Clerk Client API

openapi: 3.0.3
info:
  title: Clerk Backend Account Portal Client 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](https://clerk.com/docs/versioning/available-versions).


    Please see https://clerk.com/docs for more information.'
  version: '2025-11-10'
  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: Client
  description: Used to interact with the Client Object.
paths:
  /v1/client:
    get:
      summary: Get Current Client
      description: Returns the current client that is present either in the browser cookies or authorization header.
      tags:
      - Client
      operationId: getClient
      security:
      - {}
      - DevBrowser: []
      responses:
        '200':
          $ref: '#/components/responses/Client.Client'
        '400':
          $ref: '#/components/responses/ClerkErrors'
        '401':
          $ref: '#/components/responses/ClerkErrors'
        '403':
          $ref: '#/components/responses/ClerkErrors'
    put:
      summary: Create New Client
      description: Creates a new Client and sets it either in the response cookies or the response authorization header.
      security:
      - {}
      - DevBrowser: []
      tags:
      - Client
      operationId: putClient
      responses:
        '200':
          $ref: '#/components/responses/Client.Client'
        '307':
          description: Redirect, no body.
    post:
      summary: Create New Client
      description: Creates a new Client and sets it either in the response cookies or the response authorization header.
      security:
      - {}
      - DevBrowser: []
      operationId: postClient
      tags:
      - Client
      responses:
        '200':
          $ref: '#/components/responses/Client.Client'
        '307':
          description: Redirect, no body.
    delete:
      summary: Delete Client's Sessions
      description: Ends all Sessions of the Current Client
      tags:
      - Client
      operationId: deleteClientSessions
      responses:
        '200':
          $ref: '#/components/responses/Client.DeleteSession'
        '307':
          description: Redirect, no body.
        '404':
          $ref: '#/components/responses/ClerkErrors'
  /v1/client/sync:
    get:
      summary: Sync Clients Across Multiple Domains
      description: Start the syncing process between a satellite and primary domain.
      operationId: syncClient
      parameters:
      - in: query
        name: link_domain
        schema:
          type: string
        description: The satellite domain which should be synced with its primary.
      - in: query
        name: redirect_url
        schema:
          type: string
        description: The URL to redirect to after the syncing process has been completed.
      responses:
        '307':
          description: Redirect
        '400':
          $ref: '#/components/responses/ClerkErrors'
        '403':
          $ref: '#/components/responses/ClerkErrors'
        '422':
          $ref: '#/components/responses/ClerkErrors'
      tags:
      - Client
  /v1/client/link:
    get:
      summary: Link Clients Across Multiple Domains
      description: Complete a syncing process between a satellite and primary domains by linking their clients.
      operationId: linkClient
      parameters:
      - in: query
        name: __clerk_token
        schema:
          type: string
        description: The token generated from a sync request.
      responses:
        '307':
          description: Redirect
        '400':
          $ref: '#/components/responses/ClerkErrors'
        '403':
          $ref: '#/components/responses/ClerkErrors'
        '422':
          $ref: '#/components/responses/ClerkErrors'
      tags:
      - Client
  /v1/client/handshake:
    get:
      summary: Generate and Return a New Session Token for a Given Client.
      description: When the authentication status cannot be determined from the current session token, we initiate a handshake to refresh the token and send it back to the application. Called in server environments.
      tags:
      - Client
      operationId: handshakeClient
      parameters:
      - in: header
        name: Clerk-Proxy-Url
        description: The URL of the proxy
        schema:
          type: string
      - in: header
        name: Clerk-Secret-Key
        description: The secret key of the proxy
        schema:
          type: string
      - in: query
        name: redirect_url
        schema:
          type: string
        description: The URL to redirect back to after the handshake
      - in: query
        name: format
        allowEmptyValue: false
        required: false
        schema:
          type: string
          enum:
          - nonce
          - token
          default: token
        description: The supported format of the handshake payload.
      - in: query
        name: organization_id
        schema:
          type: string
        allowEmptyValue: true
        description: 'The organization ID or slug to attempt to set as active for the session. If this param is present but has no value,

          the personal account will be set as active. If the organization cannot be set as active (because it does not

          exist, or the user is not a member), the active organization for the session will not change.

