diff --git a/stream_chat/async_chat/client.py b/stream_chat/async_chat/client.py
index 1065c1f..31cb612 100644
--- a/stream_chat/async_chat/client.py
+++ b/stream_chat/async_chat/client.py
@@ -223,6 +223,22 @@ async def query_banned_users(self, query_conditions: Dict) -> StreamResponse:
             "query_banned_users", params={"payload": json.dumps(query_conditions)}
         )
 
+    async def block_user(
+        self, blocked_user_id: str, user_id: str, **options: Any
+    ) -> StreamResponse:
+        data = {"blocked_user_id": blocked_user_id, "user_id": user_id, **options}
+        return await self.post("users/block", data=data)
+
+    async def unblock_user(
+        self, blocked_user_id: str, user_id: str, **options: Any
+    ) -> StreamResponse:
+        data = {"blocked_user_id": blocked_user_id, "user_id": user_id, **options}
+        return await self.post("users/unblock", data=data)
+
+    async def get_blocked_users(self, user_id: str, **options: Any) -> StreamResponse:
+        params = {"user_id": user_id, **options}
+        return await self.get("users/block", params=params)
+
     async def run_message_action(self, message_id: str, data: Dict) -> StreamResponse:
         return await self.post(f"messages/{message_id}/action", data=data)
 
diff --git a/stream_chat/base/client.py b/stream_chat/base/client.py
index d05c775..5aa5668 100644
--- a/stream_chat/base/client.py
+++ b/stream_chat/base/client.py
@@ -355,6 +355,37 @@ def query_banned_users(
         """
         pass
 
+    @abc.abstractmethod
+    def block_user(
+        self, blocked_user_id: str, user_id: str, **options: Any
+    ) -> Union[StreamResponse, Awaitable[StreamResponse]]:
+        """
+        Blocks a user. When a user is blocked, they will not be able to communicate with the
+        blocking user in 1-on-1 channels, and will not be able to add the blocking user to channels.
+        To unblock a user, use `unblock_user` method.
+        """
+        pass
+
+    @abc.abstractmethod
+    def unblock_user(
+        self, blocked_user_id: str, user_id: str, **options: Any
+    ) -> Union[StreamResponse, Awaitable[StreamResponse]]:
+        """
+        Unblocks a user. This allows the previously blocked user to communicate with the
+        unblocking user in 1-on-1 channels again, and all previous messages become visible.
+        To block a user, use `block_user` method.
+        """
+        pass
+
+    @abc.abstractmethod
+    def get_blocked_users(
+        self, user_id: str, **options: Any
+    ) -> Union[StreamResponse, Awaitable[StreamResponse]]:
+        """
+        Retrieves the list of users that have been blocked by the specified user.
+        """
+        pass
+
     @abc.abstractmethod
     def run_message_action(
         self, message_id: str, data: Dict
diff --git a/stream_chat/client.py b/stream_chat/client.py
index 47bb12d..67faed7 100644
--- a/stream_chat/client.py
+++ b/stream_chat/client.py
@@ -209,6 +209,22 @@ def query_banned_users(self, query_conditions: Dict) -> StreamResponse:
             "query_banned_users", params={"payload": json.dumps(query_conditions)}
         )
 
+    def block_user(
+        self, blocked_user_id: str, user_id: str, **options: Any
+    ) -> StreamResponse:
+        data = {"blocked_user_id": blocked_user_id, "user_id": user_id, **options}
+        return self.post("users/block", data=data)
+
+    def unblock_user(
+        self, blocked_user_id: str, user_id: str, **options: Any
+    ) -> StreamResponse:
+        data = {"blocked_user_id": blocked_user_id, "user_id": user_id, **options}
+        return self.post("users/unblock", data=data)
+
+    def get_blocked_users(self, user_id: str, **options: Any) -> StreamResponse:
+        params = {"user_id": user_id, **options}
+        return self.get("users/block", params=params)
+
     def run_message_action(self, message_id: str, data: Dict) -> StreamResponse:
         return self.post(f"messages/{message_id}/action", data=data)
 
diff --git a/stream_chat/tests/async_chat/test_client.py b/stream_chat/tests/async_chat/test_client.py
index 140eea4..5bae8b3 100644
--- a/stream_chat/tests/async_chat/test_client.py
+++ b/stream_chat/tests/async_chat/test_client.py
@@ -304,6 +304,29 @@ async def test_query_banned_user(
         )
         assert len(resp["bans"]) == 1
 
+    async def test_block_user(
+        self, client: StreamChatAsync, random_user, server_user: Dict
+    ):
+        await client.block_user(random_user["id"], server_user["id"])
+        response = await client.get_blocked_users(server_user["id"])
+        assert len(response["blocks"]) > 0
+
+    async def test_unblock_user(
+        self, client: StreamChatAsync, random_user, server_user: Dict
+    ):
+        await client.block_user(random_user["id"], server_user["id"])
+        await client.unblock_user(random_user["id"], server_user["id"])
+
+        response = await client.get_blocked_users(server_user["id"])
+        assert len(response["blocks"]) == 0
+
+    async def test_get_blocked_users(
+        self, client: StreamChatAsync, random_user, server_user: Dict
+    ):
+        await client.block_user(random_user["id"], server_user["id"])
+        response = await client.get_blocked_users(server_user["id"])
+        assert len(response["blocks"]) > 0
+
     async def test_flag_user(
         self, client: StreamChatAsync, random_user, server_user: Dict
     ):
diff --git a/stream_chat/tests/test_client.py b/stream_chat/tests/test_client.py
index f28d593..176b69c 100644
--- a/stream_chat/tests/test_client.py
+++ b/stream_chat/tests/test_client.py
@@ -319,6 +319,25 @@ def test_query_banned_user(
         )
         assert len(resp["bans"]) == 1
 
+    def test_block_user(self, client: StreamChat, random_user, server_user: Dict):
+        client.block_user(random_user["id"], server_user["id"])
+        response = client.get_blocked_users(server_user["id"])
+        assert len(response["blocks"]) > 0
+
+    def test_unblock_user(self, client: StreamChat, random_user, server_user: Dict):
+        client.block_user(random_user["id"], server_user["id"])
+        client.unblock_user(random_user["id"], server_user["id"])
+
+        response = client.get_blocked_users(server_user["id"])
+        assert len(response["blocks"]) == 0
+
+    def test_get_blocked_users(
+        self, client: StreamChat, random_user, server_user: Dict
+    ):
+        client.block_user(random_user["id"], server_user["id"])
+        response = client.get_blocked_users(server_user["id"])
+        assert len(response["blocks"]) > 0
+
     def test_flag_user(self, client: StreamChat, random_user, server_user: Dict):
         client.flag_user(random_user["id"], user_id=server_user["id"])