked	boolean	Indicates if comments on the merge request are locked to members only.
downvotes	integer	Number of downvotes for the merge request.
draft	boolean	Indicates if the merge request is a draft.
first_contribution	boolean	Indicates if the merge request is the first contribution of the author.
first_deployed_to_production_at	datetime	Timestamp of when the first deployment finished.
force_remove_source_branch	boolean	Indicates if the project settings will lead to source branch deletion after merge.
has_conflicts	boolean	Indicates if merge request has conflicts and cannot be merged. Dependent on the merge_status property. Returns false unless merge_status is cannot_be_merged.
head_pipeline	object	Pipeline running on the branch HEAD of the merge request. Contains more complete information than pipeline and should be used instead of it.
id	integer	ID of the merge request.
iid	integer	Internal ID of the merge request.
labels	array	Labels of the merge request.
latest_build_finished_at	datetime	Timestamp of when the latest build for the merge request finished.
latest_build_started_at	datetime	Timestamp of when the latest build for the merge request started.
merge_commit_sha	string	SHA of the merge request commit. Returns null until merged.
merge_error	string	Error message shown when a merge has failed. To check mergeability, use detailed_merge_status instead
merge_user	object	The user who merged this merge request, the user who set it to auto-merge, or null. Introduced in GitLab 14.7.
merge_status	string	Status of the merge request. Can be unchecked, checking, can_be_merged, cannot_be_merged, or cannot_be_merged_recheck. Affects the has_conflicts property. For important notes on response data, read Single merge request response notes. Deprecated in GitLab 15.6. Use detailed_merge_status instead.
merge_when_pipeline_succeeds	boolean	Indicates if the merge has been set to be merged when its pipeline succeeds.
merged_at	datetime	Timestamp of when the merge request was merged.
merged_by	object	User who merged this merge request or set it to auto-merge. Deprecated in GitLab 14.7, and scheduled for removal in API version 5. Use merge_user instead.
milestone	object	Milestone of the merge request.
pipeline	object	Pipeline running on the branch HEAD of the merge request. Consider using head_pipeline instead, as it contains more information.
prepared_at	datetime	Timestamp of when the merge request was prepared. This field is populated one time, only after all the preparation steps are completed, and is not updated if more changes are added.
project_id	integer	ID of the merge request project.
reference	string	Internal reference of the merge request. Returned in shortened format by default. Deprecated in GitLab 12.7, and scheduled for removal in API version 5. Use references instead.
references	object	Internal references of the merge request. Includes short, relative, and full references. references.relative is relative to the merge request's group or project. When fetched from the merge request's project, relative and short formats are identical. When requested across groups or projects, relative and full formats are identical.
reviewers	array	Reviewers of the merge request.
sha	string	Diff head SHA of the merge request.
should_remove_source_branch	boolean	Indicates if the source branch of the merge request will be deleted after merge.
source_branch	string	Source branch of the merge request.
source_project_id	integer	ID of the merge request source project.
squash	boolean	Indicates if squash on merge is enabled.
squash_commit_sha	string	SHA of the squash commit. Empty until merged.
state	string	State of the merge request. Can be opened, closed, merged or locked.
subscribed	boolean	Indicates if the currently authenticated user is subscribed to this merge request.
target_branch	string	Target branch of the merge request.
target_project_id	integer	ID of the merge request target project.
task_completion_status	object	Completion status of tasks.
title	string	Title of the merge request.
updated_at	datetime	Timestamp of when the merge request was updated.
upvotes	integer	Number of upvotes for the merge request.
user	object	Permissions of the user requested for the merge request.
user_notes_count	integer	User notes count of the merge request.
web_url	string	Web URL of the merge request.
work_in_progress	boolean	Deprecated: Use draft instead. Indicates if the merge request is a draft.

{
  "id": 155016530,
  "iid": 133,
  "project_id": 15513260,
  "title": "Manual job rules",
  "description": "",
  "state": "opened",
  "created_at": "2022-05-13T07:26:38.402Z",
  "updated_at": "2022-05-14T03:38:31.354Z",
  "merged_by": null, // Deprecated and will be removed in API v5. Use `merge_user` instead.
  "merge_user": null,
  "merged_at": null,
  "prepared_at": "2018-09-04T11:16:17.520Z",
  "closed_by": null,
  "closed_at": null,
  "target_branch": "master",
  "source_branch": "manual-job-rules",
  "user_notes_count": 0,
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 4155490,
    "username": "marcel.amirault",
    "name": "Marcel Amirault",
    "state": "active",
    "avatar_url": "https://gitlab.com/uploads/-/system/user/avatar/4155490/avatar.png",
    "web_url": "https://gitlab.com/marcel.amirault"
  },
  "assignees": [],
  "assignee": null,
  "reviewers": [],
  "source_project_id": 15513260,
  "target_project_id": 15513260,
  "labels": [],
  "draft": false,
  "work_in_progress": false,
  "milestone": null,
  "merge_when_pipeline_succeeds": false,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "can_be_merged",
  "sha": "e82eb4a098e32c796079ca3915e07487fc4db24c",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "discussion_locked": null,
  "should_remove_source_branch": null,
  "force_remove_source_branch": true,
  "reference": "!133", // Deprecated. Use `references` instead.
  "references": {
    "short": "!133",
    "relative": "!133",
    "full": "marcel.amirault/test-project!133"
  },
  "web_url": "https://gitlab.com/marcel.amirault/test-project/-/merge_requests/133",
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "squash": false,
  "task_completion_status": {
    "count": 0,
    "completed_count": 0
  },
  "has_conflicts": false,
  "blocking_discussions_resolved": true,
  "approvals_before_merge": null, // deprecated, use [Merge request approvals API](merge_request_approvals.md)
  "subscribed": true,
  "changes_count": "1",
  "latest_build_started_at": "2022-05-13T09:46:50.032Z",
  "latest_build_finished_at": null,
  "first_deployed_to_production_at": null,
  "pipeline": { // Use `head_pipeline` instead.
    "id": 538317940,
    "iid": 1877,
    "project_id": 15513260,
    "sha": "1604b0c46c395822e4e9478777f8e54ac99fe5b9",
    "ref": "refs/merge-requests/133/merge",
    "status": "failed",
    "source": "merge_request_event",
    "created_at": "2022-05-13T09:46:39.560Z",
    "updated_at": "2022-05-13T09:47:20.706Z",
    "web_url": "https://gitlab.com/marcel.amirault/test-project/-/pipelines/538317940"
  },
  "head_pipeline": {
    "id": 538317940,
    "iid": 1877,
    "project_id": 15513260,
    "sha": "1604b0c46c395822e4e9478777f8e54ac99fe5b9",
    "ref": "refs/merge-requests/133/merge",
    "status": "failed",
    "source": "merge_request_event",
    "created_at": "2022-05-13T09:46:39.560Z",
    "updated_at": "2022-05-13T09:47:20.706Z",
    "web_url": "https://gitlab.com/marcel.amirault/test-project/-/pipelines/538317940",
    "before_sha": "1604b0c46c395822e4e9478777f8e54ac99fe5b9",
    "tag": false,
    "yaml_errors": null,
    "user": {
      "id": 4155490,
      "username": "marcel.amirault",
      "name": "Marcel Amirault",
      "state": "active",
      "avatar_url": "https://gitlab.com/uploads/-/system/user/avatar/4155490/avatar.png",
      "web_url": "https://gitlab.com/marcel.amirault"
    },
    "started_at": "2022-05-13T09:46:50.032Z",
    "finished_at": "2022-05-13T09:47:20.697Z",
    "committed_at": null,
    "duration": 30,
    "queued_duration": 10,
    "coverage": null,
    "detailed_status": {
      "icon": "status_failed",
      "text": "failed",
      "label": "failed",
      "group": "failed",
      "tooltip": "failed",
      "has_details": true,
      "details_path": "/marcel.amirault/test-project/-/pipelines/538317940",
      "illustration": null,
      "favicon": "/assets/ci_favicons/favicon_status_failed-41304d7f7e3828808b0c26771f0309e55296819a9beea3ea9fbf6689d9857c12.png"
    }
  },
  "diff_refs": {
    "base_sha": "1162f719d711319a2efb2a35566f3bfdadee8bab",
    "head_sha": "e82eb4a098e32c796079ca3915e07487fc4db24c",
    "start_sha": "1162f719d711319a2efb2a35566f3bfdadee8bab"
  },
  "merge_error": null,
  "first_contribution": false,
  "user": {
    "can_merge": true
  },
  "approvals_before_merge": { // Available for GitLab Premium and Ultimate tiers only
    "id": 1,
    "title": "test1",
    "approvals_before_merge": null
  },
}

