Fiserv BankingHub API — Payments

naftiko: 1.0.0-alpha2
info:
  label: Fiserv BankingHub API — Payments
  description: 'Fiserv BankingHub API — Payments. 2 operations. Lead operation: Fiserv Process a payment. Self-contained Naftiko
    capability covering one Fiserv business surface.'
  tags:
  - Fiserv
  - Payments
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    FISERV_API_KEY: FISERV_API_KEY
capability:
  consumes:
  - type: http
    namespace: bankinghub-payments
    baseUri: https://cert.api.fiservapps.com
    description: Fiserv BankingHub API — Payments business capability. Self-contained, no shared references.
    resources:
    - name: banking-payments
      path: /banking/payments
      operations:
      - name: createpayment
        method: POST
        description: Fiserv Process a payment
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: banking-payments-paymentId-reverse
      path: /banking/payments/{paymentId}/reverse
      operations:
      - name: reversepayment
        method: POST
        description: Fiserv Reverse a payment
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: paymentId
          in: path
          type: string
          description: The unique payment identifier.
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    authentication:
      type: bearer
      token: '{{env.FISERV_API_KEY}}'
  exposes:
  - type: rest
    namespace: bankinghub-payments-rest
    port: 8080
    description: REST adapter for Fiserv BankingHub API — Payments. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/banking/payments
      name: banking-payments
      description: REST surface for banking-payments.
      operations:
      - method: POST
        name: createpayment
        description: Fiserv Process a payment
        call: bankinghub-payments.createpayment
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/banking/payments/{paymentid}/reverse
      name: banking-payments-paymentid-reverse
      description: REST surface for banking-payments-paymentId-reverse.
      operations:
      - method: POST
        name: reversepayment
        description: Fiserv Reverse a payment
        call: bankinghub-payments.reversepayment
        with:
          paymentId: rest.paymentId
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: bankinghub-payments-mcp
    port: 9090
    transport: http
    description: MCP adapter for Fiserv BankingHub API — Payments. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: fiserv-process-payment
      description: Fiserv Process a payment
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: bankinghub-payments.createpayment
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: fiserv-reverse-payment
      description: Fiserv Reverse a payment
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: bankinghub-payments.reversepayment
      with:
        paymentId: tools.paymentId
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.