          '
      - in: query
        name: satellite_fapi
        description: The Frontend API of the satellite domain
        schema:
          type: string
      responses:
        '307':
          description: Redirect
        '400':
          $ref: '#/components/responses/ClerkErrors'
        '403':
          $ref: '#/components/responses/ClerkErrors'
        '404':
          $ref: '#/components/responses/ClerkErrors'
        '422':
          $ref: '#/components/responses/ClerkErrors'
        '500':
          $ref: '#/components/responses/ClerkErrors'
  /v1/agents/tasks:
    get:
      x-speakeasy-group: agentTasks
      x-speakeasy-name-override: create
      summary: Create Session from Agent Task
      description: 'Creates a new session directly from an agent task without requiring navigation to the sign-in page.

        Agent tasks are single-use tokens created via the Backend API that bypass MFA requirements.


        The endpoint returns a redirect with a handshake cookie containing all session cookies,

        enabling cookie sync to the app domain in a single step. This is useful for browser

        automation tools (Puppeteer, Playwright) that need cookies on the application domain.

        '
      tags:
      - Client
      operationId: createAgentTask
      security:
      - {}
      - DevBrowser: []
      parameters:
      - in: query
        name: ticket
        required: true
        schema:
          type: string
        description: The agent task ticket value obtained from the Backend API.
      responses:
        '307':
          description: "Redirect to the `redirect_url` specified when the agent task was created.\n\nBefore redirecting, the URL is validated:\n- Must be a valid absolute URL with an `https` scheme in production.\n  In development instances, `http` is also permitted.\n- The URL's domain must belong to one of the instance's associated domains\n  (primary or satellite).\n\nIn production, the handshake payload is set as a cookie.\nIn development, the handshake payload is passed as a query parameter.\n"
        '400':
          $ref: '#/components/responses/ClerkErrors'
        '403':
          $ref: '#/components/responses/ClerkErrors'
        '404':
          $ref: '#/components/responses/ClerkErrors'
        '422':
          $ref: '#/components/responses/ClerkErrors'
        '500':
          $ref: '#/components/responses/ClerkErrors'
components:
  schemas:
    Stubs.Verification.GoogleOneTap:
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          enum:
          - verification_google_one_tap
        status:
          type: string
          enum:
          - unverified
          - verified
        strategy:
          type: string
          enum:
          - google_one_tap
        expire_at:
          type: integer
          nullable: true
        attempts:
          type: integer
          nullable: true
      required:
      - status
      - strategy
    Token:
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          description: 'String representing the object''s type. Objects of the same type share the same value.

            '
          enum:
          - token
        jwt:
          type: string
          description: 'String representing the encoded JWT value.

            '
      required:
      - object
      - jwt
    Stubs.Verification.SAML:
      type: object
      properties:
        object:
          type: string
          enum:
          - verification_saml
        status:
          type: string
          enum:
          - unverified
          - verified
          - failed
          - expired
          - transferable
        strategy:
          type: string
          enum:
          - saml
        external_verification_redirect_url:
          nullable: true
          type: string
        error:
          allOf:
          - $ref: '#/components/schemas/ClerkError'
          - type: object
            nullable: true
        expire_at:
          type: integer
          nullable: true
        attempts:
          type: integer
          nullable: true
      required:
      - status
      - strategy
    Client.PublicUserData:
      type: object
      additionalProperties: false
      properties:
        first_name:
          type: string
          nullable: true
        last_name:
          type: string
          nullable: true
        image_url:
          type: string
          nullable: true
        has_image:
          type: boolean
        identifier:
          type: string
        profile_image_url:
          type: string
          nullable: true
          deprecated: true
          description: Use `image_url` instead.
        user_id:
          type: string
          nullable: true
        username:
          type: string
          nullable: true
        banned:
          type: boolean
      required:
      - first_name
      - last_name
      - identifier
      - has_image
    Stubs.Verification.Password:
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          enum:
          - verification_password
        status:
          type: string
          enum:
          - unverified
          - verified
        strategy:
          type: string
          enum:
          - password
        attempts:
          type: integer
          nullable: true
        expire_at:
          type: integer
          nullable: true
      required:
      - status
      - strategy
    Client.DeleteSession:
      type: object
      additionalProperties: false
      properties:
        response:
          type: object
          nullable: true
          allOf:
          - $ref: '#/components/schemas/schemas-Client.Client'
        client:
          type: object
          nullable: true
      required:
      - response
      - client
    Client.EmailAddress:
      type: object
      additionalProperties: false
      properties:
        id:
          type: string
        object:
          type: string
          description: 'String representing the object''s type. Objects of the same type share the same value.

