Kraken Spot REST API — Market Data

naftiko: 1.0.0-alpha2
info:
  label: Kraken Spot REST API — Market Data
  description: 'Kraken Spot REST API — Market Data. 9 operations. Lead operation: Kraken Get Server Time. Self-contained Naftiko capability covering one Kraken business surface.'
  tags:
    - Kraken
    - Cryptocurrency
    - Market Data
  created: '2026-05-30'
  modified: '2026-05-30'
binds:
  - namespace: env
    keys:
      KRAKEN_API_KEY: KRAKEN_API_KEY
capability:
  consumes:
    - type: http
      namespace: spot-rest-market-data
      baseUri: https://api.kraken.com
      description: Kraken Spot REST API — Market Data business capability. Self-contained, no shared references.
      authentication:
        type: apikey
        key: API-Key
        value: '{{env.KRAKEN_API_KEY}}'
        placement: header
      resources:
        - name: 0-public-time
          path: /0/public/Time
          operations:
            - name: getServerTime
              method: GET
              description: Kraken Get Server Time
              inputParameters: []
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-systemstatus
          path: /0/public/SystemStatus
          operations:
            - name: getSystemStatus
              method: GET
              description: Kraken Get System Status
              inputParameters: []
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-assets
          path: /0/public/Assets
          operations:
            - name: getAssetInfo
              method: GET
              description: Kraken Get Asset Info
              inputParameters:
                - name: asset
                  in: query
                  type: string
                  required: false
                  description: Comma-delimited list of assets to filter (e.g. XBT,ETH)
                - name: aclass
                  in: query
                  type: string
                  required: false
                  description: Asset class (currency, crypto)
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-assetpairs
          path: /0/public/AssetPairs
          operations:
            - name: getTradableAssetPairs
              method: GET
              description: Kraken Get Tradable Asset Pairs
              inputParameters:
                - name: pair
                  in: query
                  type: string
                  required: false
                  description: Comma-delimited list of asset pairs (e.g. XBTUSD,ETHUSD)
                - name: info
                  in: query
                  type: string
                  required: false
                  description: Info detail level (info, leverage, fees, margin)
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-ticker
          path: /0/public/Ticker
          operations:
            - name: getTickerInformation
              method: GET
              description: Kraken Get Ticker Information
              inputParameters:
                - name: pair
                  in: query
                  type: string
                  required: false
                  description: Comma-delimited list of asset pairs
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-ohlc
          path: /0/public/OHLC
          operations:
            - name: getOHLCData
              method: GET
              description: Kraken Get OHLC Data
              inputParameters:
                - name: pair
                  in: query
                  type: string
                  required: true
                  description: pair
                - name: interval
                  in: query
                  type: integer
                  required: false
                  description: Candle interval in minutes (1, 5, 15, 30, 60, 240, 1440, 10080, 21600)
                - name: since
                  in: query
                  type: integer
                  required: false
                  description: Return OHLC entries since this timestamp
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-depth
          path: /0/public/Depth
          operations:
            - name: getOrderBook
              method: GET
              description: Kraken Get Order Book
              inputParameters:
                - name: pair
                  in: query
                  type: string
                  required: true
                  description: pair
                - name: count
                  in: query
                  type: integer
                  required: false
                  description: Maximum number of bids/asks (1-500)
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-trades
          path: /0/public/Trades
          operations:
            - name: getRecentTrades
              method: GET
              description: Kraken Get Recent Trades
              inputParameters:
                - name: pair
                  in: query
                  type: string
                  required: true
                  description: pair
                - name: since
                  in: query
                  type: integer
                  required: false
                  description: since
                - name: count
                  in: query
                  type: integer
                  required: false
                  description: Maximum number of trades (1-1000)
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
        - name: 0-public-spread
          path: /0/public/Spread
          operations:
            - name: getRecentSpreads
              method: GET
              description: Kraken Get Recent Spreads
              inputParameters:
                - name: pair
                  in: query
                  type: string
                  required: true
                  description: pair
                - name: since
                  in: query
                  type: integer
                  required: false
                  description: since
              outputRawFormat: json
              outputParameters:
                - name: result
                  type: object
                  value: $.
  exposes:
    - type: rest
      namespace: spot-rest-market-data-rest
      port: 8080
      description: REST adapter for Kraken Spot REST API — Market Data. One Spectral-compliant resource per consumed operation, prefixed with /v1.
