diff --git a/.github/workflows/test-spec.yml b/.github/workflows/test-spec.yml
index 23f0fffc6..a2d939161 100644
--- a/.github/workflows/test-spec.yml
+++ b/.github/workflows/test-spec.yml
@@ -42,6 +42,8 @@ jobs:
             tests: plugins/notifications
           - version: 2.17.0
             tests: plugins/query_insights
+          - version: 2.17.0
+            tests: plugins/wlm
           - version: 2.18.0
             hub: opensearchstaging
             ref: '@sha256:57a1cd1142d68c203e2e4aa0666d9a691e1e409a5d14aa4a8f5044036f05cf06'
diff --git a/spec/namespaces/wlm.yaml b/spec/namespaces/wlm.yaml
new file mode 100644
index 000000000..300a59c28
--- /dev/null
+++ b/spec/namespaces/wlm.yaml
@@ -0,0 +1,127 @@
+openapi: 3.1.0
+info:
+  title: OpenSearch Workload Management API
+  description: OpenSearch Workload Management API
+  version: 1.0.0
+paths:
+  /_wlm/query_group:
+    get:
+      operationId: query_group.get.0
+      x-operation-group: query_group.get
+      x-version-added: '2.17'
+      description: Gets the specified QueryGroup or get all if no name is provided.
+      responses:
+        '200':
+          $ref: '#/components/responses/query_group.get@200'
+    put:
+      operationId: query_group.create.0
+      x-operation-group: query_group.create
+      x-version-added: '2.17'
+      description: Creates a specified query group.
+      requestBody:
+        $ref: '#/components/requestBodies/query_group.create'
+      responses:
+        '200':
+          $ref: '#/components/responses/query_group.create@200'
+  /_wlm/query_group/{name}:
+    get:
+      operationId: query_group.get.1
+      x-operation-group: query_group.get
+      x-version-added: '2.17'
+      description: Gets the specified QueryGroup or get all if no name is provided.
+      parameters:
+        - $ref: '#/components/parameters/query_group.get::path.name'
+      responses:
+        '200':
+          $ref: '#/components/responses/query_group.get@200'
+    put:
+      operationId: query_group.update.0
+      x-operation-group: query_group.update
+      x-version-added: '2.17'
+      description: Updates a specified query group.
+      parameters:
+        - $ref: '#/components/parameters/query_group.update::path.name'
+      requestBody:
+        $ref: '#/components/requestBodies/query_group.update'
+      responses:
+        '200':
+          $ref: '#/components/responses/query_group.update@200'
+    delete:
+      operationId: query_group.delete.1
+      x-operation-group: query_group.delete
+      x-version-added: '2.17'
+      description: Deletes the specified QueryGroups or delete all if no name is provided.
+      parameters:
+        - $ref: '#/components/parameters/query_group.delete::path.name'
+      responses:
+        '200':
+          $ref: '#/components/responses/query_group.delete@200'
+components:
+  requestBodies:
+    query_group.create:
+      content:
+        application/json:
+          schema:
+              $ref: '../schemas/wlm._common.yaml#/components/schemas/QueryGroupCreate'
+      required: true
+    query_group.update:
+      content:
+        application/json:
+          schema:
+              $ref: '../schemas/wlm._common.yaml#/components/schemas/QueryGroupUpdate'
+      required: true
+  responses:
+    query_group.create@200:
+      description: ''
+      content:
+        application/json:
+          schema:
+            $ref: '../schemas/wlm._common.yaml#/components/schemas/QueryGroupResponse'
+    query_group.update@200:
+      description: ''
+      content:
+        application/json:
+          schema:
+            $ref: '../schemas/wlm._common.yaml#/components/schemas/QueryGroupResponse'
+    query_group.delete@200:
+      description: ''
+      content:
+        application/json:
+          schema:
+            type: object
+            properties:
+              acknowledged:
+                type: boolean
+    query_group.get@200:
+      description: ''
+      content:
+        application/json:
+          schema:
+            type: object
+            properties:
+              query_groups:
+                type: array
+                items:
+                  $ref: '../schemas/wlm._common.yaml#/components/schemas/QueryGroupResponse'
+  parameters:
+    query_group.update::path.name:
+      name: name
+      in: path
+      description: QueryGroup name.
+      schema:
+        type: string
+      required: true
+    query_group.delete::path.name:
+      name: name
+      in: path
+      description: QueryGroup name.
+      schema:
+        type: string
+      required: true
+    query_group.get::path.name:
+      name: name
+      in: path
+      description: QueryGroup name.
