swagger: '2.0'
info:
  title: Mastercard Bill Payment Validator Account Opening Widgets API
  description: This service is provided on behalf of the Mastercard Remote Payment and Presentment (RPPS) Bill Payment Processing Network, which supports consumer to business "push" bill payments (i.e. those which are not funded by debit/credit card transactions) in the U.S.
  version: '1.0'
  x-artifactId: billpay-api
  contact:
    name: Bill Pay Development Support
    email: Bill_Pay_Development_Support@mastercard.com
host: sandbox.api.mastercard.com
basePath: /billpayAPI/v1
schemes:
- https
consumes:
- application/json
produces:
- application/json
tags:
- name: Widgets
paths:
  /widgets/access-tokens:
    get:
      tags:
      - Widgets
      description: Generate a new access token for the vendor site.
      summary: Generate Access Token
      operationId: generateBenefitsAccessToken
      responses:
        '200':
          $ref: '#/components/responses/AccessToken'
        '401':
          $ref: '#/components/responses/UnauthorizedError'
components:
  responses:
    UnauthorizedError:
      description: Unauthorized - Access Not Granted
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorWrapper'
          examples:
            UnauthorizedExample:
              $ref: '#/components/examples/UnauthorizedExample'
    AccessToken:
      description: Returns Token for cardholder
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/BenefitsAccessToken'
  schemas:
    Errors:
      description: Object that contains the list of errors
      type: object
      required:
      - Error
      properties:
        Error:
          $ref: '#/components/schemas/ErrorList'
    ErrorWrapper:
      description: A top level object for errors
      type: object
      required:
      - Errors
      properties:
        Errors:
          $ref: '#/components/schemas/Errors'
    ErrorList:
      description: The list of errors
      type: array
      minItems: 1
      items:
        $ref: '#/components/schemas/Error'
    BenefitsAccessToken:
      type: object
      properties:
        accessToken:
          description: The String (text) representation of Benefits Access Token
          type: string
          example: hereeyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIyMDIzMTIxMjA5MjMzNC1zdGFnZS1iZW5lZml0cy1hY2Nlc3MtbWFzdGVyY2FyZC1jb20iLCJ0ZXN0IjoidGVzdCIsImV4cCI6MTcwNTkxNjUzNiwiaWF0IjoxNzA1OTEyOTM2fQ.6NGFRgiy_7TayB366Eupz-xmro6Sb9kpwLY35IHoQDs
    Error:
      description: A single error
      type: object
      properties:
        Source:
          type: string
          minLength: 0
          maxLength: 200
          description: Information about where the error happened
          example: ELIGIBILITY_BENEFITS_API
        ReasonCode:
          type: string
          minLength: 0
          maxLength: 200
          description: An error code
          example: BAD_REQUEST
        Description:
          type: string
          minLength: 0
          maxLength: 10000
          description: A description of the error
          example: We couldn't handle your request
        Recoverable:
          type: boolean
          description: Indicates if the request can be presented again for processing
          example: false
        Details:
          type: string
          minLength: 0
          maxLength: 10000
          description: More details about the error
          example: Invalid JSON payload
  examples:
    UnauthorizedExample:
      value:
        Errors:
          Error:
          - Source: Gateway
            ReasonCode: DECLINED
            Description: Unauthorized - Access Not Granted
            Recoverable: false
            Details: null