diff --git a/src/apify_client/_models.py b/src/apify_client/_models.py
index 19f5cf6d..57b1db8e 100644
--- a/src/apify_client/_models.py
+++ b/src/apify_client/_models.py
@@ -3766,6 +3766,18 @@ class WebhookRepresentation(BaseModel):
     """
     Optional template for the HTTP headers sent by the webhook.
     """
+    idempotency_key: Annotated[str | None, Field(alias='idempotencyKey', examples=['fdSJmdP3nfs7sfk3y'])] = None
+    """
+    Optional key that prevents creating duplicate webhooks, e.g. when the run-starting request is retried.
+    """
+    ignore_ssl_errors: Annotated[bool | None, Field(alias='ignoreSslErrors', examples=[False])] = None
+    """
+    Optional flag to ignore SSL errors when the webhook sends the request.
+    """
+    do_not_retry: Annotated[bool | None, Field(alias='doNotRetry', examples=[False])] = None
+    """
+    Optional flag to skip retrying the webhook request on failure.
+    """
 
 
 @docs_group('Models')
diff --git a/src/apify_client/_typeddicts.py b/src/apify_client/_typeddicts.py
index fa430ab7..e3e3bbb1 100644
--- a/src/apify_client/_typeddicts.py
+++ b/src/apify_client/_typeddicts.py
@@ -336,6 +336,18 @@ class WebhookRepresentationDict(TypedDict):
     """
     Optional template for the HTTP headers sent by the webhook.
     """
+    idempotency_key: NotRequired[str | None]
+    """
+    Optional key that prevents creating duplicate webhooks, e.g. when the run-starting request is retried.
+    """
+    ignore_ssl_errors: NotRequired[bool | None]
+    """
+    Optional flag to ignore SSL errors when the webhook sends the request.
+    """
+    do_not_retry: NotRequired[bool | None]
+    """
+    Optional flag to skip retrying the webhook request on failure.
+    """
 
 
 @docs_group('Typed dicts')
@@ -374,3 +386,15 @@ class WebhookRepresentationCamelDict(TypedDict):
     """
     Optional template for the HTTP headers sent by the webhook.
     """
+    idempotencyKey: NotRequired[str | None]
+    """
+    Optional key that prevents creating duplicate webhooks, e.g. when the run-starting request is retried.
+    """
+    ignoreSslErrors: NotRequired[bool | None]
+    """
+    Optional flag to ignore SSL errors when the webhook sends the request.
+    """
+    doNotRetry: NotRequired[bool | None]
+    """
+    Optional flag to skip retrying the webhook request on failure.
+    """