HubSpot Auth OAuth API

openapi: 3.0.1
info:
  title: HubSpot Auth OAuth
  description: Basepom for all HubSpot Projects
  version: 2026-09
  x-hubspot-product-tier-requirements:
    marketing: FREE
    sales: FREE
    service: FREE
    cms: FREE
    commerce: FREE
    crmHub: FREE
    dataHub: FREE
servers:
- url: https://api.hubapi.com
tags:
- name: Advanced
paths:
  /oauth/2026-09/token:
    post:
      tags:
      - Advanced
      summary: OAuth token endpoint
      description: Authenticates a client and returns access and refresh tokens.
      operationId: post-/oauth/2026-09/token_/oauth/v3/token
      parameters: []
      requestBody:
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                client_assertion:
                  type: string
                client_assertion_type:
                  type: string
                client_id:
                  type: string
                client_secret:
                  type: string
                code:
                  type: string
                code_verifier:
                  type: string
                grant_type:
                  type: string
                  enum:
                  - authorization_code
                  - client_credentials
                  - refresh_token
                redirect_uri:
                  type: string
                refresh_token:
                  type: string
                scope:
                  type: string
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponseIF'
        default:
          description: ''
          $ref: '#/components/responses/Error'
  /oauth/2026-09/token/introspect:
    post:
      tags:
      - Advanced
      summary: Token introspection endpoint
      description: Returns validity and metadata for access and refresh tokens.
      operationId: post-/oauth/2026-09/token/introspect_/oauth/v3/token/introspect
      parameters: []
      requestBody:
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                client_id:
                  type: string
                client_secret:
                  type: string
                token:
                  type: string
                token_type_hint:
                  type: string
      responses:
        '200':
          description: successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenInfoResponseBaseIF'
        default:
          description: ''
          $ref: '#/components/responses/Error'
  /oauth/2026-09/token/revoke:
    post:
      tags:
      - Advanced
      summary: Token Revocation endpoint
      description: Deletes/Revokes provided Refresh Token
      operationId: post-/oauth/2026-09/token/revoke_/oauth/v3/token/revoke
      parameters: []
      requestBody:
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                client_id:
                  type: string
                client_secret:
                  type: string
                token:
                  type: string
                token_type_hint:
                  type: string
      responses:
        default:
          description: ''
          $ref: '#/components/responses/Error'
components:
  schemas:
    AccessTokenResponse:
      required:
      - access_token
      - expires_in
      - refresh_token
      - token_type
      - token_use
      type: object
      properties:
        access_token:
          type: string
        expires_in:
          type: integer
          format: int64
        hub_id:
          type: integer
          format: int32
        id_token:
          type: string
        refresh_token:
          type: string
        scopes:
          type: array
          items:
            type: string
        token_type:
          type: string
        token_use:
          type: string
          default: access_token
          enum:
          - access_token
        user_id:
          type: integer
          format: int32
      x-hubspot-sub-type-impl: true
    ClientCredentialsTokenResponse:
      required:
      - access_token
      - expires_in
      - token_type
      - token_use
      type: object
      properties:
        access_token:
          type: string
        expires_in:
          type: integer
          format: int64
        hub_id:
          type: integer
          format: int32
        id_token:
          type: string
        scopes:
          type: array
          items:
            type: string
        token_type:
          type: string
        token_use:
          type: string
          default: client_credentials
          enum:
          - client_credentials
        user_id:
          type: integer
          format: int32
      x-hubspot-sub-type-impl: true
    Error:
      required:
      - category
      - correlationId
      - message
      type: object
      properties:
        category:
          type: string
          description: The error category
        context:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: Context about the error condition
          example: '{invalidPropertyName=[propertyValue], missingScopes=[scope1, scope2]}'
        correlationId:
          type: string
          description: A unique identifier for the request. Include this value with any error reports
            or support tickets
          format: uuid
          example: aeb5f871-7f07-4993-9211-075dc63e7cbf
        errors:
          type: array
          description: further information about the error
          items:
            $ref: '#/components/schemas/ErrorDetail'
        links:
          type: object
          additionalProperties:
            type: string
          description: A map of link names to associated URIs containing documentation about the error
            or recommended remediation steps
        message:
          type: string
          description: A human readable message describing the error along with remediation steps where
            appropriate
          example: An error occurred
        subCategory:
          type: string
          description: A specific category that contains more specific detail about the error
      description: Represents an error response returned by the API when an operation fails. This component
        is used in various endpoints to provide detailed information about the error encountered.
