diff --git a/examples/get_test_entities.py b/examples/get_test_entities.py
index 96f206f..b61d889 100644
--- a/examples/get_test_entities.py
+++ b/examples/get_test_entities.py
@@ -33,6 +33,8 @@ async def main() -> None:
     await client.get_attachments_list('TRACKER-1')
     await client.get_issue_comments('TRACKER-1')
     await client.get_projects_list(expand='queues')
+    await client.get_external_applications()
+    await client.get_external_links("TRACKER-1")
 
     await client.stop()
 
diff --git a/ya_tracker_client/domain/entities/external_application.py b/ya_tracker_client/domain/entities/external_application.py
new file mode 100644
index 0000000..c9edee4
--- /dev/null
+++ b/ya_tracker_client/domain/entities/external_application.py
@@ -0,0 +1,8 @@
+from ya_tracker_client.domain.entities.base import AbstractEntity
+
+
+class ExternalApplication(AbstractEntity):
+    url: str
+    id: str
+    type: str
+    name: str
diff --git a/ya_tracker_client/domain/entities/external_link.py b/ya_tracker_client/domain/entities/external_link.py
new file mode 100644
index 0000000..2f39f84
--- /dev/null
+++ b/ya_tracker_client/domain/entities/external_link.py
@@ -0,0 +1,20 @@
+from datetime import datetime
+
+from pydantic import Field
+
+from ya_tracker_client.domain.entities.base import AbstractEntity
+from ya_tracker_client.domain.entities.external_object import ExternalObject
+from ya_tracker_client.domain.entities.issue_relationship import IssueRelationshipType
+from ya_tracker_client.domain.entities.user import UserShort
+
+
+class ExternalLink(AbstractEntity):
+    url: str
+    id: int
+    type: IssueRelationshipType
+    direction: str = Field(examples=["outward", "inward"])
+    object: ExternalObject
+    created_by: UserShort
+    updated_by: UserShort
+    created_at: datetime
+    updated_at: datetime
diff --git a/ya_tracker_client/domain/entities/external_object.py b/ya_tracker_client/domain/entities/external_object.py
new file mode 100644
index 0000000..c7d079e
--- /dev/null
+++ b/ya_tracker_client/domain/entities/external_object.py
@@ -0,0 +1,9 @@
+from ya_tracker_client.domain.entities.base import AbstractEntity
+from ya_tracker_client.domain.entities.external_application import ExternalApplication
+
+
+class ExternalObject(AbstractEntity):
+    url: str
+    id: str
+    key: str
+    application: ExternalApplication
diff --git a/ya_tracker_client/domain/repositories/external_link.py b/ya_tracker_client/domain/repositories/external_link.py
index 052956f..6b75aa5 100644
--- a/ya_tracker_client/domain/repositories/external_link.py
+++ b/ya_tracker_client/domain/repositories/external_link.py
@@ -1,5 +1,57 @@
+from ya_tracker_client.domain.entities.external_application import ExternalApplication
+from ya_tracker_client.domain.entities.external_link import ExternalLink
 from ya_tracker_client.domain.repositories.base import EntityRepository
 
 
 class ExternalLinkRepository(EntityRepository):
-    ...
+    async def get_external_applications(self) -> list[ExternalApplication]:
+        """
+        YC docs: https://cloud.yandex.com/en/docs/tracker/concepts/issues/get-applications
+        """
+        raw_response = await self._client.request(
+            method="GET",
+            uri="/applications",
+        )
+        return self._decode(raw_response, ExternalApplication, plural=True)
+
+    async def get_external_links(self, issue_id: str) -> list[ExternalLink]:
+        """
+        YC docs: https://cloud.yandex.com/en/docs/tracker/concepts/issues/get-external-links
+        """
+        raw_response = await self._client.request(
+            method="GET",
+            uri=f"/issues/{issue_id}/remotelinks",
+        )
+        return self._decode(raw_response, ExternalLink, plural=True)
+
+    async def add_external_link(
+        self,
+        issue_id: str,
+        key: str,
+        origin: str,
+        relationship: str = "RELATES",
+        backlink: bool | None = None,
+    ) -> ExternalLink:
+        """
+        YC docs: https://cloud.yandex.com/en/docs/tracker/concepts/issues/add-external-link
+        """
+        raw_response = await self._client.request(
+            method="POST",
+            uri=f"/issues/{issue_id}/remotelinks",
+            payload={
+                "key": key,
+                "origin": origin,
+                "relationship": relationship,
+            },
+            params={"backlink": backlink} if backlink is not None else None,
+        )
+        return self._decode(raw_response, ExternalLink)
+
+    async def delete_external_link(self, issue_id: str, external_link_id: str | int) -> None:
+        """
+        YC docs: https://cloud.yandex.com/en/docs/tracker/concepts/issues/delete-external-link
+        """
+        await self._client.request(
+            method="DELETE",
+            uri=f"/issues/{issue_id}/remotelinks/{external_link_id}",
+        )