Single merge request response notes

• Introduced in GitLab 12.8, the mergeability (merge_status) of each merge request is checked asynchronously when a request is made to this endpoint. Poll this API endpoint to get updated status. This affects the has_conflicts property as it is dependent on the merge_status. It returns false unless merge_status is cannot_be_merged.

Merge status

• The merge_status field was deprecated in GitLab 15.6.
• The detailed_merge_status field was introduced in GitLab 15.6.

Use detailed_merge_status instead of merge_status to account for all potential statuses.

• The detailed_merge_status field can contain one of the following values related to the merge request:
  • blocked_status: Blocked by another merge request.
  • broken_status: Can't merge into the target branch due to a potential conflict.
  • checking: Git is testing if a valid merge is possible.
  • unchecked: Git has not yet tested if a valid merge is possible.
  • ci_must_pass: A CI/CD pipeline must succeed before merge.
  • ci_still_running: A CI/CD pipeline is still running.
  • discussions_not_resolved: All discussions must be resolved before merge.
  • draft_status: Can't merge because the merge request is a draft.
  • external_status_checks: All status checks must pass before merge.
  • mergeable: The branch can merge cleanly into the target branch.
  • not_approved: Approval is required before merge.
  • not_open: The merge request must be open before merge.
  • policies_denied: The merge request contains denied policies.

Preparation steps

The prepared_at field is populated one time, only after all of the preparation steps are completed. It is not updated if more changes are added to the merge request:

• The diff is created.
• Web hooks are executed.
• Pipelines are created.
• Mergeability is checked.
• Git LFS objects are linked.
• Notifications are sent.

Get single merge request participants

Get a list of merge request participants.

GET /projects/:id/merge_requests/:merge_request_iid/participants

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

[
  {
    "id": 1,
    "name": "John Doe1",
    "username": "user1",
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/c922747a93b40d1ea88262bf1aebee62?s=80&d=identicon",
    "web_url": "http://localhost/user1"
  },
  {
    "id": 2,
    "name": "John Doe2",
    "username": "user2",
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/10fc7f102be8de7657fb4d80898bbfe3?s=80&d=identicon",
    "web_url": "http://localhost/user2"
  }
]

Get single merge request reviewers

Get a list of merge request reviewers.

GET /projects/:id/merge_requests/:merge_request_iid/reviewers

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

[
  {
    "user": {
      "id": 1,
      "name": "John Doe1",
      "username": "user1",
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/c922747a93b40d1ea88262bf1aebee62?s=80&d=identicon",
      "web_url": "http://localhost/user1"
    },
    "state": "unreviewed",
    "created_at": "2022-07-27T17:03:27.684Z"
  },
  {
    "user": {
      "id": 2,
      "name": "John Doe2",
      "username": "user2",
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/10fc7f102be8de7657fb4d80898bbfe3?s=80&d=identicon",
      "web_url": "http://localhost/user2"
    },
    "state": "reviewed",
    "created_at": "2022-07-27T17:03:27.684Z"
  }
]

Get single merge request commits

Get a list of merge request commits.

GET /projects/:id/merge_requests/:merge_request_iid/commits

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

[
  {
    "id": "ed899a2f4b50b4370feeea94676502b42383c746",
    "short_id": "ed899a2f4b5",
    "title": "Replace sanitize with escape once",
    "author_name": "Example User",
    "author_email": "[email protected]",
    "created_at": "2012-09-20T11:50:22+03:00",
    "message": "Replace sanitize with escape once"
  },
  {
    "id": "6104942438c14ec7bd21c6cd5bd995272b3faff6",
    "short_id": "6104942438c",
    "title": "Sanitize for network graph",
    "author_name": "Example User",
    "author_email": "[email protected]",
    "created_at": "2012-09-20T09:06:12+03:00",
    "message": "Sanitize for network graph"
  }
]

Get single merge request changes

WARNING: This endpoint was deprecated in GitLab 15.7 and will be removed in API v5. Use the List merge request diffs endpoint instead.

Shows information about the merge request including its files and changes.

Introduced in GitLab 13.6, diffs associated with the set of changes have the same size limitations applied as other diffs returned by the API or viewed via the UI. When these limits impact the results, the overflow field contains a value of true. Diff data without these limits applied can be retrieved by adding the access_raw_diffs parameter, accessing diffs not from the database but from Gitaly directly. This approach is generally slower and more resource-intensive, but isn't subject to size limits placed on database-backed diffs. Limits inherent to Gitaly still apply.

