ExchangeRate-API — Pair Conversion

naftiko: 1.0.0-alpha2
info:
  label: ExchangeRate-API — Pair Conversion
  description: 'ExchangeRate-API — Pair Conversion. 2 operations. Lead operation: Get Pair Conversion Rate. Self-contained Naftiko capability covering the pair conversion business surface.'
  tags:
    - ExchangeRate-API
    - Pair Conversion
  created: '2026-05-29'
  modified: '2026-05-29'
binds:
  - namespace: env
    keys:
      EXCHANGERATE_API_KEY: EXCHANGERATE_API_KEY
capability:
  consumes:
    - type: http
      namespace: exchangerate-pair
      baseUri: https://v6.exchangerate-api.com/v6
      description: ExchangeRate-API pair conversion business capability. Self-contained, no shared references.
      resources:
        - name: pair
          path: /{api_key}/pair/{base_code}/{target_code}
          operations:
            - name: getPairConversion
              method: GET
              description: Get the exchange rate between two currencies.
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
              inputParameters:
                - name: api_key
                  in: path
                  type: string
                  value: '{{env.EXCHANGERATE_API_KEY}}'
                  description: ExchangeRate-API key.
                - name: base_code
                  in: path
                  type: string
                  description: ISO 4217 base currency code.
                - name: target_code
                  in: path
                  type: string
                  description: ISO 4217 target currency code.
        - name: pair-amount
          path: /{api_key}/pair/{base_code}/{target_code}/{amount}
          operations:
            - name: getPairConversionWithAmount
              method: GET
              description: Get the exchange rate and converted amount between two currencies.
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
              inputParameters:
                - name: api_key
                  in: path
                  type: string
                  value: '{{env.EXCHANGERATE_API_KEY}}'
                  description: ExchangeRate-API key.
                - name: base_code
                  in: path
                  type: string
                  description: ISO 4217 base currency code.
                - name: target_code
                  in: path
                  type: string
                  description: ISO 4217 target currency code.
                - name: amount
                  in: path
                  type: number
                  description: Decimal amount to convert.
      authentication:
        type: none
  exposes:
    - type: rest
      namespace: exchangerate-pair-rest
      port: 8080
      description: REST adapter for ExchangeRate-API Pair Conversion. One Spectral-compliant resource per consumed operation, prefixed with /v1.
      resources:
        - path: /v1/pair/{base_code}/{target_code}
          name: pair
          description: REST surface for pair conversion.
          operations:
            - method: GET
              name: getPairConversion
              description: Get the exchange rate between two currencies.
              call: exchangerate-pair.getPairConversion
              with:
                base_code: rest.base_code
                target_code: rest.target_code
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/pair/{base_code}/{target_code}/{amount}
          name: pair-amount
          description: REST surface for pair conversion with amount.
          operations:
            - method: GET
              name: getPairConversionWithAmount
              description: Get the exchange rate and converted amount.
              call: exchangerate-pair.getPairConversionWithAmount
              with:
                base_code: rest.base_code
                target_code: rest.target_code
                amount: rest.amount
              outputParameters:
                - type: object
                  mapping: $.
    - type: mcp
      namespace: exchangerate-pair-mcp
      port: 9090
      transport: http
      description: MCP adapter for ExchangeRate-API Pair Conversion. One tool per consumed operation, routed inline through this capability's consumes block.
      tools:
        - name: exchangerate-get-pair-conversion
          description: Get the exchange rate between two currencies.
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: exchangerate-pair.getPairConversion
          with:
            base_code: tools.base_code
            target_code: tools.target_code
          outputParameters:
            - type: object
              mapping: $.
        - name: exchangerate-get-pair-conversion-with-amount
          description: Convert a specified amount from one currency to another at the latest rate.
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: exchangerate-pair.getPairConversionWithAmount
          with:
            base_code: tools.base_code
            target_code: tools.target_code
            amount: tools.amount
          outputParameters:
            - type: object
              mapping: $.