            '
          enum:
          - email_address
        email_address:
          type: string
        reserved:
          type: boolean
        verification:
          type: object
          nullable: true
          oneOf:
          - $ref: '#/components/schemas/Stubs.Verification.OTP'
          - $ref: '#/components/schemas/Stubs.Verification.Invitation'
          - $ref: '#/components/schemas/Stubs.Verification.Link'
          - $ref: '#/components/schemas/Stubs.Verification.Ticket'
          - $ref: '#/components/schemas/Stubs.Verification.Admin'
          - $ref: '#/components/schemas/Stubs.Verification.FromOauth'
          - $ref: '#/components/schemas/Stubs.Verification.SAML'
        linked_to:
          type: array
          items:
            $ref: '#/components/schemas/Stubs.Identification.Link'
        matches_sso_connection:
          description: 'Indicates whether this email address domain matches an active enterprise connection.

            '
          type: boolean
        created_at:
          type: integer
          format: int64
          description: 'Unix timestamp of creation

            '
        updated_at:
          type: integer
          format: int64
          description: 'Unix timestamp of creation

            '
      required:
      - id
      - object
      - email_address
      - verification
      - linked_to
      - reserved
      - created_at
      - updated_at
    Client.PhoneNumber:
      type: object
      additionalProperties: false
      properties:
        id:
          type: string
        object:
          type: string
          description: 'String representing the object''s type. Objects of the same type share the same value.

            '
          enum:
          - phone_number
        phone_number:
          type: string
        reserved_for_second_factor:
          type: boolean
        default_second_factor:
          type: boolean
        reserved:
          type: boolean
        verification:
          nullable: true
          type: object
          oneOf:
          - $ref: '#/components/schemas/Stubs.Verification.OTP'
          - $ref: '#/components/schemas/Stubs.Verification.Admin'
        linked_to:
          type: array
          items:
            $ref: '#/components/schemas/Stubs.Identification.Link'
        backup_codes:
          type: array
          items:
            type: string
          nullable: true
        created_at:
          type: integer
          format: int64
          description: 'Unix timestamp of creation

            '
        updated_at:
          type: integer
          format: int64
          description: 'Unix timestamp of creation

            '
      required:
      - id
      - object
      - phone_number
      - verification
      - linked_to
      - reserved
      - created_at
      - updated_at
    ClerkError:
      type: object
      properties:
        message:
          type: string
        long_message:
          type: string
        code:
          type: string
        meta:
          type: object
      required:
      - message
      - long_message
      - code
    Stubs.SignUpVerification.AdditionalFields:
      type: object
      properties:
        next_action:
          type: string
          enum:
          - needs_prepare
          - needs_attempt
          - ''
        supported_strategies:
          type: array
          items:
            type: string
      required:
      - next_action
      - supported_strategies
    schemas-Client.Session:
      allOf:
      - $ref: '#/components/schemas/schemas-Client.SessionBase'
      - type: object
        properties:
          last_active_organization_id:
            type: string
            nullable: true
          user:
            $ref: '#/components/schemas/Client.User'
          public_user_data:
            type: object
            nullable: true
            allOf:
            - $ref: '#/components/schemas/Client.PublicUserData'
          factor_verification_age:
            type: array
            description: Each item represents the minutes that have passed since the last time a first or second factor were verified.
            items:
              type: integer
          created_at:
            type: integer
            format: int64
            description: Unix timestamp of creation.
            example: 1700690400000
          updated_at:
            type: integer
            format: int64
            description: Unix timestamp of last update.
            example: 1700690400000
        required:
        - last_active_organization_id
        - public_user_data
        - factor_verification_age
        - created_at
        - updated_at
    Client.SAMLAccount:
      type: object
      additionalProperties: false
      properties:
        id:
          type: string
        object:
          type: string
          description: 'String representing the object''s type. Objects of the same type share the same value.