GET /projects/:id/merge_requests/:merge_request_iid/changes

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
access_raw_diffs	boolean	{dotted-circle} No	Retrieve change diffs via Gitaly.

{
  "id": 21,
  "iid": 1,
  "project_id": 4,
  "title": "Blanditiis beatae suscipit hic assumenda et molestias nisi asperiores repellat et.",
  "state": "reopened",
  "created_at": "2015-02-02T19:49:39.159Z",
  "updated_at": "2015-02-02T20:08:49.959Z",
  "target_branch": "secret_token",
  "source_branch": "version-1-9",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "name": "Chad Hamill",
    "username": "jarrett",
    "id": 5,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/b95567800f828948baf5f4160ebb2473?s=40&d=identicon",
    "web_url" : "https://gitlab.example.com/jarrett"
  },
  "assignee": {
    "name": "Administrator",
    "username": "root",
    "id": 1,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40&d=identicon",
    "web_url" : "https://gitlab.example.com/root"
  },
  "assignees": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "reviewers": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "source_project_id": 4,
  "target_project_id": 4,
  "labels": [ ],
  "description": "Qui voluptatibus placeat ipsa alias quasi. Deleniti rem ut sint. Optio velit qui distinctio.",
  "draft": false,
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 4,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": null
  },
  "merge_when_pipeline_succeeds": true,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "can_be_merged",
  "subscribed" : true,
  "sha": "8888888888888888888888888888888888888888",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "user_notes_count": 1,
  "changes_count": "1",
  "should_remove_source_branch": true,
  "force_remove_source_branch": false,
  "squash": false,
  "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
  "references": {
    "short": "!1",
    "relative": "!1",
    "full": "my-group/my-project!1"
  },
  "discussion_locked": false,
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "task_completion_status":{
    "count":0,
    "completed_count":0
  },
  "changes": [
    {
    "old_path": "VERSION",
    "new_path": "VERSION",
    "a_mode": "100644",
    "b_mode": "100644",
    "diff": "--- a/VERSION\ +++ b/VERSION\ @@ -1 +1 @@\ -1.9.7\ +1.9.8",
    "new_file": false,
    "renamed_file": false,
    "deleted_file": false
    }
  ],
  "overflow": false
}

List merge request diffs

List diffs of the files changed in a merge request.

GET /projects/:id/merge_requests/:merge_request_iid/diffs

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
page	integer	{dotted-circle} no	The page of results to return. Defaults to 1.
per_page	integer	{dotted-circle} no	The number of results per page. Defaults to 20.

If successful, returns 200 OK and the following response attributes:

Attribute	Type	Description
old_path	string	Old path of the file.
new_path	string	New path of the file.
a_mode	string	Old file mode of the file.
b_mode	string	New file mode of the file.
diff	string	Diff representation of the changes made to the file.
new_file	boolean	Indicates if the file has just been added.
renamed_file	boolean	Indicates if the file has been renamed.
deleted_file	boolean	Indicates if the file has been removed.

Example request:

curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/merge_requests/1/diffs?page=1&per_page=2"

Example response:

[
  {
    "old_path": "README",
    "new_path": "README",
    "a_mode": "100644",
    "b_mode": "100644",
    "diff": "--- a/README\ +++ b/README\ @@ -1 +1 @@\ -Title\ +README",
    "new_file": false,
    "renamed_file": false,
    "deleted_file": false
  },
  {
    "old_path": "VERSION",
    "new_path": "VERSION",
    "a_mode": "100644",
    "b_mode": "100644",
    "diff": "--- a/VERSION\ +++ b/VERSION\ @@ -1 +1 @@\ -1.9.7\ +1.9.8",
    "new_file": false,
    "renamed_file": false,
    "deleted_file": false
  }
]

List merge request pipelines

Get a list of merge request pipelines. The pagination parameters page and per_page can be used to restrict the list of merge request pipelines.

GET /projects/:id/merge_requests/:merge_request_iid/pipelines

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

[
  {
    "id": 77,
    "sha": "959e04d7c7a30600c894bd3c0cd0e1ce7f42c11d",
    "ref": "master",
    "status": "success"
  }
]

Create merge request pipeline

Create a new pipeline for a merge request. A pipeline created via this endpoint doesn't run a regular branch/tag pipeline. It requires .gitlab-ci.yml to be configured with only: [merge_requests] to create jobs.

The new pipeline can be:

• A detached merge request pipeline.
• A merged results pipeline if the project setting is enabled.

POST /projects/:id/merge_requests/:merge_request_iid/pipelines

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

{
  "id": 2,
  "sha": "b83d6e391c22777fca1ed3012fce84f633d7fed0",
  "ref": "refs/merge-requests/1/head",
  "status": "pending",
  "web_url": "http://localhost/user1/project1/pipelines/2",
  "before_sha": "0000000000000000000000000000000000000000",
  "tag": false,
  "yaml_errors": null,
  "user": {
    "id": 1,
    "name": "John Doe1",
    "username": "user1",
    "state": "active",
    "avatar_url": "https://www.gravatar.com/avatar/c922747a93b40d1ea88262bf1aebee62?s=80&d=identicon",
    "web_url": "http://example.com"
  },
  "created_at": "2019-09-04T19:20:18.267Z",
  "updated_at": "2019-09-04T19:20:18.459Z",
  "started_at": null,
  "finished_at": null,
  "committed_at": null,
  "duration": null,
  "coverage": null,
  "detailed_status": {
    "icon": "status_pending",
    "text": "pending",
    "label": "pending",
    "group": "pending",
    "tooltip": "pending",
    "has_details": false,
    "details_path": "/user1/project1/pipelines/2",
    "illustration": null,
    "favicon": "/assets/ci_favicons/favicon_status_pending-5bdf338420e5221ca24353b6bff1c9367189588750632e9a871b7af09ff6a2ae.png"
  }
}

Create MR

Creates a new merge request.