+      schema:
+        type: string
+      required: true
diff --git a/spec/schemas/wlm._common.yaml b/spec/schemas/wlm._common.yaml
new file mode 100644
index 000000000..7dff2eb59
--- /dev/null
+++ b/spec/schemas/wlm._common.yaml
@@ -0,0 +1,98 @@
+openapi: 3.1.0
+info:
+  title: Schemas of wlm._common category
+  description: Schemas of wlm._common category
+  version: 1.0.0
+paths: {}
+components:
+  schemas:
+    QueryGroupResponse:
+      type: object
+      properties:
+        _id:
+          type: string
+        name:
+          type: string
+        resiliency_mode:
+          type: string
+          enum: [ "soft", "enforced", "monitor" ]
+        updated_at:
+          type: integer
+          format: int64
+        resource_limits:
+          anyOf:
+            - type: object
+              properties:
+                memory:
+                  type: number
+                  format: double
+                cpu:
+                  type: number
+                  format: double
+              required:
+                - memory
+            - type: object
+              properties:
+                memory:
+                  type: number
+                  format: double
+                cpu:
+                  type: number
+                  format: double
+              required:
+                - cpu
+      required:
+        - _id
+        - name
+        - resiliency_mode
+        - updated_at
+        - resource_limits
+    QueryGroupCreate:
+      type: object
+      properties:
+        name:
+          type: string
+        resiliency_mode:
+          type: string
+          enum: [ "soft", "enforced", "monitor" ]
+        resource_limits:
+          anyOf:
+            - type: object
+              properties:
+                memory:
+                  type: number
+                  format: double
+                cpu:
+                  type: number
+                  format: double
+              required:
+                - memory
+            - type: object
+              properties:
+                memory:
+                  type: number
+                  format: double
+                cpu:
+                  type: number
+                  format: double
+              required:
+                - cpu
+      required:
+        - name
+        - resiliency_mode
+        - resource_limits
+    QueryGroupUpdate:
+      type: object
+      properties:
+        resiliency_mode:
+          type: string
+          enum: [ "soft", "enforced", "monitor" ]
+        resource_limits:
+          type: object
+          properties:
+            memory:
+              type: number
+              format: double
+            cpu:
+              type: number
+              format: double
diff --git a/tests/plugins/wlm/Dockerfile b/tests/plugins/wlm/Dockerfile
new file mode 100644
index 000000000..2d040ccb8
--- /dev/null
+++ b/tests/plugins/wlm/Dockerfile
@@ -0,0 +1,6 @@
+ARG OPENSEARCH_DOCKER_HUB_PROJECT
+ARG OPENSEARCH_VERSION
+ARG OPENSEARCH_DOCKER_REF
+
+FROM ${OPENSEARCH_DOCKER_HUB_PROJECT}/opensearch:${OPENSEARCH_VERSION}${OPENSEARCH_DOCKER_REF}
+RUN ./bin/opensearch-plugin install -b workload-management
diff --git a/tests/plugins/wlm/docker-compose.yml b/tests/plugins/wlm/docker-compose.yml
new file mode 100644
index 000000000..c334c477f
--- /dev/null
+++ b/tests/plugins/wlm/docker-compose.yml
@@ -0,0 +1,17 @@
+version: '3'
+
+services:
+  opensearch-cluster:
+    build:
+      context: .
+      args:
+        - OPENSEARCH_DOCKER_HUB_PROJECT=${OPENSEARCH_DOCKER_HUB_PROJECT:-opensearchproject}
+        - OPENSEARCH_DOCKER_REF=${OPENSEARCH_DOCKER_REF}
+        - OPENSEARCH_VERSION=2.17.0
+    ports:
+      - 9200:9200
+      - 9600:9600
+    environment:
+      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_PASSWORD:-myStrongPassword123!}
+      - OPENSEARCH_JAVA_OPTS=${OPENSEARCH_JAVA_OPTS}
+      - discovery.type=single-node
diff --git a/tests/plugins/wlm/query_group/query_group.yaml b/tests/plugins/wlm/query_group/query_group.yaml
new file mode 100644
index 000000000..dc69de13e
--- /dev/null
+++ b/tests/plugins/wlm/query_group/query_group.yaml
@@ -0,0 +1,67 @@
+$schema: ../../../../json_schemas/test_story.schema.yaml
+
+description: This story tests all endpoints relevant to QueryGroups, from creation to deletion.
+
+prologues:
+  - path: /_wlm/query_group
+    version: '>= 2.17'
+    method: PUT
+    request:
+      payload:
+        name: analytics
+        resource_limits:
+          memory: 0.1
+        resiliency_mode: monitor
+    status: [200]
+  - path: /_wlm/query_group
+    version: '>= 2.17'
+    method: PUT
+    request:
+      payload:
+        name: analytics2
+        resource_limits:
+          memory: 0.15
+          cpu: 0.05
+        resiliency_mode: monitor
+    status: [200]
+
+chapters:
+  - synopsis: Update the QueryGroup named `analytics2`, with resiliency_mode to be enforced and memory to be 0.25 and cpu to be 0.25.
+    version: '>= 2.17'
+    path: /_wlm/query_group/{name}
+    method: PUT
+    parameters:
+      name: analytics2
+    request:
+      payload:
+        resource_limits:
+          memory: 0.25
+          cpu: 0.25
+        resiliency_mode: enforced
+    response:
+      status: 200
+  - synopsis: Get the QueryGroup named `analytics2`.
+    version: '>= 2.17'
+    path: /_wlm/query_group/{name}
+    method: GET
+    parameters:
+      name: analytics2
+    response:
+      status: 200
+      payload:
+        query_groups:
+        - name: analytics2
+          resource_limits:
+            memory: 0.25
+            cpu: 0.25
+          resiliency_mode: enforced
+
+epilogues:
+  - path: /_wlm/query_group/analytics
+    version: '>= 2.17'
+    method: DELETE
+    status: [200]
+  - path: /_wlm/query_group/analytics2
+    version: '>= 2.17'
+    method: DELETE
+    status: [200]