Clerk

Clerk Agent Tasks API

Tasks that allow creating user sessions for agent-based interactions.

Documentation GitHub OpenAPI

Operations 2

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /agents/tasks Create an agent task acting for a user · Create agent task #

Ask an LLM

“How do I let an AI agent act on behalf of a user with a session link?”

“Can I cap how long the agent's session lasts?”

Tell an agent

Create agent task for {agent_name} on behalf of {on_behalf_of} with permissions {permissions}, task {task_description}, redirect {redirect_url}.

Let agent {agent_name} act for {on_behalf_of} on {task_description} with {permissions}, redirect {redirect_url}, max {session_max_duration_in_seconds}s.

POST /agents/tasks/{agent_task_id}/revoke Revoke a pending agent task · Revoke agent task #

Ask an LLM

“How do I cancel an agent task before the agent uses its link?”

“Can a pending agent task be revoked?”

Tell an agent destructive · confirm first

Revoke agent task {agent_task_id}.

Cancel pending agent task {agent_task_id}.

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Clerk Backend Agent Tasks API
  x-logo:
    url: https://clerk.com/_next/image?url=%2Fimages%2Fclerk-logo.svg&w=96&q=75
    altText: Clerk docs
    href: https://clerk.com/docs
  contact:
    email: support@clerk.com
    name: Clerk Platform Team
    url: https://clerk.com/support
  description: 'The Clerk REST Backend API, meant to be accessed by backend servers.


    ### Versions


    When the API changes in a way that isn''t compatible with older versions, a new version is released.

    Each version is identified by its release date, e.g. `2025-04-10`. For more information, please see Clerk API Versions.


    Please see https://clerk.com/docs for more information.'
  version: '2026-08-20'
  termsOfService: https://clerk.com/terms
  license:
    name: MIT
    url: https://github.com/clerk/openapi-specs/blob/main/LICENSE
servers:
- url: https://api.clerk.com/v1
security:
- bearerAuth: []
tags:
- name: Agent Tasks
  description: Tasks that allow creating user sessions for agent-based interactions.
paths:
  /agents/tasks:
    post:
      operationId: CreateAgentTask
      x-speakeasy-group: agentTasks
      x-speakeasy-name-override: create
      summary: Create agent task
      description: 'Create an agent task on behalf of a user.

        The response contains a URL that, when visited, creates a session for the user.

        The agent_id is stable per agent_name within an instance. The agent_task_id is unique per call.'
      tags:
      - Agent Tasks
      requestBody:
        content:
          application/json:
            schema:
              type: object
              additionalProperties: false
              properties:
                on_behalf_of:
                  type: object
                  description: 'Identifies the user on whose behalf the agent task is created.

                    Exactly one of user_id or identifier must be provided.'
                  properties:
                    user_id:
                      type: string
                      description: The ID of the user.
                    identifier:
                      type: string
                      description: A verified identifier (e.g. email address) belonging to the user.
                permissions:
                  type: string
                  description: The permissions granted to the agent task. Must be "*" (all permissions).
                  enum:
                  - '*'
                agent_name:
                  type: string
                  description: 'A name identifying the agent. Used to derive a stable agent_id per instance.

                    Logged for audit purposes.'
                task_description:
                  type: string
                  description: A description of the task being performed. Logged for audit purposes.
                redirect_url:
                  type: string
                  format: uri
                  description: 'The URL the user is redirected to after the agent task is accepted.

                    Must be a valid absolute URL with an `https` scheme in production instances.

                    In development instances, `http` is also permitted.

                    The URL''s domain must belong to one of the instance''s associated domains

                    (primary or satellite); otherwise the redirect will be rejected when the

                    task ticket is consumed.'
                session_max_duration_in_seconds:
                  type: integer
                  description: 'The maximum duration that the session which will be created by the generated agent task should last.

                    By default, the duration of a session created via an agent task lasts 30 minutes.'
                  default: 1800
              required:
              - on_behalf_of
              - permissions
              - agent_name
              - task_description
              - redirect_url
      responses:
        '200':
          $ref: '#/components/responses/AgentTask'
        '400':
          $ref: '#/components/responses/ClerkErrors'
        '404':
          $ref: '#/components/responses/ResourceNotFound'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
  /agents/tasks/{agent_task_id}/revoke:
    post:
      operationId: RevokeAgentTask
      x-speakeasy-group: agentTasks
      x-speakeasy-name-override: revoke
      summary: Revoke agent task
      description: Revokes a pending agent task.
      tags:
      - Agent Tasks
      parameters:
      - name: agent_task_id
        in: path
        description: The ID of the agent task to be revoked.
        required: true
        schema:
          type: string
      responses:
        '200':
          $ref: '#/components/responses/AgentTask'
        '400':
          $ref: '#/components/responses/ClerkErrors'
        '404':
          $ref: '#/components/responses/ResourceNotFound'
components:
  schemas:
    ClerkErrors:
      type: object
      properties:
        errors:
          type: array
          items:
            $ref: '#/components/schemas/ClerkError'
        meta:
          type: object
          additionalProperties: true
        clerk_trace_id:
          type: string
      required:
      - errors
    AgentTask:
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          enum:
          - agent_task
        agent_id:
          type: string
          description: 'A stable identifier for the agent, unique per agent_name within an instance.

            '
        agent_task_id:
          type: string
          description: 'A unique identifier for this agent task.

            '
        task_id:
          type: string
          deprecated: true
          description: 'A unique identifier for this agent task. Deprecated: use agent_task_id instead.

            '
        url:
          type: string
          description: 'The URL that, when visited, creates a session for the user. Only present in the response to a create request.

            '
      required:
      - object
      - agent_id
      - agent_task_id
      - task_id
    ClerkError:
      type: object
      properties:
        message:
          type: string
        long_message:
          type: string
        code:
          type: string
        meta:
          type: object
          additionalProperties: true
      required:
      - message
      - long_message
      - code
  responses:
    AgentTask:
      description: Success
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/AgentTask'
    UnprocessableEntity:
      description: Invalid request parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ClerkErrors'
    ResourceNotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ClerkErrors'
    ClerkErrors:
      description: Request was not successful
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ClerkErrors'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Secret key, obtained under "API Keys" in the Clerk Dashboard.
      bearerFormat: sk_<environment>_<secret value>
externalDocs:
  url: https://clerk.com/docs
x-speakeasy-retries:
  strategy: backoff
  backoff:
    initialInterval: 500
    maxInterval: 60000
    maxElapsedTime: 3600000
    exponent: 1.5
  statusCodes:
  - 5XX
  retryConnectionErrors: true