            '
          enum:
          - saml_account
        provider:
          type: string
        active:
          type: boolean
        email_address:
          type: string
        first_name:
          type: string
          nullable: true
        last_name:
          type: string
          nullable: true
        provider_user_id:
          description: The unique ID of the user in the external provider's system
          type: string
          nullable: true
        enterprise_connection_id:
          type: string
          nullable: true
        last_authenticated_at:
          type: integer
          format: int64
          nullable: true
          description: 'Unix timestamp of last authentication.

            '
        public_metadata:
          type: object
          additionalProperties: true
        verification:
          type: object
          nullable: true
          oneOf:
          - $ref: '#/components/schemas/Stubs.Verification.SAML'
          - $ref: '#/components/schemas/Stubs.Verification.Ticket'
        saml_connection:
          type: object
          nullable: true
          oneOf:
          - $ref: '#/components/schemas/Stubs.SAMLConnection.SAMLAccount'
      required:
      - id
      - object
      - provider
      - active
      - email_address
      - first_name
      - last_name
      - provider_user_id
      - public_metadata
      - saml_connection
      - verification
    schemas-Client.SessionBase:
      type: object
      properties:
        id:
          type: string
        object:
          type: string
          description: 'String representing the object''s type. Objects of the same type share the same value.

            '
          enum:
          - session
        status:
          type: string
          enum:
          - active
          - revoked
          - ended
          - expired
          - removed
          - abandoned
          - pending
        expire_at:
          type: integer
          format: int64
        abandon_at:
          type: integer
          format: int64
        last_active_at:
          type: integer
          format: int64
        last_active_token:
          type: object
          nullable: true
          allOf:
          - $ref: '#/components/schemas/Token'
        actor:
          type: object
          nullable: true
          additionalProperties: true
        tasks:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/Client.SessionTask'
      required:
      - id
      - object
      - status
      - expire_at
      - abandon_at
      - last_active_at
    Stubs.Verification.OTP:
      type: object
      properties:
        object:
          type: string
          enum:
          - verification_otp
        status:
          type: string
          enum:
          - unverified
          - verified
          - failed
          - expired
        strategy:
          type: string
          enum:
          - phone_code
          - email_code
          - reset_password_email_code
          - reset_password_phone_code
        attempts:
          type: integer
          nullable: true
        expire_at:
          type: integer
      required:
      - status
      - strategy
      - expire_at
    Stubs.SignInFactor:
      type: object
      additionalProperties: false
      properties:
        strategy:
          type: string
          enum:
          - ticket
          - password
          - email_code
          - email_link
          - phone_code
          - web3_metamask_signature
          - web3_base_signature
          - web3_coinbase_wallet_signature
          - web3_okx_wallet_signature
          - web3_solana_signature
          - totp
          - backup_code
          - oauth_apple
          - oauth_google
          - oauth_facebook
          - oauth_hubspot
          - oauth_github
          - oauth_mock
          - oauth_custom_mock
          - oauth_token_mock
          - saml
          - enterprise_sso
          - reset_password_email_code
          - reset_password_phone_code
          - passkey
          - google_one_tap
        safe_identifier:
          type: string
        enterprise_connection_id:
          type: string
        enterprise_connection_name:
          type: string
        email_address_id:
          type: string
        phone_number_id:
          type: string
        web3_wallet_id:
          type: string
        passkey_id:
          type: string
        primary:
          type: boolean
          nullable: true
        external_verification_redirect_url:
          nullable: true
          type: string
        default:
          type: boolean
      required:
      - strategy
    Stubs.Verification.Ticket:
      type: object
      properties:
        object:
          type: string
          enum:
          - verification_ticket
        status:
          type: string
          enum:
          - unverified
          - verified
          - expired
        strategy:
          type: string
          enum:
          - ticket
        attempts:
          type: integer
          nullable: true
        expire_at:
          type: integer
          nullable: true
      required:
      - status
      - strategy
    Stubs.Verification.Invitation:
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          enum:
          - verification_invitation
        status:
          type: string
          enum:
          - verified
        strategy:
          type: string
          enum:
          - invitation
        attempts:
          type: integer
          nullable: true
        expire_at:
          type: integer
          nullable: true
      required:
      - status
      - strategy
    Stubs.Verification.Web3Signature:
      type: object
      properties:
        object:
          type: string
          enum:
          - verification_web3
