# Source: https://developers.notion.com/reference/introspect-token.md

> ## Documentation Index
> Fetch the complete documentation index at: https://developers.notion.com/llms.txt
> Use this file to discover all available pages before exploring further.

> Get a token's active status, scope, and issued time.

# Introspect a token



## OpenAPI

````yaml post /v1/oauth/introspect
openapi: 3.1.0
info:
  title: Notion API
  version: 1.0.0
  termsOfService: >-
    https://notion.notion.site/Terms-and-Privacy-28ffdd083dc3473e9c2da6ec011b58ac
servers:
  - url: https://api.notion.com
security:
  - bearerAuth: []
tags:
  - name: Databases
    description: Database endpoints
  - name: Data sources
    description: Data source endpoints
  - name: Pages
    description: Page endpoints
  - name: Blocks
    description: Block endpoints
  - name: Comments
    description: Comment endpoints
  - name: File uploads
    description: File upload endpoints
  - name: OAuth
    description: OAuth endpoints (basic authentication)
  - name: Users
    description: User endpoints
  - name: Search
    description: Search endpoints
paths:
  /v1/oauth/introspect:
    post:
      tags:
        - OAuth
      summary: Introspect a token
      operationId: introspect-token
      parameters:
        - $ref: '#/components/parameters/notionVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                token:
                  type: string
              required:
                - token
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  active:
                    type: boolean
                  scope:
                    type: string
                  iat:
                    type: integer
                  request_id:
                    type: string
                    format: uuid
                required:
                  - active
        '400':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_oauth_400'
        '401':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_oauth_401'
        '403':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_oauth_403'
        '500':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_oauth_500'
      security:
        - basicAuth: []
components:
  parameters:
    notionVersion:
      name: Notion-Version
      in: header
      required: true
      schema:
        enum:
          - '2025-09-03'
      description: >-
        The [API version](/reference/versioning) to use for this request. The
        latest version is `2025-09-03`.
  schemas:
    error_oauth_400:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - invalid_request
                - invalid_grant
                - unauthorized_client
                - unsupported_grant_type
                - invalid_scope
            status:
              const: 400
          required:
            - code
            - status
          additionalProperties: false
    error_oauth_401:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - invalid_client
            status:
              const: 401
          required:
            - code
            - status
          additionalProperties: false
    error_oauth_403:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - test_env_error
            status:
              const: 403
          required:
            - code
            - status
          additionalProperties: false
    error_oauth_500:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - internal_server_error
            status:
              const: 500
          required:
            - code
            - status
          additionalProperties: false
    publicApiCommonErrorResponse:
      type: object
      properties:
        object:
          const: error
        message:
          type: string
        additional_data:
          type: object
          additionalProperties:
            oneOf:
              - type: string
              - type: array
                items:
                  type: string
      required:
        - object
        - message
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
    basicAuth:
      type: http
      scheme: basic

````