Fiserv BankingHub API

naftiko: 1.0.0-alpha2
info:
  label: Fiserv BankingHub API
  description: The Fiserv BankingHub API provides RESTful access to core banking operations including account management,
    transactions, transfers, payments, and party (customer) management. BankingHub enables financial institutions and fintech
    partners to integrate account opening, fund transfers, payment processing, and customer data management into their applications.
  tags:
  - Fiserv
  - API
  created: '2026-05-06'
  modified: '2026-05-06'
capability:
  consumes:
  - type: http
    namespace: fiserv
    baseUri: https://cert.api.fiservapps.com
    description: Fiserv BankingHub API HTTP API.
    authentication:
      type: bearer
      token: '{{FISERV_TOKEN}}'
    resources:
    - name: banking-accounts
      path: /banking/accounts
      operations:
      - name: addaccount
        method: POST
        description: Fiserv Create a new account
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-accounts-accountid
      path: /banking/accounts/{accountId}
      operations:
      - name: getaccount
        method: GET
        description: Fiserv Retrieve account details
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: updateaccount
        method: PATCH
        description: Fiserv Update account details
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-accounts-accountid-transactions
      path: /banking/accounts/{accountId}/transactions
      operations:
      - name: listtransactions
        method: GET
        description: Fiserv List account transactions
        inputParameters:
        - name: fromDate
          in: query
          type: string
          description: Start date for the transaction search range.
        - name: toDate
          in: query
          type: string
          description: End date for the transaction search range.
        - name: transactionType
          in: query
          type: string
          description: Filter by transaction type.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-transfers
      path: /banking/transfers
      operations:
      - name: createtransfer
        method: POST
        description: Fiserv Initiate a fund transfer
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-transfers-transferid
      path: /banking/transfers/{transferId}
      operations:
      - name: gettransfer
        method: GET
        description: Fiserv Retrieve transfer details
        inputParameters:
        - name: transferId
          in: path
          type: string
          required: true
          description: The unique transfer identifier.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-payments
      path: /banking/payments
      operations:
      - name: createpayment
        method: POST
        description: Fiserv Process a payment
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-payments-paymentid-reverse
      path: /banking/payments/{paymentId}/reverse
      operations:
      - name: reversepayment
        method: POST
        description: Fiserv Reverse a payment
        inputParameters:
        - name: paymentId
          in: path
          type: string
          required: true
          description: The unique payment identifier.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-parties
      path: /banking/parties
      operations:
      - name: addparty
        method: POST
        description: Fiserv Create a customer party
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: banking-parties-partyid
      path: /banking/parties/{partyId}
      operations:
      - name: getparty
        method: GET
        description: Fiserv Retrieve party details
        inputParameters:
        - name: partyId
          in: path
          type: string
          required: true
          description: The unique party identifier.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: updateparty
        method: PATCH
        description: Fiserv Update party details
        inputParameters:
        - name: partyId
          in: path
          type: string
          required: true
          description: The unique party identifier.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
  exposes:
  - type: rest
    port: 8080
    namespace: fiserv-rest
    description: REST adapter for Fiserv BankingHub API.