      example:
        message: Invalid input (details will vary based on the error)
        correlationId: aeb5f871-7f07-4993-9211-075dc63e7cbf
        category: VALIDATION_ERROR
        links:
          knowledge-base: https://www.hubspot.com/products/service/knowledge-base
    ErrorDetail:
      required:
      - message
      type: object
      properties:
        code:
          type: string
          description: The status code associated with the error detail
        context:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
          description: Context about the error condition
          example: '{missingScopes=[scope1, scope2]}'
        in:
          type: string
          description: The name of the field or parameter in which the error was found.
        message:
          type: string
          description: A human readable message describing the error along with remediation steps where
            appropriate
        subCategory:
          type: string
          description: A specific category that contains more specific detail about the error
      description: Represents detailed information about an error that occurred in the API. This component
        is used to provide additional context and specifics about errors, typically as part of an error
        response.
    PublicAccessTokenInfoResponse:
      required:
      - active
      - app_id
      - client_id
      - expires_in
      - hub_id
      - is_private_distribution
      - scopes
      - signed_access_token
      - token
      - token_type
      - token_use
      - user_id
      type: object
      properties:
        active:
          type: boolean
        app_id:
          type: integer
          format: int32
        client_id:
          type: string
        expires_in:
          type: integer
          format: int64
        hub_domain:
          type: string
        hub_id:
          type: integer
          format: int32
        is_private_distribution:
          type: boolean
        scopes:
          type: array
          items:
            type: string
        signed_access_token:
          $ref: '#/components/schemas/SignedAccessToken'
        token:
          type: string
        token_type:
          type: string
        token_use:
          type: string
          default: access_token
          enum:
          - access_token
        user:
          type: string
        user_id:
          type: integer
          format: int32
      x-hubspot-sub-type-impl: true
    PublicRefreshTokenInfoResponse:
      required:
      - active
      - app_id
      - client_id
      - hub_id
      - scopes
      - token
      - token_type
      - token_use
      - user_id
      type: object
      properties:
        active:
          type: boolean
        app_id:
          type: integer
          format: int32
        client_id:
          type: string
        hub_domain:
          type: string
        hub_id:
          type: integer
          format: int32
        scopes:
          type: array
          items:
            type: string
        token:
          type: string
        token_type:
          type: string
        token_use:
          type: string
          default: refresh_token
          enum:
          - refresh_token
        user:
          type: string
        user_id:
          type: integer
          format: int32
      x-hubspot-sub-type-impl: true
    SignedAccessToken:
      required:
      - appId
      - appInstallId
      - audience
      - expiresAt
      - hubId
      - hublet
      - installingUserId
      - isPrivateDistribution
      - isServiceAccount
      - isUserLevel
      - newSignature
      - scopeToScopeGroupPks
      - scopes
      - signature
      - trialScopeToScopeGroupPks
      - trialScopes
      - userId
      type: object
      properties:
        appId:
          type: integer
          format: int32
        appInstallId:
          type: string
        audience:
          type: string
        expiresAt:
          type: integer
          format: int64
        hubId:
          type: integer
          format: int32
        hublet:
          type: string
        installingUserId:
          type: integer
          format: int32
        isPrivateDistribution:
          type: boolean
        isServiceAccount:
          type: boolean
        isUserLevel:
          type: boolean
        newSignature:
          type: string
        scopeToScopeGroupPks:
          type: string
        scopes:
          type: string
        signature:
          type: string
        trialScopeToScopeGroupPks:
          type: string
        trialScopes:
          type: string
        userId:
          type: integer
          format: int32
    TokenInfoResponseBaseIF:
      properties: {}
      oneOf:
      - $ref: '#/components/schemas/PublicAccessTokenInfoResponse'
      - $ref: '#/components/schemas/PublicRefreshTokenInfoResponse'
    TokenResponseIF:
      properties: {}
      oneOf:
      - $ref: '#/components/schemas/AccessTokenResponse'
      - $ref: '#/components/schemas/ClientCredentialsTokenResponse'
  responses:
    Error:
      description: An error occurred.
      content:
        '*/*':
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    developer_hapikey:
      type: apiKey
      name: hapikey
      in: query
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://app.hubspot.com/oauth/authorize
          tokenUrl: https://api.hubapi.com/oauth/v1/token
          scopes: {}
    private_apps:
      type: apiKey
      name: private-app
      in: header
    private_apps_legacy:
      type: apiKey
      name: private-app-legacy
      in: header
x-hubspot-product-tier-requirements:
  marketing: FREE
  sales: FREE
  service: FREE
  cms: FREE
  commerce: FREE
  crmHub: FREE
  dataHub: FREE