Core API — cardholder balances

naftiko: 1.0.0-alpha2
info:
  label: Core API — cardholder balances
  description: 'Core API — cardholder balances. 3 operations. Lead operation: Returns account balance for an account. Self-contained
    Naftiko capability covering one Marqeta business surface.'
  tags:
  - Marqeta
  - cardholder balances
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    MARQETA_API_KEY: MARQETA_API_KEY
capability:
  consumes:
  - type: http
    namespace: core-cardholder-balances
    baseUri: ''
    description: Core API — cardholder balances business capability. Self-contained, no shared references.
    resources:
    - name: balances-account-token
      path: /balances/account/{token}
      operations:
      - name: getaccountbalancestoken
        method: GET
        description: Returns account balance for an account
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: token
          in: path
          type: string
          description: The unique token associated with the user or business account. This token is required to fetch the
            corresponding account balance.
          required: true
    - name: balances-user-token
      path: /balances/user/{token}
      operations:
      - name: getuseraccountbalances
        method: GET
        description: Returns account balances for a cardholder
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: token
          in: path
          type: string
          description: The unique token identifying the user or business. This token is required to retrieve the associated
            account balances.
          required: true
    - name: balances-token
      path: /balances/{token}
      operations:
      - name: getbalancestoken
        method: GET
        description: Returns account balances for a cardholder
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: token
          in: path
          type: string
          description: User or Business token
          required: true
    authentication:
      type: basic
      username: '{{env.MARQETA_USER}}'
      password: '{{env.MARQETA_PASS}}'
  exposes:
  - type: rest
    namespace: core-cardholder-balances-rest
    port: 8080
    description: REST adapter for Core API — cardholder balances. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/balances/account/{token}
      name: balances-account-token
      description: REST surface for balances-account-token.
      operations:
      - method: GET
        name: getaccountbalancestoken
        description: Returns account balance for an account
        call: core-cardholder-balances.getaccountbalancestoken
        with:
          token: rest.token
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/balances/user/{token}
      name: balances-user-token
      description: REST surface for balances-user-token.
      operations:
      - method: GET
        name: getuseraccountbalances
        description: Returns account balances for a cardholder
        call: core-cardholder-balances.getuseraccountbalances
        with:
          token: rest.token
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/balances/{token}
      name: balances-token
      description: REST surface for balances-token.
      operations:
      - method: GET
        name: getbalancestoken
        description: Returns account balances for a cardholder
        call: core-cardholder-balances.getbalancestoken
        with:
          token: rest.token
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: core-cardholder-balances-mcp
    port: 9090
    transport: http
    description: MCP adapter for Core API — cardholder balances. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: returns-account-balance-account
      description: Returns account balance for an account
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: core-cardholder-balances.getaccountbalancestoken
      with:
        token: tools.token
      outputParameters:
      - type: object
        mapping: $.
    - name: returns-account-balances-cardholder
      description: Returns account balances for a cardholder
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: core-cardholder-balances.getuseraccountbalances
      with:
        token: tools.token
      outputParameters:
      - type: object
        mapping: $.
    - name: returns-account-balances-cardholder-2
      description: Returns account balances for a cardholder
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: core-cardholder-balances.getbalancestoken
      with:
        token: tools.token
      outputParameters:
      - type: object
        mapping: $.