Gett

Gett Authentication API

OAuth 2.0 token management

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OpenAPI Specification

openapi: 3.0.3
info:
  title: Gett Business Authentication API
  description: 'REST API for corporate ground transportation that enables businesses to book on-demand and pre-scheduled rides (up to 30 days in advance), manage employees, retrieve reports, access receipts, and receive real-time webhook notifications about order status changes.

    '
  version: '1.0'
  contact:
    name: Gett Developer Support
    url: https://developer.gett.com/docs/contact-us
  termsOfService: https://developer.gett.com/docs/tnc
servers:
- url: https://business-api.gett.com
  description: Gett Business API Production Server
security:
- bearerAuth: []
tags:
- name: Authentication
  description: OAuth 2.0 token management
paths:
  /oauth/token:
    post:
      summary: Get Access Token
      description: 'Obtain an OAuth 2.0 bearer token using Client Credentials flow. The token is valid for 899 seconds (approximately 15 minutes).

        '
      operationId: getAccessToken
      security: []
      tags:
      - Authentication
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - grant_type
              - client_id
              - client_secret
              - scope
              properties:
                grant_type:
                  type: string
                  enum:
                  - client_credentials
                  description: OAuth 2.0 grant type
                client_id:
                  type: string
                  description: Client ID issued from Settings - Integrations setup
                client_secret:
                  type: string
                  description: Client secret issued from Settings - Integrations setup
                scope:
                  type: string
                  description: 'Space-delimited permission scopes. Available scopes: order, company.reference, finance

                    '
                  example: order
      responses:
        '200':
          description: Access token response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AccessToken'
        '400':
          description: Bad request - invalid parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized - invalid credentials
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Error:
      type: object
      properties:
        error:
          type: string
          description: Error code
        message:
          type: string
          description: Human-readable error description
        status:
          type: integer
          description: HTTP status code
    AccessToken:
      type: object
      properties:
        access_token:
          type: string
          description: JWT bearer token for authenticated API requests
        expires_in:
          type: integer
          description: Token validity period in seconds (typically 899)
        scope:
          type: string
          description: Granted permission scope
        token_type:
          type: string
          enum:
          - bearer
          description: Token type
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Bearer token obtained from /oauth/token endpoint. Valid for 899 seconds.

        '