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OpenAPI Specification

openapi: 3.0.3
info:
  title: Splitit Account Management System Authentication API
  description: API for onboarding and managing sub-merchants on the Splitit platform. Enables payment facilitators and marketplace operators to add merchant partners, upload compliance documents, send onboarding invitations, monitor approval status, retrieve pending accounts, and generate time-limited secure login links for merchant portal access.
  version: '1.0'
  contact:
    name: Splitit Developer Support
    url: https://developers.splitit.com/
  license:
    name: Proprietary
servers:
- url: https://webapi.production.splitit.com
  description: Production
- url: https://web-api-v3.sandbox.splitit.com
  description: Sandbox
security:
- bearerAuth: []
tags:
- name: Authentication
  description: Obtain access tokens
paths:
  /token:
    post:
      tags:
      - Authentication
      operationId: getToken
      summary: Get Splitit Token
      description: Authenticate using your client_id and client_secret to obtain a Bearer access token for use in all subsequent API calls.
      security: []
      servers:
      - url: https://id.production.splitit.com/connect
        description: Production Identity Server
      - url: https://id.sandbox.splitit.com/connect
        description: Sandbox Identity Server
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - grant_type
              - client_id
              - client_secret
              properties:
                grant_type:
                  type: string
                  enum:
                  - client_credentials
                client_id:
                  type: string
                  description: API Username from Merchant Hub
                client_secret:
                  type: string
                  description: Active API password from Merchant Hub
                scope:
                  type: string
                  example: api.v1 api.v3
      responses:
        '200':
          description: Access token issued successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '401':
          description: Invalid credentials
components:
  schemas:
    TokenResponse:
      type: object
      properties:
        access_token:
          type: string
        token_type:
          type: string
          example: Bearer
        expires_in:
          type: integer
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT