{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/kraken/refs/heads/main/json-schema/kraken-trade-envelope-schema.json",
  "title": "TradeEnvelope",
  "description": "TradeEnvelope schema from Kraken Spot WebSocket API v2",
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "enum": [
        "trade"
      ],
      "example": "trade"
    },
    "type": {
      "type": "string",
      "enum": [
        "snapshot",
        "update"
      ],
      "example": "snapshot"
    },
    "data": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "symbol": {
            "type": "string",
            "example": "PI_XBTUSD"
          },
          "side": {
            "type": "string",
            "enum": [
              "buy",
              "sell"
            ],
            "description": "Taker order direction.",
            "example": "buy"
          },
          "qty": {
            "type": "number",
            "format": "double",
            "example": 0.01
          },
          "price": {
            "type": "number",
            "format": "double",
            "example": "0.01"
          },
          "ord_type": {
            "type": "string",
            "enum": [
              "limit",
              "market"
            ],
            "description": "Taker order type.",
            "example": "limit"
          },
          "trade_id": {
            "type": "integer",
            "format": "int64",
            "description": "Sequence number unique per trading book.",
            "example": "OQCLML-BW3P3-BUCMWZ"
          },
          "timestamp": {
            "type": "string",
            "format": "date-time",
            "example": "2026-05-30T00:00:00Z"
          }
        }
      },
      "example": []
    }
  },
  "required": [
    "channel",
    "type",
    "data"
  ]
}