      resources:
        - path: /v1/0/public/time
          name: 0-public-time
          description: REST surface for /0/public/Time.
          operations:
            - method: GET
              name: getServerTime
              description: Kraken Get Server Time
              call: spot-rest-market-data.getServerTime
              with: {}
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/systemstatus
          name: 0-public-systemstatus
          description: REST surface for /0/public/SystemStatus.
          operations:
            - method: GET
              name: getSystemStatus
              description: Kraken Get System Status
              call: spot-rest-market-data.getSystemStatus
              with: {}
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/assets
          name: 0-public-assets
          description: REST surface for /0/public/Assets.
          operations:
            - method: GET
              name: getAssetInfo
              description: Kraken Get Asset Info
              call: spot-rest-market-data.getAssetInfo
              with:
                asset: rest.asset
                aclass: rest.aclass
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/assetpairs
          name: 0-public-assetpairs
          description: REST surface for /0/public/AssetPairs.
          operations:
            - method: GET
              name: getTradableAssetPairs
              description: Kraken Get Tradable Asset Pairs
              call: spot-rest-market-data.getTradableAssetPairs
              with:
                pair: rest.pair
                info: rest.info
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/ticker
          name: 0-public-ticker
          description: REST surface for /0/public/Ticker.
          operations:
            - method: GET
              name: getTickerInformation
              description: Kraken Get Ticker Information
              call: spot-rest-market-data.getTickerInformation
              with:
                pair: rest.pair
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/ohlc
          name: 0-public-ohlc
          description: REST surface for /0/public/OHLC.
          operations:
            - method: GET
              name: getOHLCData
              description: Kraken Get OHLC Data
              call: spot-rest-market-data.getOHLCData
              with:
                pair: rest.pair
                interval: rest.interval
                since: rest.since
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/depth
          name: 0-public-depth
          description: REST surface for /0/public/Depth.
          operations:
            - method: GET
              name: getOrderBook
              description: Kraken Get Order Book
              call: spot-rest-market-data.getOrderBook
              with:
                pair: rest.pair
                count: rest.count
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/trades
          name: 0-public-trades
          description: REST surface for /0/public/Trades.
          operations:
            - method: GET
              name: getRecentTrades
              description: Kraken Get Recent Trades
              call: spot-rest-market-data.getRecentTrades
              with:
                pair: rest.pair
                since: rest.since
                count: rest.count
              outputParameters:
                - type: object
                  mapping: $.
        - path: /v1/0/public/spread
          name: 0-public-spread
          description: REST surface for /0/public/Spread.
          operations:
            - method: GET
              name: getRecentSpreads
              description: Kraken Get Recent Spreads
              call: spot-rest-market-data.getRecentSpreads
              with:
                pair: rest.pair
                since: rest.since
              outputParameters:
                - type: object
                  mapping: $.
    - type: mcp
      namespace: spot-rest-market-data-mcp
      port: 9090
      transport: http
      description: MCP adapter for Kraken Spot REST API — Market Data. One tool per consumed operation, routed inline through this capability's consumes block.
      tools:
        - name: kraken-get-server-time
          description: Kraken Get Server Time
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getServerTime
          with: {}
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-system-status
          description: Kraken Get System Status
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getSystemStatus
          with: {}
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-asset-info
          description: Kraken Get Asset Info
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getAssetInfo
          with:
            asset: tools.asset
            aclass: tools.aclass
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-tradable-asset-pairs
          description: Kraken Get Tradable Asset Pairs
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getTradableAssetPairs
          with:
            pair: tools.pair
            info: tools.info
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-ticker-information
          description: Kraken Get Ticker Information
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getTickerInformation
          with:
            pair: tools.pair
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-ohlc-data
          description: Kraken Get OHLC Data
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getOHLCData
          with:
            pair: tools.pair
            interval: tools.interval
            since: tools.since
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-order-book
          description: Kraken Get Order Book
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getOrderBook
          with:
            pair: tools.pair
            count: tools.count
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-recent-trades
          description: Kraken Get Recent Trades
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getRecentTrades
          with:
            pair: tools.pair
            since: tools.since
            count: tools.count
          outputParameters:
            - type: object
              mapping: $.
        - name: kraken-get-recent-spreads
          description: Kraken Get Recent Spreads
          hints:
            readOnly: true
            destructive: false
            idempotent: true
          call: spot-rest-market-data.getRecentSpreads
          with:
            pair: tools.pair
            since: tools.since
          outputParameters:
            - type: object
              mapping: $.