    resources:
    - path: /banking/accounts
      name: addaccount
      operations:
      - method: POST
        name: addaccount
        description: Fiserv Create a new account
        call: fiserv.addaccount
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/accounts/{accountId}
      name: getaccount
      operations:
      - method: GET
        name: getaccount
        description: Fiserv Retrieve account details
        call: fiserv.getaccount
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/accounts/{accountId}
      name: updateaccount
      operations:
      - method: PATCH
        name: updateaccount
        description: Fiserv Update account details
        call: fiserv.updateaccount
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/accounts/{accountId}/transactions
      name: listtransactions
      operations:
      - method: GET
        name: listtransactions
        description: Fiserv List account transactions
        call: fiserv.listtransactions
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/transfers
      name: createtransfer
      operations:
      - method: POST
        name: createtransfer
        description: Fiserv Initiate a fund transfer
        call: fiserv.createtransfer
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/transfers/{transferId}
      name: gettransfer
      operations:
      - method: GET
        name: gettransfer
        description: Fiserv Retrieve transfer details
        call: fiserv.gettransfer
        with:
          transferId: rest.transferId
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/payments
      name: createpayment
      operations:
      - method: POST
        name: createpayment
        description: Fiserv Process a payment
        call: fiserv.createpayment
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/payments/{paymentId}/reverse
      name: reversepayment
      operations:
      - method: POST
        name: reversepayment
        description: Fiserv Reverse a payment
        call: fiserv.reversepayment
        with:
          paymentId: rest.paymentId
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/parties
      name: addparty
      operations:
      - method: POST
        name: addparty
        description: Fiserv Create a customer party
        call: fiserv.addparty
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/parties/{partyId}
      name: getparty
      operations:
      - method: GET
        name: getparty
        description: Fiserv Retrieve party details
        call: fiserv.getparty
        with:
          partyId: rest.partyId
        outputParameters:
        - type: object
          mapping: $.
    - path: /banking/parties/{partyId}
      name: updateparty
      operations:
      - method: PATCH
        name: updateparty
        description: Fiserv Update party details
        call: fiserv.updateparty
        with:
          partyId: rest.partyId
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    port: 9090
    namespace: fiserv-mcp
    transport: http
    description: MCP adapter for Fiserv BankingHub API for AI agent use.
    tools:
    - name: addaccount
      description: Fiserv Create a new account
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fiserv.addaccount
      outputParameters:
      - type: object
        mapping: $.
    - name: getaccount
      description: Fiserv Retrieve account details
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: fiserv.getaccount
      outputParameters:
      - type: object
        mapping: $.
    - name: updateaccount
      description: Fiserv Update account details
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fiserv.updateaccount
      outputParameters:
      - type: object
        mapping: $.
    - name: listtransactions
      description: Fiserv List account transactions
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: fiserv.listtransactions
      with:
        fromDate: tools.fromDate
        toDate: tools.toDate
        transactionType: tools.transactionType
      inputParameters:
      - name: fromDate
        type: string
        description: Start date for the transaction search range.
      - name: toDate
        type: string
        description: End date for the transaction search range.
      - name: transactionType
        type: string
        description: Filter by transaction type.
      outputParameters:
      - type: object
        mapping: $.
    - name: createtransfer
      description: Fiserv Initiate a fund transfer
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fiserv.createtransfer
      outputParameters:
      - type: object
        mapping: $.
    - name: gettransfer
      description: Fiserv Retrieve transfer details
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: fiserv.gettransfer
      with:
        transferId: tools.transferId
      inputParameters:
      - name: transferId
        type: string
        description: The unique transfer identifier.
        required: true
      outputParameters:
      - type: object
        mapping: $.
    - name: createpayment
      description: Fiserv Process a payment
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fiserv.createpayment
      outputParameters:
      - type: object
        mapping: $.
    - name: reversepayment
      description: Fiserv Reverse a payment
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fiserv.reversepayment
      with:
        paymentId: tools.paymentId
      inputParameters:
      - name: paymentId
        type: string
        description: The unique payment identifier.
        required: true
      outputParameters:
      - type: object
        mapping: $.
    - name: addparty
      description: Fiserv Create a customer party
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fiserv.addparty
      outputParameters:
      - type: object
        mapping: $.
    - name: getparty
      description: Fiserv Retrieve party details
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: fiserv.getparty
      with:
        partyId: tools.partyId
      inputParameters:
      - name: partyId
        type: string
        description: The unique party identifier.
        required: true
      outputParameters:
      - type: object
        mapping: $.
    - name: updateparty
      description: Fiserv Update party details
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: fiserv.updateparty
      with:
        partyId: tools.partyId
      inputParameters:
      - name: partyId
        type: string
        description: The unique party identifier.
        required: true
      outputParameters:
      - type: object
        mapping: $.
binds:
- namespace: env
  keys:
    FISERV_TOKEN: FISERV_TOKEN