        status:
          type: string
          enum:
          - unverified
          - verified
          - failed
          - expired
        strategy:
          type: string
          enum:
          - web3_metamask_signature
          - web3_base_signature
          - web3_coinbase_wallet_signature
          - web3_okx_wallet_signature
          - web3_solana_signature
        attempts:
          type: integer
          nullable: true
        expire_at:
          type: integer
          nullable: true
        nonce:
          type: string
          nullable: true
        message:
          type: string
          nullable: true
      required:
      - status
      - strategy
    Stubs.Verification.Link:
      type: object
      properties:
        object:
          type: string
          enum:
          - verification_email_link
        status:
          type: string
          enum:
          - unverified
          - verified
          - failed
          - expired
          - transferable
        strategy:
          type: string
          enum:
          - email_link
        attempts:
          type: integer
          nullable: true
        expire_at:
          type: integer
        verified_at_client:
          type: string
      required:
      - status
      - strategy
      - expire_at
    verification_oauth:
      x-speakeasy-name-override: Oauth
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          enum:
          - verification_oauth
        status:
          type: string
          x-speakeasy-unknown-values: allow
          enum:
          - unverified
          - verified
          - failed
          - expired
          - transferable
        strategy:
          type: string
          x-speakeasy-unknown-values: allow
          pattern: ^oauth_(?:(?:token_)|(?:custom_))?[a-z]+$
        external_verification_redirect_url:
          type: string
        error:
          type: object
          nullable: true
          oneOf:
          - $ref: '#/components/schemas/ClerkError'
        expire_at:
          type: integer
        attempts:
          type: integer
          nullable: true
        verified_at_client:
          type: string
          nullable: true
      required:
      - status
      - strategy
      - attempts
      - expire_at
    schemas-Client.SignIn:
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          description: String representing the object's type. Objects of the same type share the same value.
          enum:
          - sign_in_attempt
        id:
          type: string
        status:
          type: string
          enum:
          - abandoned
          - needs_identifier
          - needs_first_factor
          - needs_second_factor
          - needs_client_trust
          - needs_new_password
          - needs_protect_check
          - complete
        supported_identifiers:
          type: array
          description: List of supported identifiers that can be used to sign in.
          items:
            type: string
            enum:
            - email_address
            - phone_number
            - username
            - web3_wallet
            - passkey
        supported_first_factors:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/Stubs.SignInFactor'
        supported_second_factors:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/Stubs.SignInFactor'
        first_factor_verification:
          type: object
          nullable: true
          oneOf:
          - $ref: '#/components/schemas/Stubs.Verification.Password'
          - $ref: '#/components/schemas/Stubs.Verification.Oauth'
          - $ref: '#/components/schemas/Stubs.Verification.OTP'
          - $ref: '#/components/schemas/Stubs.Verification.Link'
          - $ref: '#/components/schemas/Stubs.Verification.Web3Signature'
          - $ref: '#/components/schemas/Stubs.Verification.Ticket'
          - $ref: '#/components/schemas/Stubs.Verification.SAML'
          - $ref: '#/components/schemas/Stubs.Verification.Passkey'
          - $ref: '#/components/schemas/Stubs.Verification.GoogleOneTap'
        second_factor_verification:
          type: object
          nullable: true
          oneOf:
          - $ref: '#/components/schemas/Stubs.Verification.OTP'
          - $ref: '#/components/schemas/Stubs.Verification.Link'
          - $ref: '#/components/schemas/Stubs.Verification.TOTP'
          - $ref: '#/components/schemas/Stubs.Verification.Ticket'
          - $ref: '#/components/schemas/Stubs.Verification.BackupCode'
        identifier:
          nullable: true
          type: string
        user_data:
          type: object
          additionalProperties: false
          nullable: true
          properties:
            first_name:
              type: string
              nullable: true
            last_name:
              type: string
              nullable: true
            image_url:
              type: string
            has_image:
              type: boolean
            profile_image_url:
              type: string
              nullable: true
              deprecated: true
              description: Use `image_url` instead.
          required:
          - first_name
          - last_name
          - has_image
        created_session_id:
          nullable: true
          type: string
        abandon_at:
          type: integer
          format: int64
          description: Unix timestamp at which the sign in will be abandoned.
          example: 1700690400000
        client_trust_state:
          type: string
          nullable: true
          description: 'The trust state of the client for this sign-in attempt. - `pending`: The identifier has not been set yet. - `new`: The user has not had a session on this client before. - `known`: The user has had a session on this client before.

