CoinGecko Crypto Market Data API — Contract

naftiko: 1.0.0-alpha2
info:
  label: CoinGecko Crypto Market Data API — Contract
  description: 'CoinGecko Crypto Market Data API — Contract. 3 operations. Lead operation: Get coin data by contract address.
    Self-contained Naftiko capability covering one Coingecko business surface.'
  tags:
  - Coingecko
  - Contract
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    COINGECKO_API_KEY: COINGECKO_API_KEY
capability:
  consumes:
  - type: http
    namespace: crypto-market-data-contract
    baseUri: https://api.coingecko.com/api/v3
    description: CoinGecko Crypto Market Data API — Contract business capability. Self-contained, no shared references.
    resources:
    - name: coins-id-contract-contract_address
      path: /coins/{id}/contract/{contract_address}
      operations:
      - name: getcoinbycontractaddress
        method: GET
        description: Get coin data by contract address
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: coins-id-contract-contract_address-market_chart
      path: /coins/{id}/contract/{contract_address}/market_chart
      operations:
      - name: getcoincontractmarketchart
        method: GET
        description: Get coin market chart data by contract address
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: vs_currency
          in: query
          type: string
          description: The target currency for market data
          required: true
        - name: days
          in: query
          type: string
          description: Number of days of historical data
          required: true
        - name: precision
          in: query
          type: string
          description: Decimal precision for currency price values
    - name: coins-id-contract-contract_address-market_chart-range
      path: /coins/{id}/contract/{contract_address}/market_chart/range
      operations:
      - name: getcoincontractmarketchartrange
        method: GET
        description: Get coin market chart range data by contract address
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: vs_currency
          in: query
          type: string
          description: The target currency for market data
          required: true
        - name: from
          in: query
          type: number
          description: Start date as UNIX timestamp
          required: true
        - name: to
          in: query
          type: number
          description: End date as UNIX timestamp
          required: true
        - name: precision
          in: query
          type: string
          description: Decimal precision for currency price values
    authentication:
      type: apikey
      key: x-cg-demo-api-key
      value: '{{env.COINGECKO_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: crypto-market-data-contract-rest
    port: 8080
    description: REST adapter for CoinGecko Crypto Market Data API — Contract. One Spectral-compliant resource per consumed
      operation, prefixed with /v1.
    resources:
    - path: /v1/coins/{id}/contract/{contract-address}
      name: coins-id-contract-contract-address
      description: REST surface for coins-id-contract-contract_address.
      operations:
      - method: GET
        name: getcoinbycontractaddress
        description: Get coin data by contract address
        call: crypto-market-data-contract.getcoinbycontractaddress
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/coins/{id}/contract/{contract-address}/market-chart
      name: coins-id-contract-contract-address-market-chart
      description: REST surface for coins-id-contract-contract_address-market_chart.
      operations:
      - method: GET
        name: getcoincontractmarketchart
        description: Get coin market chart data by contract address
        call: crypto-market-data-contract.getcoincontractmarketchart
        with:
          vs_currency: rest.vs_currency
          days: rest.days
          precision: rest.precision
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/coins/{id}/contract/{contract-address}/market-chart/range
      name: coins-id-contract-contract-address-market-chart-range
      description: REST surface for coins-id-contract-contract_address-market_chart-range.
      operations:
      - method: GET
        name: getcoincontractmarketchartrange
        description: Get coin market chart range data by contract address
        call: crypto-market-data-contract.getcoincontractmarketchartrange
        with:
          vs_currency: rest.vs_currency
          from: rest.from
          to: rest.to
          precision: rest.precision
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: crypto-market-data-contract-mcp
    port: 9090
    transport: http
    description: MCP adapter for CoinGecko Crypto Market Data API — Contract. One tool per consumed operation, routed inline
      through this capability's consumes block.
    tools:
    - name: get-coin-data-contract-address
      description: Get coin data by contract address
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: crypto-market-data-contract.getcoinbycontractaddress
      outputParameters:
      - type: object
        mapping: $.
    - name: get-coin-market-chart-data
      description: Get coin market chart data by contract address
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: crypto-market-data-contract.getcoincontractmarketchart
      with:
        vs_currency: tools.vs_currency
        days: tools.days
        precision: tools.precision
      outputParameters:
      - type: object
        mapping: $.
    - name: get-coin-market-chart-range
      description: Get coin market chart range data by contract address
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: crypto-market-data-contract.getcoincontractmarketchartrange
      with:
        vs_currency: tools.vs_currency
        from: tools.from
        to: tools.to
        precision: tools.precision
      outputParameters:
      - type: object
        mapping: $.