Kraken · Schema

BookData

BookData schema from Kraken Spot WebSocket API v2

CryptocurrencyExchangeTradingMarket DataSpot TradingFuturesDerivativesStakingEarnNFTWebSocketFIXCustodyOTCPrime BrokerageEmbedOAuthPublic APIs

Properties

Name Type Description
symbol string
bids array
asks array
checksum integer CRC32 checksum of the top 10 bids and asks.
timestamp string
View JSON Schema on GitHub

JSON Schema

kraken-book-data-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/kraken/refs/heads/main/json-schema/kraken-book-data-schema.json",
  "title": "BookData",
  "description": "BookData schema from Kraken Spot WebSocket API v2",
  "type": "object",
  "properties": {
    "symbol": {
      "type": "string",
      "example": "PI_XBTUSD"
    },
    "bids": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "price": {
            "type": "number",
            "format": "double",
            "example": "0.01"
          },
          "qty": {
            "type": "number",
            "format": "double",
            "example": 0.01
          }
        }
      },
      "example": []
    },
    "asks": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "price": {
            "type": "number",
            "format": "double",
            "example": "0.01"
          },
          "qty": {
            "type": "number",
            "format": "double",
            "example": 0.01
          }
        }
      },
      "example": []
    },
    "checksum": {
      "type": "integer",
      "format": "int64",
      "description": "CRC32 checksum of the top 10 bids and asks.",
      "example": 1
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "example": "2026-05-30T00:00:00Z"
    }
  }
}