POST /projects/:id/merge_requests

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user
source_branch	string	{check-circle} Yes	The source branch.
target_branch	string	{check-circle} Yes	The target branch.
title	string	{check-circle} Yes	Title of MR.
allow_collaboration	boolean	{dotted-circle} No	Allow commits from members who can merge to the target branch.
approvals_before_merge (PREMIUM)	integer	{dotted-circle} No	Number of approvals required before this can be merged (see below). To configure approval rules, see Merge request approvals API. Deprecated in GitLab 16.0.
allow_maintainer_to_push	boolean	{dotted-circle} No	Alias of allow_collaboration.
assignee_id	integer	{dotted-circle} No	Assignee user ID.
assignee_ids	integer array	{dotted-circle} No	The ID of the users to assign the merge request to. Set to 0 or provide an empty value to unassign all assignees.
description	string	{dotted-circle} No	Description of the merge request. Limited to 1,048,576 characters.
labels	string	{dotted-circle} No	Labels for the merge request, as a comma-separated list.
milestone_id	integer	{dotted-circle} No	The global ID of a milestone.
remove_source_branch	boolean	{dotted-circle} No	Flag indicating if a merge request should remove the source branch when merging.
reviewer_ids	integer array	{dotted-circle} No	The ID of the users added as a reviewer to the merge request. If set to 0 or left empty, no reviewers are added. Introduced in GitLab 13.8.
squash	boolean	no	Indicates if the merge request is set to be squashed when merged. Project settings may override this value. Use squash_on_merge instead to take project squash options into account.
squash_on_merge	boolean	no	Indicates if the merge request will be squashed when merged.
target_project_id	integer	{dotted-circle} No	Numeric ID of the target project.

{
  "id": 1,
  "iid": 1,
  "project_id": 3,
  "title": "test1",
  "description": "fixed login page css paddings",
  "state": "merged",
  "created_at": "2017-04-29T08:46:00Z",
  "updated_at": "2017-04-29T08:46:00Z",
  "target_branch": "master",
  "source_branch": "test1",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignee": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "source_project_id": 2,
  "target_project_id": 3,
  "labels": [
    "Community contribution",
    "Manage"
  ],
  "draft": false,
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 3,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": "2018-09-22",
    "start_date": "2018-08-08",
    "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
  },
  "merge_when_pipeline_succeeds": true,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "not_open",
  "merge_error": null,
  "sha": "8888888888888888888888888888888888888888",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "user_notes_count": 1,
  "discussion_locked": null,
  "should_remove_source_branch": true,
  "force_remove_source_branch": false,
  "allow_collaboration": false,
  "allow_maintainer_to_push": false,
  "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
  "references": {
    "short": "!1",
    "relative": "!1",
    "full": "my-group/my-project!1"
  },
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "squash": false,
  "subscribed": false,
  "changes_count": "1",
  "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merge_user": {
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merged_at": "2018-09-07T11:16:17.520Z",
  "prepared_at": "2018-09-04T11:16:17.520Z",
  "closed_by": null,
  "closed_at": null,
  "latest_build_started_at": "2018-09-07T07:27:38.472Z",
  "latest_build_finished_at": "2018-09-07T08:07:06.012Z",
  "first_deployed_to_production_at": null,
  "pipeline": {
    "id": 29626725,
    "sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "ref": "patch-28",
    "status": "success",
    "web_url": "https://gitlab.example.com/my-group/my-project/pipelines/29626725"
  },
  "diff_refs": {
    "base_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00",
    "head_sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "start_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00"
  },
  "diverged_commits_count": 2,
  "task_completion_status":{
    "count":0,
    "completed_count":0
  }
}

For important notes on response data, read Single merge request response notes.

Update MR

Updates an existing merge request. You can change the target branch, title, or even close the MR.

PUT /projects/:id/merge_requests/:merge_request_iid

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The ID of a merge request.
add_labels	string	{dotted-circle} No	Comma-separated label names to add to a merge request.
allow_collaboration	boolean	{dotted-circle} No	Allow commits from members who can merge to the target branch.
allow_maintainer_to_push	boolean	{dotted-circle} No	Alias of allow_collaboration.
assignee_id	integer	{dotted-circle} No	The ID of the user to assign the merge request to. Set to 0 or provide an empty value to unassign all assignees.
assignee_ids	integer array	{dotted-circle} No	The ID of the users to assign the merge request to. Set to 0 or provide an empty value to unassign all assignees.
description	string	{dotted-circle} No	Description of the merge request. Limited to 1,048,576 characters.
discussion_locked	boolean	{dotted-circle} No	Flag indicating if the merge request's discussion is locked. If the discussion is locked only project members can add, edit or resolve comments.
labels	string	{dotted-circle} No	Comma-separated label names for a merge request. Set to an empty string to unassign all labels.
milestone_id	integer	{dotted-circle} No	The global ID of a milestone to assign the merge request to. Set to 0 or provide an empty value to unassign a milestone.
remove_labels	string	{dotted-circle} No	Comma-separated label names to remove from a merge request.
remove_source_branch	boolean	{dotted-circle} No	Flag indicating if a merge request should remove the source branch when merging.
reviewer_ids	integer array	{dotted-circle} No	The ID of the users set as a reviewer to the merge request. Set the value to 0 or provide an empty value to unset all reviewers. Introduced in GitLab 13.8.
squash	boolean	no	Indicates if the merge request is set to be squashed when merged. Project settings may override this value. Use squash_on_merge instead to take project squash options into account.
squash_on_merge	boolean	no	Indicates if the merge request will be squashed when merged.
state_event	string	{dotted-circle} No	New state (close/reopen).
target_branch	string	{dotted-circle} No	The target branch.
title	string	{dotted-circle} No	Title of MR.

Must include at least one non-required attribute from above.

{
  "id": 1,
  "iid": 1,
  "project_id": 3,
  "title": "test1",
  "description": "fixed login page css paddings",
  "state": "merged",
  "created_at": "2017-04-29T08:46:00Z",
  "updated_at": "2017-04-29T08:46:00Z",
  "target_branch": "master",
  "source_branch": "test1",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignee": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignees": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "reviewers": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "source_project_id": 2,
  "target_project_id": 3,
  "labels": [
    "Community contribution",
    "Manage"
  ],
  "draft": false,
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 3,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": "2018-09-22",
    "start_date": "2018-08-08",
    "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
  },
  "merge_when_pipeline_succeeds": true,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "not_open",
  "merge_error": null,
  "sha": "8888888888888888888888888888888888888888",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "user_notes_count": 1,
  "discussion_locked": null,
  "should_remove_source_branch": true,
  "force_remove_source_branch": false,
  "allow_collaboration": false,
  "allow_maintainer_to_push": false,
  "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
  "references": {
    "short": "!1",
    "relative": "!1",
    "full": "my-group/my-project!1"
  },
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "squash": false,
  "subscribed": false,
  "changes_count": "1",
  "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merge_user": {
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merged_at": "2018-09-07T11:16:17.520Z",
  "prepared_at": "2018-09-04T11:16:17.520Z",
  "closed_by": null,
  "closed_at": null,
  "latest_build_started_at": "2018-09-07T07:27:38.472Z",
  "latest_build_finished_at": "2018-09-07T08:07:06.012Z",
  "first_deployed_to_production_at": null,
  "pipeline": {
    "id": 29626725,
    "sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "ref": "patch-28",
    "status": "success",
    "web_url": "https://gitlab.example.com/my-group/my-project/pipelines/29626725"
  },
  "diff_refs": {
    "base_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00",
    "head_sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "start_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00"
  },
  "diverged_commits_count": 2,
  "task_completion_status":{
    "count":0,
    "completed_count":0
  }
}

For important notes on response data, read Single merge request response notes.

