diff --git a/api/birdxplorer_api/routers/data.py b/api/birdxplorer_api/routers/data.py
index 75ed648..ad22b81 100644
--- a/api/birdxplorer_api/routers/data.py
+++ b/api/birdxplorer_api/routers/data.py
@@ -101,6 +101,7 @@ def get_posts(
         offset: int = Query(default=0, ge=0),
         limit: int = Query(default=100, gt=0, le=1000),
         search_text: Union[None, str] = Query(default=None),
+        search_url: Union[None, HttpUrl] = Query(default=None),
     ) -> PostListResponse:
         if created_at_from is not None and isinstance(created_at_from, str):
             created_at_from = ensure_twitter_timestamp(created_at_from)
@@ -113,6 +114,7 @@ def get_posts(
                 start=created_at_from,
                 end=created_at_to,
                 search_text=search_text,
+                search_url=search_url,
                 offset=offset,
                 limit=limit,
             )
@@ -123,6 +125,7 @@ def get_posts(
             start=created_at_from,
             end=created_at_to,
             search_text=search_text,
+            search_url=search_url,
         )
 
         for post in posts:
diff --git a/api/tests/conftest.py b/api/tests/conftest.py
index 3b8e677..208acdd 100644
--- a/api/tests/conftest.py
+++ b/api/tests/conftest.py
@@ -9,12 +9,14 @@
 from polyfactory import Use
 from polyfactory.factories.pydantic_factory import ModelFactory
 from polyfactory.pytest_plugin import register_fixture
+from pydantic import HttpUrl
 from pytest import fixture
 
 from birdxplorer_common.exceptions import UserEnrollmentNotFoundError
 from birdxplorer_common.models import (
     LanguageIdentifier,
     Link,
+    LinkId,
     Note,
     NoteId,
     ParticipantId,
@@ -263,6 +265,7 @@ def mock_storage(
     topic_samples: List[Topic],
     post_samples: List[Post],
     note_samples: List[Note],
+    link_samples: List[Link],
 ) -> Generator[MagicMock, None, None]:
     mock = MagicMock(spec=Storage)
 
@@ -311,11 +314,17 @@ def _get_posts(
         start: Union[TwitterTimestamp, None] = None,
         end: Union[TwitterTimestamp, None] = None,
         search_text: Union[str, None] = None,
+        search_url: Union[HttpUrl, None] = None,
         offset: Union[int, None] = None,
         limit: Union[int, None] = None,
     ) -> Generator[Post, None, None]:
         gen_count = 0
         actual_gen_count = 0
+        url_id: LinkId | None = None
+        if search_url is not None:
+            url_candidates = [link.link_id for link in link_samples if link.url == search_url]
+            if len(url_candidates) > 0:
+                url_id = url_candidates[0]
         for idx, post in enumerate(post_samples):
             if limit is not None and actual_gen_count >= limit:
                 break
@@ -331,6 +340,8 @@ def _get_posts(
                 continue
             if search_text is not None and search_text not in post.text:
                 continue
+            if search_url is not None and url_id not in [link.link_id for link in post.links]:
+                continue
             gen_count += 1
             if offset is not None and gen_count <= offset:
                 continue
@@ -345,8 +356,9 @@ def _get_number_of_posts(
         start: Union[TwitterTimestamp, None] = None,
         end: Union[TwitterTimestamp, None] = None,
         search_text: Union[str, None] = None,
+        search_url: Union[str, None] = None,
     ) -> int:
-        return len(list(_get_posts(post_ids, note_ids, start, end, search_text)))
+        return len(list(_get_posts(post_ids, note_ids, start, end, search_text, search_url)))
 
     mock.get_number_of_posts.side_effect = _get_number_of_posts