Finix — Accept a card payment (auth + capture)

arazzo: 1.0.1
info:
  title: Finix — Accept a card payment (auth + capture)
  version: 1.0.0
  summary: Create a buyer Identity, tokenize a card, authorize, then capture into a Transfer.
sourceDescriptions:
  - name: finix
    url: ../openapi/finix-payments-openapi-original.yml
    type: openapi
workflows:
  - workflowId: acceptCardPayment
    summary: Authorize and capture a card payment.
    description: >-
      Full auth-and-capture flow. Requires HTTP Basic Auth and the Finix-Version 2022-02-01 header.
      Seed amount from sandbox/finix-payments-sandbox.yml to run in test mode.
    inputs:
      type: object
      properties:
        merchant_id: {type: string}
        amount: {type: integer}
        currency: {type: string, default: USD}
      required: [merchant_id, amount]
    steps:
      - stepId: createBuyer
        operationId: createIdentity
        outputs:
          identity_id: $response.body#/id
      - stepId: tokenizeCard
        operationId: createPaymentInstrument
        parameters:
          - name: identity
            in: query
            value: $steps.createBuyer.outputs.identity_id
        outputs:
          instrument_id: $response.body#/id
      - stepId: authorize
        operationId: createAuthorization
        outputs:
          authorization_id: $response.body#/id
      - stepId: capture
        operationId: captureAuthorization
        parameters:
          - name: authorization_id
            in: path
            value: $steps.authorize.outputs.authorization_id
        outputs:
          transfer_id: $response.body#/transfer
    outputs:
      transfer_id: $steps.capture.outputs.transfer_id