openapi: 3.1.0
info:
  title: Genome Payments Host-to-Host API
  description: 'Genome merchant payments API. Includes the Payout API for sending funds to

    cardholders (full card or tokenized card) and the Host-to-Host API for

    processing card transactions (AUTH, AUTH3D, SALE, SALE3D, SETTLE, REFUND,

    VOID, CHECK). All endpoints accept application/x-www-form-urlencoded

    serialized key-value pairs; the host-to-host endpoint also accepts JSON.

    Each request is authenticated using merchant_account and merchant_password

    credentials issued by Genome.

    '
  version: 1.0.0
  contact:
    name: Genome Developer Documentation
    url: https://developers.genome.eu/
servers:
- url: https://api.genome.eu
  description: Production
tags:
- name: Host-to-Host
  description: Direct card processing
paths:
  /api/pf/host-to-host:
    post:
      tags:
      - Host-to-Host
      summary: Process a card transaction
      description: 'Submit a card transaction. The transaction_type parameter determines

        the operation (AUTH, AUTH3D, SALE, SALE3D, SETTLE, REFUND, VOID, CHECK).

        '
      operationId: processTransaction
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              $ref: '#/components/schemas/HostToHostRequest'
          application/json:
            schema:
              $ref: '#/components/schemas/HostToHostRequest'
      responses:
        '200':
          description: Transaction response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransactionResponse'
        '400':
          $ref: '#/components/responses/Error'
        '401':
          $ref: '#/components/responses/Error'
components:
  responses:
    Error:
      description: Error response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    TransactionResponse:
      type: object
      properties:
        sessionid:
          type: string
        timestamp:
          type: integer
        status:
          type: string
          enum:
          - pending
          - success
          - decline
          - error
        code:
          type: integer
        message:
          type: string
        redirect_url:
          type: string
          description: Present for 3DS flows
    Error:
      type: object
      properties:
        status:
          type: string
        code:
          type: integer
        message:
          type: string
    HostToHostRequest:
      type: object
      required:
      - api_version
      - merchant_account
      - merchant_password
      - transaction_type
      - transaction_unique_id
      properties:
        api_version:
          type: string
          example: '1'
        merchant_account:
          type: string
        merchant_password:
          type: string
        transaction_type:
          type: string
          enum:
          - AUTH
          - AUTH3D
          - SALE
          - SALE3D
          - SETTLE
          - REFUND
          - VOID
          - CHECK
        transaction_unique_id:
          type: string
        amount:
          type: string
        currency:
          type: string
        callback_url:
          type: string
          format: uri
        user_id:
          type: string
        user_email:
          type: string
          format: email
        user_ip:
          type: string
        card:
          type: object
          properties:
            card_number:
              type: string
            card_exp_month:
              type: string
            card_exp_year:
              type: string
            card_cvv:
              type: string
            card_holder:
              type: string
            card_token:
              type: string