Delete a merge request

Only for administrators and project owners. Deletes the merge request in question.

DELETE /projects/:id/merge_requests/:merge_request_iid

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

curl --request DELETE --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/4/merge_requests/85"

Merge a merge request

Accept and merge changes submitted with merge request using this API.

PUT /projects/:id/merge_requests/:merge_request_iid/merge

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
merge_commit_message	string	{dotted-circle} No	Custom merge commit message.
merge_when_pipeline_succeeds	boolean	{dotted-circle} No	If true, the merge request is merged when the pipeline succeeds.
sha	string	{dotted-circle} No	If present, then this SHA must match the HEAD of the source branch, otherwise the merge fails.
should_remove_source_branch	boolean	{dotted-circle} No	If true, removes the source branch.
squash_commit_message	string	{dotted-circle} No	Custom squash commit message.
squash	boolean	{dotted-circle} No	If true, the commits are squashed into a single commit on merge.

{
  "id": 1,
  "iid": 1,
  "project_id": 3,
  "title": "test1",
  "description": "fixed login page css paddings",
  "state": "merged",
  "created_at": "2017-04-29T08:46:00Z",
  "updated_at": "2017-04-29T08:46:00Z",
  "target_branch": "master",
  "source_branch": "test1",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignee": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignees": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "reviewers": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "source_project_id": 2,
  "target_project_id": 3,
  "labels": [
    "Community contribution",
    "Manage"
  ],
  "draft": false,
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 3,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": "2018-09-22",
    "start_date": "2018-08-08",
    "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
  },
  "merge_when_pipeline_succeeds": true,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "not_open",
  "merge_error": null,
  "sha": "8888888888888888888888888888888888888888",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "user_notes_count": 1,
  "discussion_locked": null,
  "should_remove_source_branch": true,
  "force_remove_source_branch": false,
  "allow_collaboration": false,
  "allow_maintainer_to_push": false,
  "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
  "references": {
    "short": "!1",
    "relative": "!1",
    "full": "my-group/my-project!1"
  },
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "squash": false,
  "subscribed": false,
  "changes_count": "1",
  "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merge_user": {
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merged_at": "2018-09-07T11:16:17.520Z",
  "prepared_at": "2018-09-04T11:16:17.520Z",
  "closed_by": null,
  "closed_at": null,
  "latest_build_started_at": "2018-09-07T07:27:38.472Z",
  "latest_build_finished_at": "2018-09-07T08:07:06.012Z",
  "first_deployed_to_production_at": null,
  "pipeline": {
    "id": 29626725,
    "sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "ref": "patch-28",
    "status": "success",
    "web_url": "https://gitlab.example.com/my-group/my-project/pipelines/29626725"
  },
  "diff_refs": {
    "base_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00",
    "head_sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "start_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00"
  },
  "diverged_commits_count": 2,
  "task_completion_status":{
    "count":0,
    "completed_count":0
  }
}

This API returns specific HTTP status codes on failure:

HTTP Status	Message	Reason
401	Unauthorized	This user does not have permission to accept this merge request.
405	Method Not Allowed	The merge request is not able to be merged.
409	SHA does not match HEAD of source branch	The provided sha parameter does not match the HEAD of the source.
422	Branch cannot be merged	The merge request failed to merge.

For additional important notes on response data, read Single merge request response notes.

Merge to default merge ref path

Merge the changes between the merge request source and target branches into refs/merge-requests/:iid/merge ref, of the target project repository, if possible. This ref has the state the target branch would have if a regular merge action was taken.

This action isn't a regular merge action, because it doesn't change the merge request target branch state in any manner.

This ref (refs/merge-requests/:iid/merge) isn't necessarily overwritten when submitting requests to this API, though it makes sure the ref has the latest possible state.

If the merge request has conflicts, is empty or already merged, you receive a 400 and a descriptive error message.

It returns the HEAD commit of refs/merge-requests/:iid/merge in the response body in case of 200.

GET /projects/:id/merge_requests/:merge_request_iid/merge_ref

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

{
  "commit_id": "854a3a7a17acbcc0bbbea170986df1eb60435f34"
}

Cancel Merge When Pipeline Succeeds

This API returns specific HTTP status codes on failure:

HTTP Status	Message	Reason
401	Unauthorized	This user does not have permission to cancel this merge request.
405	Method Not Allowed	The merge request is already merged or closed.
406	Not Acceptable	The merge request is not set to be merged when the pipeline succeeds.

POST /projects/:id/merge_requests/:merge_request_iid/cancel_merge_when_pipeline_succeeds

Supported attributes:

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

{
  "id": 1,
  "iid": 1,
  "project_id": 3,
  "title": "test1",
  "description": "fixed login page css paddings",
  "state": "merged",
  "created_at": "2017-04-29T08:46:00Z",
  "updated_at": "2017-04-29T08:46:00Z",
  "target_branch": "master",
  "source_branch": "test1",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignee": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignees": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "reviewers": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "source_project_id": 2,
  "target_project_id": 3,
  "labels": [
    "Community contribution",
    "Manage"
  ],
  "draft": false,
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 3,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": "2018-09-22",
    "start_date": "2018-08-08",
    "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
  },
  "merge_when_pipeline_succeeds": false,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "not_open",
  "merge_error": null,
  "sha": "8888888888888888888888888888888888888888",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "user_notes_count": 1,
  "discussion_locked": null,
  "should_remove_source_branch": true,
  "force_remove_source_branch": false,
  "allow_collaboration": false,
  "allow_maintainer_to_push": false,
  "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
  "references": {
    "short": "!1",
    "relative": "!1",
    "full": "my-group/my-project!1"
  },
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "squash": false,
  "subscribed": false,
  "changes_count": "1",
  "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merge_user": {
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merged_at": "2018-09-07T11:16:17.520Z",
  "prepared_at": "2018-09-04T11:16:17.520Z",
  "closed_by": null,
  "closed_at": null,
  "latest_build_started_at": "2018-09-07T07:27:38.472Z",
  "latest_build_finished_at": "2018-09-07T08:07:06.012Z",
  "first_deployed_to_production_at": null,
  "pipeline": {
    "id": 29626725,
    "sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "ref": "patch-28",
    "status": "success",
    "web_url": "https://gitlab.example.com/my-group/my-project/pipelines/29626725"
  },
  "diff_refs": {
    "base_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00",
    "head_sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "start_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00"
  },
  "diverged_commits_count": 2,
  "task_completion_status":{
    "count":0,
    "completed_count":0
  }
}

For important notes on response data, read Single merge request response notes.

