diff --git a/apify-api/openapi/components/schemas/actor-tasks/CreateTaskRequest.yaml b/apify-api/openapi/components/schemas/actor-tasks/CreateTaskRequest.yaml
index 0d985ef897..aae35f94a9 100644
--- a/apify-api/openapi/components/schemas/actor-tasks/CreateTaskRequest.yaml
+++ b/apify-api/openapi/components/schemas/actor-tasks/CreateTaskRequest.yaml
@@ -23,3 +23,9 @@ properties:
     anyOf:
       - $ref: ../actors/ActorStandby.yaml
       - type: "null"
+  publicConfig:
+    description: |
+      Public-facing display configuration of the task's public landing page. The task is not
+      published by setting it — set `isPublic` via the [Update task](/api/v2/actor-task-put)
+      endpoint for that. Setting `publicConfig` requires write permission to the task's Actor.
+    $ref: ./TaskPublicConfig.yaml
diff --git a/apify-api/openapi/components/schemas/actor-tasks/Task.yaml b/apify-api/openapi/components/schemas/actor-tasks/Task.yaml
index eff273d7e9..64802ab63d 100644
--- a/apify-api/openapi/components/schemas/actor-tasks/Task.yaml
+++ b/apify-api/openapi/components/schemas/actor-tasks/Task.yaml
@@ -55,3 +55,14 @@ properties:
   standbyUrl:
     type: [string, "null"]
     format: uri
+  isPublic:
+    type: boolean
+    description: |
+      Whether the task is published on its public landing page. Derived from
+      `publicConfig.publishedAt`. Set it via the [Update task](/api/v2/actor-task-put)
+      endpoint to publish or unpublish the task.
+    examples: [false]
+  publicConfig:
+    anyOf:
+      - $ref: ./TaskPublicConfig.yaml
+      - type: "null"
diff --git a/apify-api/openapi/components/schemas/actor-tasks/TaskPublicConfig.yaml b/apify-api/openapi/components/schemas/actor-tasks/TaskPublicConfig.yaml
new file mode 100644
index 0000000000..c78979ae0e
--- /dev/null
+++ b/apify-api/openapi/components/schemas/actor-tasks/TaskPublicConfig.yaml
@@ -0,0 +1,37 @@
+title: TaskPublicConfig
+type: object
+description: |
+  Public-facing configuration of a published task, used by the task's public landing page.
+  The task's publication state is determined by `publishedAt` - a task is published when
+  `publishedAt` is set and unpublished when it is `null`.
+properties:
+  publishedAt:
+    type: [string, "null"]
+    format: date-time
+    readOnly: true
+    description: |
+      Time when the task was published, or `null` if the task is not published.
+      This field is server-controlled - to publish or unpublish a task, set `isPublic`
+      via the [Update task](/api/v2/actor-task-put) endpoint.
+    examples: ["2025-06-16T09:20:45.777Z"]
+  seoTitle:
+    type: [string, "null"]
+    description: SEO title of the public task page. Defaults to the task title when not set.
+    examples: [Scrape data from a website]
+  seoDescription:
+    type: [string, "null"]
+    description: SEO description of the public task page. Defaults to the task description when not set.
+  categorization:
+    type: [string, "null"]
+    description: Use-case category of the public task.
+  inputSchemaFields:
+    type: [array, "null"]
+    description: Names of the task input fields displayed on the public task page.
+    items:
+      type: string
+  datasetName:
+    type: [string, "null"]
+    description: Name of the dataset from the Actor's dataset schema whose results are displayed.
+  datasetView:
+    type: [string, "null"]
+    description: Key of the dataset view from the Actor's dataset schema used to display results.
diff --git a/apify-api/openapi/components/schemas/actor-tasks/UpdateTaskRequest.yaml b/apify-api/openapi/components/schemas/actor-tasks/UpdateTaskRequest.yaml
index d12c85c191..bad6a1a847 100644
--- a/apify-api/openapi/components/schemas/actor-tasks/UpdateTaskRequest.yaml
+++ b/apify-api/openapi/components/schemas/actor-tasks/UpdateTaskRequest.yaml
@@ -18,3 +18,18 @@ properties:
     anyOf:
       - $ref: ../actors/ActorStandby.yaml
       - type: "null"
+  publicConfig:
+    description: |
+      Public-facing display configuration of the task's public landing page. The provided
+      fields are merged into the stored configuration and validated. The stored configuration
+      cannot be cleared this way. Set `isPublic` to change the publication state.
+      Updating `publicConfig` requires write permission to the task's Actor.
+    $ref: ./TaskPublicConfig.yaml
+  isPublic:
+    type: boolean
+    description: |
+      Set to `true` to publish the task on its public landing page, or `false` to unpublish it.
+      Sending the value the task already has does nothing. Publishing requires the task's
+      `publicConfig` to be filled in and write permission to the task's Actor; it fails if the
+      task is not ready to be published, leaving the rest of the update unapplied.
+    examples: [true]
diff --git a/apify-api/openapi/paths/actor-tasks/actor-tasks@{actorTaskId}.yaml b/apify-api/openapi/paths/actor-tasks/actor-tasks@{actorTaskId}.yaml
index 4b2d8acde8..17dc21fa4c 100644
--- a/apify-api/openapi/paths/actor-tasks/actor-tasks@{actorTaskId}.yaml
+++ b/apify-api/openapi/paths/actor-tasks/actor-tasks@{actorTaskId}.yaml
@@ -52,6 +52,10 @@ put:
 
     If the object does not define a specific property, its value is not updated.
 
+    The `publicConfig` field carries the display configuration of the task's public
+    landing page, and `isPublic` publishes or unpublishes the task itself. Both require
+    write permission to the task's Actor.
+
     The response is the full task object as returned by the
     [Get task](/api/v2/actor-task-get) endpoint.