            '
          enum:
          - pending
          - new
          - known
      required:
      - object
      - id
      - status
      - supported_identifiers
      - supported_first_factors
      - supported_second_factors
      - first_factor_verification
      - second_factor_verification
      - identifier
      - user_data
      - created_session_id
      - abandon_at
    Client.ClientWrappedClient:
      type: object
      additionalProperties: false
      properties:
        response:
          type: object
          nullable: true
          allOf:
          - $ref: '#/components/schemas/schemas-Client.Client'
        client:
          type: object
          nullable: true
          allOf:
          - $ref: '#/components/schemas/schemas-Client.Client'
      required:
      - response
      - client
    verification_google_one_tap:
      x-speakeasy-name-override: GoogleOneTap
      type: object
      additionalProperties: false
      properties:
        object:
          type: string
          enum:
          - verification_google_one_tap
        status:
          type: string
          enum:
          - unverified
          - verified
        strategy:
          type: string
          enum:
          - google_one_tap
        expire_at:
          type: integer
          nullable: true
        attempts:
          type: integer
          nullable: true
        verified_at_client:
          type: string
          nullable: true
        error:
          type: object
          nullable: true
          oneOf:
          - $ref: '#/components/schemas/ClerkError'
      required:
      - status
      - strategy
      - attempts
      - expire_at
    ExternalAccountWithVerification:
      type: object
      additionalProperties: true
      properties:
        object:
          type: string
          description: String representing the object's type. Objects of the same type share the same value.
          enum:
          - external_account
          - facebook_account
          - google_account
        id:
          type: string
        provider:
          type: string
        identification_id:
          type: string
        provider_user_id:
          description: The unique ID of the user in the external provider's system
          type: string
        approved_scopes:
          type: string
        email_address:
          type: string
        email_address_verified:
          type: boolean
          nullable: true
          description: 'Whether the email was verified by the OAuth provider at creation time. null = unknown (pre-migration data or custom OAuth providers), true = provider confirmed email was verified, false = provider confirmed email was NOT verified

            '
        first_name:
          type: string
        last_name:
          type: string
        avatar_url:
          type: string
          deprecated: true
          description: Please use `image_url` instead
        image_url:
          type: string
          nullable: true
        username:
          type: string
          nullable: true
        phone_number:
          type: string
          nullable: true
        public_metadata:
          type: object
          additionalProperties: true
        label:
          type: string
          nullable: true
        created_at:
          type: integer
          format: int64
          description: 'Unix timestamp of creation

            '
        updated_at:
          type: integer
          format: int64
          description: 'Unix timestamp of creation

           

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# Full source: https://raw.githubusercontent.com/api-evangelist/clerk-com/refs/heads/main/openapi/clerk-com-client-api-openapi.yml