Rebase a merge request

Automatically rebase the source_branch of the merge request against its target_branch.

If you don't have permissions to push to the merge request's source branch - you receive a 403 Forbidden response.

PUT /projects/:id/merge_requests/:merge_request_iid/rebase

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
skip_ci	boolean	{dotted-circle} No	Set to true to skip creating a CI pipeline.

curl --request PUT --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/76/merge_requests/1/rebase"

This request is asynchronous. The API returns a HTTP 202 Accepted response if the request is enqueued successfully, with a response containing:

{
  "rebase_in_progress": true
}

You can poll the Get single MR endpoint with the include_rebase_in_progress parameter to check the status of the asynchronous request.

If the rebase operation is ongoing, the response includes the following:

{
  "rebase_in_progress": true,
  "merge_error": null
}

After the rebase operation has completed successfully, the response includes the following:

{
  "rebase_in_progress": false,
  "merge_error": null
}

If the rebase operation fails, the response includes the following:

{
  "rebase_in_progress": false,
  "merge_error": "Rebase failed. Please rebase locally"
}

Comments on merge requests

Comments are done via the notes resource.

List issues that close on merge

Get all the issues that would be closed by merging the provided merge request.

GET /projects/:id/merge_requests/:merge_request_iid/closes_issues

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/76/merge_requests/1/closes_issues"

Example response when the GitLab issue tracker is used:

[
   {
      "state" : "opened",
      "description" : "Ratione dolores corrupti mollitia soluta quia.",
      "author" : {
         "state" : "active",
         "id" : 18,
         "web_url" : "https://gitlab.example.com/eileen.lowe",
         "name" : "Alexandra Bashirian",
         "avatar_url" : null,
         "username" : "eileen.lowe"
      },
      "milestone" : {
         "project_id" : 1,
         "description" : "Ducimus nam enim ex consequatur cumque ratione.",
         "state" : "closed",
         "due_date" : null,
         "iid" : 2,
         "created_at" : "2016-01-04T15:31:39.996Z",
         "title" : "v4.0",
         "id" : 17,
         "updated_at" : "2016-01-04T15:31:39.996Z"
      },
      "project_id" : 1,
      "assignee" : {
         "state" : "active",
         "id" : 1,
         "name" : "Administrator",
         "web_url" : "https://gitlab.example.com/root",
         "avatar_url" : null,
         "username" : "root"
      },
      "updated_at" : "2016-01-04T15:31:51.081Z",
      "id" : 76,
      "title" : "Consequatur vero maxime deserunt laboriosam est voluptas dolorem.",
      "created_at" : "2016-01-04T15:31:51.081Z",
      "iid" : 6,
      "labels" : [],
      "user_notes_count": 1,
      "changes_count": "1"
   }
]

Example response when an external issue tracker (for example, Jira) is used:

[
   {
       "id" : "PROJECT-123",
       "title" : "Title of this issue"
   }
]

Subscribe to a merge request

Subscribes the authenticated user to a merge request to receive notification. If the user is already subscribed to the merge request, the status code HTTP 304 Not Modified is returned.

POST /projects/:id/merge_requests/:merge_request_iid/subscribe

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/17/subscribe"

Example response:

{
  "id": 1,
  "iid": 1,
  "project_id": 3,
  "title": "test1",
  "description": "fixed login page css paddings",
  "state": "merged",
  "created_at": "2017-04-29T08:46:00Z",
  "updated_at": "2017-04-29T08:46:00Z",
  "target_branch": "master",
  "source_branch": "test1",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignee": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignees": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "reviewers": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "source_project_id": 2,
  "target_project_id": 3,
  "labels": [
    "Community contribution",
    "Manage"
  ],
  "draft": false,
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 3,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": "2018-09-22",
    "start_date": "2018-08-08",
    "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
  },
  "merge_when_pipeline_succeeds": true,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "not_open",
  "sha": "8888888888888888888888888888888888888888",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "user_notes_count": 1,
  "discussion_locked": null,
  "should_remove_source_branch": true,
  "force_remove_source_branch": false,
  "allow_collaboration": false,
  "allow_maintainer_to_push": false,
  "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
  "references": {
    "short": "!1",
    "relative": "!1",
    "full": "my-group/my-project!1"
  },
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "squash": false,
  "subscribed": false,
  "changes_count": "1",
  "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merge_user": {
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merged_at": "2018-09-07T11:16:17.520Z",
  "prepared_at": "2018-09-04T11:16:17.520Z",
  "closed_by": null,
  "closed_at": null,
  "latest_build_started_at": "2018-09-07T07:27:38.472Z",
  "latest_build_finished_at": "2018-09-07T08:07:06.012Z",
  "first_deployed_to_production_at": null,
  "pipeline": {
    "id": 29626725,
    "sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "ref": "patch-28",
    "status": "success",
    "web_url": "https://gitlab.example.com/my-group/my-project/pipelines/29626725"
  },
  "diff_refs": {
    "base_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00",
    "head_sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "start_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00"
  },
  "diverged_commits_count": 2,
  "task_completion_status":{
    "count":0,
    "completed_count":0
  }
}

For important notes on response data, read Single merge request response notes.

Unsubscribe from a merge request

Unsubscribes the authenticated user from a merge request to not receive notifications from that merge request. If the user is not subscribed to the merge request, the status code HTTP 304 Not Modified is returned.

