diff --git a/src/apify/_actor.py b/src/apify/_actor.py
index 3c5845ee..2d25730e 100644
--- a/src/apify/_actor.py
+++ b/src/apify/_actor.py
@@ -936,6 +936,7 @@ async def start(
         token: str | None = None,
         content_type: str | None = None,
         build: str | None = None,
+        max_items: int | None = None,
         max_total_charge_usd: Decimal | None = None,
         restart_on_error: bool | None = None,
         memory_mbytes: int | None = None,
@@ -955,6 +956,8 @@ async def start(
             content_type: The content type of the input.
             build: Specifies the Actor build to run. It can be either a build tag or build number. By default,
                 the run uses the build specified in the default run configuration for the Actor (typically latest).
+            max_items: Maximum number of dataset items you are charged for, for pay-per-result Actors. It caps the
+                charge, not the output, so the run can return fewer or more items than this.
             max_total_charge_usd: A limit on the total charged amount for pay-per-event Actors.
             restart_on_error: If true, the Actor run process will be restarted whenever it exits with
                 a non-zero status code.
@@ -988,6 +991,7 @@ async def start(
             run_input=run_input,
             content_type=content_type,
             build=build,
+            max_items=max_items,
             max_total_charge_usd=max_total_charge_usd,
             restart_on_error=restart_on_error,
             memory_mbytes=memory_mbytes,
@@ -1042,6 +1046,7 @@ async def call(
         token: str | None = None,
         content_type: str | None = None,
         build: str | None = None,
+        max_items: int | None = None,
         max_total_charge_usd: Decimal | None = None,
         restart_on_error: bool | None = None,
         memory_mbytes: int | None = None,
@@ -1062,6 +1067,8 @@ async def call(
             content_type: The content type of the input.
             build: Specifies the Actor build to run. It can be either a build tag or build number. By default,
                 the run uses the build specified in the default run configuration for the Actor (typically latest).
+            max_items: Maximum number of dataset items you are charged for, for pay-per-result Actors. It caps the
+                charge, not the output, so the run can return fewer or more items than this.
             max_total_charge_usd: A limit on the total charged amount for pay-per-event Actors.
             restart_on_error: If true, the Actor run process will be restarted whenever it exits with
                 a non-zero status code.
@@ -1099,6 +1106,7 @@ async def call(
             run_input=run_input,
             content_type=content_type,
             build=build,
+            max_items=max_items,
             max_total_charge_usd=max_total_charge_usd,
             restart_on_error=restart_on_error,
             memory_mbytes=memory_mbytes,
@@ -1121,6 +1129,7 @@ async def call_task(
         task_input: dict | None = None,
         *,
         build: str | None = None,
+        max_items: int | None = None,
         restart_on_error: bool | None = None,
         memory_mbytes: int | None = None,
         timeout: timedelta | Literal['inherit'] | None = None,
@@ -1141,6 +1150,8 @@ async def call_task(
             token: The Apify API token to use for this request (defaults to the `APIFY_TOKEN` environment variable).
             build: Specifies the Actor build to run. It can be either a build tag or build number. By default,
                 the run uses the build specified in the default run configuration for the Actor (typically latest).
+            max_items: Maximum number of dataset items you are charged for, for pay-per-result Actors. It caps the
+                charge, not the output, so the run can return fewer or more items than this.
             restart_on_error: If true, the Task run process will be restarted whenever it exits with
                 a non-zero status code.
             memory_mbytes: Memory limit for the run, in megabytes. By default, the run uses a memory limit specified
@@ -1171,6 +1182,7 @@ async def call_task(
         run = await task_client.call(
             task_input=task_input,
             build=build,
+            max_items=max_items,
             restart_on_error=restart_on_error,
             memory_mbytes=memory_mbytes,
             run_timeout=task_call_timeout,
diff --git a/tests/unit/actor/test_actor_helpers.py b/tests/unit/actor/test_actor_helpers.py
index 2644afa5..701bec6b 100644
--- a/tests/unit/actor/test_actor_helpers.py
+++ b/tests/unit/actor/test_actor_helpers.py
@@ -117,6 +117,30 @@ async def test_start_actor(apify_client_async_patcher: ApifyClientAsyncPatcher,
     assert apify_client_async_patcher.calls['actor']['start'][0][0][0].resource_id == actor_id
 
 
+@pytest.mark.parametrize(
+    ('client_resource', 'client_method', 'sdk_method'),
+    [
+        pytest.param('actor', 'start', 'start', id='start'),
+        pytest.param('actor', 'call', 'call', id='call'),
+        pytest.param('task', 'call', 'call_task', id='call_task'),
+    ],
+)
+async def test_max_items_forwarded_to_client(
+    apify_client_async_patcher: ApifyClientAsyncPatcher,
+    fake_actor_run: Run,
+    client_resource: str,
+    client_method: str,
+    sdk_method: str,
+) -> None:
+    """`max_items` passed to `Actor.start`, `Actor.call` or `Actor.call_task` reaches the API client."""
+    apify_client_async_patcher.patch(client_resource, client_method, return_value=fake_actor_run)
+
+    async with Actor:
+        await getattr(Actor, sdk_method)('some-id', max_items=42)
+
+    assert apify_client_async_patcher.calls[client_resource][client_method][0][1]['max_items'] == 42
+
+
 async def test_abort_actor_run(apify_client_async_patcher: ApifyClientAsyncPatcher, fake_actor_run: Run) -> None:
     apify_client_async_patcher.patch('run', 'abort', return_value=fake_actor_run)
     run_id = 'some-run-id'