POST /projects/:id/merge_requests/:merge_request_iid/unsubscribe

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/17/unsubscribe"

Example response:

{
  "id": 1,
  "iid": 1,
  "project_id": 3,
  "title": "test1",
  "description": "fixed login page css paddings",
  "state": "merged",
  "created_at": "2017-04-29T08:46:00Z",
  "updated_at": "2017-04-29T08:46:00Z",
  "target_branch": "master",
  "source_branch": "test1",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignee": {
    "id": 1,
    "name": "Administrator",
    "username": "admin",
    "state": "active",
    "avatar_url": null,
    "web_url" : "https://gitlab.example.com/admin"
  },
  "assignees": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "reviewers": [{
    "name": "Miss Monserrate Beier",
    "username": "axel.block",
    "id": 12,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/axel.block"
  }],
  "source_project_id": 2,
  "target_project_id": 3,
  "labels": [
    "Community contribution",
    "Manage"
  ],
  "draft": false,
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 3,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": "2018-09-22",
    "start_date": "2018-08-08",
    "web_url": "https://gitlab.example.com/my-group/my-project/milestones/1"
  },
  "merge_when_pipeline_succeeds": true,
  "merge_status": "can_be_merged",
  "detailed_merge_status": "not_open",
  "sha": "8888888888888888888888888888888888888888",
  "merge_commit_sha": null,
  "squash_commit_sha": null,
  "user_notes_count": 1,
  "discussion_locked": null,
  "should_remove_source_branch": true,
  "force_remove_source_branch": false,
  "allow_collaboration": false,
  "allow_maintainer_to_push": false,
  "web_url": "http://gitlab.example.com/my-group/my-project/merge_requests/1",
  "references": {
    "short": "!1",
    "relative": "!1",
    "full": "my-group/my-project!1"
  },
  "time_stats": {
    "time_estimate": 0,
    "total_time_spent": 0,
    "human_time_estimate": null,
    "human_total_time_spent": null
  },
  "squash": false,
  "subscribed": false,
  "changes_count": "1",
  "merged_by": { // Deprecated and will be removed in API v5, use `merge_user` instead
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merge_user": {
    "id": 87854,
    "name": "Douwe Maan",
    "username": "DouweM",
    "state": "active",
    "avatar_url": "https://gitlab.example.com/uploads/-/system/user/avatar/87854/avatar.png",
    "web_url": "https://gitlab.com/DouweM"
  },
  "merged_at": "2018-09-07T11:16:17.520Z",
  "prepared_at": "2018-09-04T11:16:17.520Z",
  "closed_by": null,
  "closed_at": null,
  "latest_build_started_at": "2018-09-07T07:27:38.472Z",
  "latest_build_finished_at": "2018-09-07T08:07:06.012Z",
  "first_deployed_to_production_at": null,
  "pipeline": {
    "id": 29626725,
    "sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "ref": "patch-28",
    "status": "success",
    "web_url": "https://gitlab.example.com/my-group/my-project/pipelines/29626725"
  },
  "diff_refs": {
    "base_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00",
    "head_sha": "2be7ddb704c7b6b83732fdd5b9f09d5a397b5f8f",
    "start_sha": "c380d3acebd181f13629a25d2e2acca46ffe1e00"
  },
  "diverged_commits_count": 2,
  "task_completion_status":{
    "count":0,
    "completed_count":0
  }
}

For important notes on response data, read Single merge request response notes.

Create a to-do item

Manually creates a to-do item for the current user on a merge request. If there already exists a to-do item for the user on that merge request, status code HTTP 304 Not Modified is returned.

POST /projects/:id/merge_requests/:merge_request_iid/todo

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/27/todo"

Example response:

{
  "id": 113,
  "project": {
    "id": 3,
    "name": "GitLab CI/CD",
    "name_with_namespace": "GitLab Org / GitLab CI/CD",
    "path": "gitlab-ci",
    "path_with_namespace": "gitlab-org/gitlab-ci"
  },
  "author": {
    "name": "Administrator",
    "username": "root",
    "id": 1,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon",
    "web_url": "https://gitlab.example.com/root"
  },
  "action_name": "marked",
  "target_type": "MergeRequest",
  "target": {
    "id": 27,
    "iid": 7,
    "project_id": 3,
    "title": "Et voluptas laudantium minus nihil recusandae ut accusamus earum aut non.",
    "description": "Veniam sunt nihil modi earum cumque illum delectus. Nihil ad quis distinctio quia. Autem eligendi at quibusdam repellendus.",
    "state": "merged",
    "created_at": "2016-06-17T07:48:04.330Z",
    "updated_at": "2016-07-01T11:14:15.537Z",
    "target_branch": "allow_regex_for_project_skip_ref",
    "source_branch": "backup",
    "upvotes": 0,
    "downvotes": 0,
    "author": {
      "name": "Jarret O'Keefe",
      "username": "francisca",
      "id": 14,
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/a7fa515d53450023c83d62986d0658a8?s=80&d=identicon",
      "web_url": "https://gitlab.example.com/francisca",
      "discussion_locked": false
    },
    "assignee": {
      "name": "Dr. Gabrielle Strosin",
      "username": "barrett.krajcik",
      "id": 4,
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/733005fcd7e6df12d2d8580171ccb966?s=80&d=identicon",
      "web_url": "https://gitlab.example.com/barrett.krajcik"
    },
    "assignees": [{
      "name": "Miss Monserrate Beier",
      "username": "axel.block",
      "id": 12,
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
      "web_url": "https://gitlab.example.com/axel.block"
    }],
    "reviewers": [{
      "name": "Miss Monserrate Beier",
      "username": "axel.block",
      "id": 12,
      "state": "active",
      "avatar_url": "http://www.gravatar.com/avatar/46f6f7dc858ada7be1853f7fb96e81da?s=80&d=identicon",
      "web_url": "https://gitlab.example.com/axel.block"
    }],
    "source_project_id": 3,
    "target_project_id": 3,
    "labels": [],
    "draft": false,
    "work_in_progress": false,
    "milestone": {
      "id": 27,
      "iid": 2,
      "project_id": 3,
      "title": "v1.0",
      "description": "Quis ea accusantium animi hic fuga assumenda.",
      "state": "active",
      "created_at": "2016-06-17T07:47:33.840Z",
      "updated_at": "2016-06-17T07:47:33.840Z",
      "due_date": null
    },
    "merge_when_pipeline_succeeds": false,
    "merge_status": "unchecked",
    "detailed_merge_status": "not_open",
    "subscribed": true,
    "sha": "8888888888888888888888888888888888888888",
    "merge_commit_sha": null,
    "squash_commit_sha": null,
    "user_notes_count": 7,
    "changes_count": "1",
    "should_remove_source_branch": true,
    "force_remove_source_branch": false,
    "squash": false,
    "web_url": "http://example.com/my-group/my-project/merge_requests/1",
    "references": {
      "short": "!1",
      "relative": "!1",
      "full": "my-group/my-project!1"
    }
  },
  "target_url": "https://gitlab.example.com/gitlab-org/gitlab-ci/merge_requests/7",
  "body": "Et voluptas laudantium minus nihil recusandae ut accusamus earum aut non.",
  "state": "pending",
  "created_at": "2016-07-01T11:14:15.530Z"
}

Get merge request diff versions

Get a list of merge request diff versions. For an explanation of the SHAs in the response, read SHAs in the API response.

GET /projects/:id/merge_requests/:merge_request_iid/versions

Attribute	Type	Required	Description
id	String	{check-circle} Yes	The ID of the project.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/merge_requests/1/versions"

Example response:

[{
  "id": 110,
  "head_commit_sha": "33e2ee8579fda5bc36accc9c6fbd0b4fefda9e30",
  "base_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
  "start_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
  "created_at": "2016-07-26T14:44:48.926Z",
  "merge_request_id": 105,
  "state": "collected",
  "real_size": "1"
}, {
  "id": 108,
  "head_commit_sha": "3eed087b29835c48015768f839d76e5ea8f07a24",
  "base_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
  "start_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
  "created_at": "2016-07-25T14:21:33.028Z",
  "merge_request_id": 105,
  "state": "collected",
  "real_size": "1"
}]

SHAs in the API response

SHA field	Purpose
base_commit_sha	The merge-base commit SHA between the source branch and the target branches.
head_commit_sha	The HEAD commit of the source branch.
start_commit_sha	The HEAD commit SHA of the target branch when this version of the diff was created.

Get a single merge request diff version

Get a single merge request diff version. For an explanation of the SHAs in the response, read SHAs in the API response.

GET /projects/:id/merge_requests/:merge_request_iid/versions/:version_id

Attribute	Type	Required	Description
id	String	{check-circle} Yes	The ID of the project.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
version_id	integer	{check-circle} Yes	The ID of the merge request diff version.

curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/merge_requests/1/versions/1"

Example response:

{
  "id": 110,
  "head_commit_sha": "33e2ee8579fda5bc36accc9c6fbd0b4fefda9e30",
  "base_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
  "start_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
  "created_at": "2016-07-26T14:44:48.926Z",
  "merge_request_id": 105,
  "state": "collected",
  "real_size": "1",
  "commits": [{
    "id": "33e2ee8579fda5bc36accc9c6fbd0b4fefda9e30",
    "short_id": "33e2ee85",
    "title": "Change year to 2018",
    "author_name": "Administrator",
    "author_email": "[email protected]",
    "created_at": "2016-07-26T17:44:29.000+03:00",
    "message": "Change year to 2018"
  }, {
    "id": "aa24655de48b36335556ac8a3cd8bb521f977cbd",
    "short_id": "aa24655d",
    "title": "Update LICENSE",
    "author_name": "Administrator",
    "author_email": "[email protected]",
    "created_at": "2016-07-25T17:21:53.000+03:00",
    "message": "Update LICENSE"
  }, {
    "id": "3eed087b29835c48015768f839d76e5ea8f07a24",
    "short_id": "3eed087b",
    "title": "Add license",
    "author_name": "Administrator",
    "author_email": "[email protected]",
    "created_at": "2016-07-25T17:21:20.000+03:00",
    "message": "Add license"
  }],
  "diffs": [{
    "old_path": "LICENSE",
    "new_path": "LICENSE",
    "a_mode": "0",
    "b_mode": "100644",
    "diff": "--- /dev/null\n+++ b/LICENSE\n@@ -0,0 +1,21 @@\n+The MIT License (MIT)\n+\n+Copyright (c) 2018 Administrator\n+\n+Permission is hereby granted, free of charge, to any person obtaining a copy\n+of this software and associated documentation files (the \"Software\"), to deal\n+in the Software without restriction, including without limitation the rights\n+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n+copies of the Software, and to permit persons to whom the Software is\n+furnished to do so, subject to the following conditions:\n+\n+The above copyright notice and this permission notice shall be included in all\n+copies or substantial portions of the Software.\n+\n+THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n+SOFTWARE.\n",
    "new_file": true,
    "renamed_file": false,
    "deleted_file": false
  }]
}

Set a time estimate for a merge request

Sets an estimated time of work for this merge request.

POST /projects/:id/merge_requests/:merge_request_iid/time_estimate

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
duration	string	{check-circle} Yes	The duration in human format, such as 3h30m.

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/93/time_estimate?duration=3h30m"

Example response:

{
  "human_time_estimate": "3h 30m",
  "human_total_time_spent": null,
  "time_estimate": 12600,
  "total_time_spent": 0
}

Reset the time estimate for a merge request

Resets the estimated time for this merge request to 0 seconds.

POST /projects/:id/merge_requests/:merge_request_iid/reset_time_estimate

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of a project's merge request.

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/93/reset_time_estimate"

Example response:

{
  "human_time_estimate": null,
  "human_total_time_spent": null,
  "time_estimate": 0,
  "total_time_spent": 0
}

Add spent time for a merge request

Adds spent time for this merge request.

POST /projects/:id/merge_requests/:merge_request_iid/add_spent_time

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.
duration	string	{check-circle} Yes	The duration in human format, such as 3h30m
summary	string	{dotted-circle} No	A summary of how the time was spent.

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/93/add_spent_time?duration=1h"

Example response:

{
  "human_time_estimate": null,
  "human_total_time_spent": "1h",
  "time_estimate": 0,
  "total_time_spent": 3600
}

Reset spent time for a merge request

Resets the total spent time for this merge request to 0 seconds.

POST /projects/:id/merge_requests/:merge_request_iid/reset_spent_time

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of a project's merge request.

curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/93/reset_spent_time"

Example response:

{
  "human_time_estimate": null,
  "human_total_time_spent": null,
  "time_estimate": 0,
  "total_time_spent": 0
}

Get time tracking stats

GET /projects/:id/merge_requests/:merge_request_iid/time_stats

Attribute	Type	Required	Description
id	integer or string	{check-circle} Yes	The ID or URL-encoded path of the project owned by the authenticated user.
merge_request_iid	integer	{check-circle} Yes	The internal ID of the merge request.

curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/5/merge_requests/93/time_stats"

Example response:

{
  "human_time_estimate": "2h",
  "human_total_time_spent": "1h",
  "time_estimate": 7200,
  "total_time_spent": 3600
}

Approvals

For approvals, see Merge request approvals

List merge request state events

To track which state was set, who did it, and when it happened, check out Resource state events API.

Troubleshooting

Empty API fields for new merge requests

When a merge request is created, the diff_refs and changes_count fields are initially empty. These fields are populated asynchronously after the merge request is created. For more information, see the issue Some merge request API fields (diff_refs, changes_count) empty after MR is created, and the related discussion in the GitLab forums.