{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://coinbase.com/schemas/coinbase/order.json",
  "title": "Coinbase Order",
  "description": "A trading order on the Coinbase platform, applicable across Advanced Trade, Exchange, and Prime APIs. Represents a request to buy or sell a cryptocurrency at a specified price and quantity.",
  "type": "object",
  "required": ["product_id", "side", "order_type"],
  "properties": {
    "order_id": {
      "type": "string",
      "description": "Unique identifier for the order assigned by Coinbase"
    },
    "client_order_id": {
      "type": "string",
      "description": "Client-specified unique identifier for the order"
    },
    "product_id": {
      "type": "string",
      "description": "Trading pair identifier such as BTC-USD",
      "pattern": "^[A-Z0-9]+-[A-Z0-9]+$"
    },
    "side": {
      "type": "string",
      "description": "Whether this is a buy or sell order",
      "enum": ["BUY", "SELL"]
    },
    "order_type": {
      "type": "string",
      "description": "Type of order determining execution behavior",
      "enum": ["MARKET", "LIMIT", "STOP", "STOP_LIMIT", "TWAP", "BLOCK"]
    },
    "status": {
      "type": "string",
      "description": "Current lifecycle status of the order",
      "enum": ["OPEN", "PENDING", "FILLED", "CANCELLED", "EXPIRED", "FAILED"]
    },
    "time_in_force": {
      "type": "string",
      "description": "Time-in-force policy governing how long the order remains active",
      "enum": ["GOOD_UNTIL_CANCELLED", "GOOD_UNTIL_DATE", "IMMEDIATE_OR_CANCEL", "FILL_OR_KILL"]
    },
    "base_size": {
      "type": "string",
      "description": "Quantity of base currency to trade",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "quote_size": {
      "type": "string",
      "description": "Quantity of quote currency to spend or receive",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "limit_price": {
      "type": "string",
      "description": "Limit price for limit and stop-limit orders",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "stop_price": {
      "type": "string",
      "description": "Trigger price for stop and stop-limit orders",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "filled_size": {
      "type": "string",
      "description": "Amount that has been filled so far",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "filled_value": {
      "type": "string",
      "description": "Total value of filled portion in quote currency",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "average_filled_price": {
      "type": "string",
      "description": "Volume-weighted average price of fills",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "total_fees": {
      "type": "string",
      "description": "Total fees charged for the order",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "number_of_fills": {
      "type": "integer",
      "description": "Number of individual fills for the order",
      "minimum": 0
    },
    "completion_percentage": {
      "type": "string",
      "description": "Percentage of the order that has been filled",
      "pattern": "^[0-9]+(\\.[0-9]+)?$"
    },
    "portfolio_id": {
      "type": "string",
      "description": "Portfolio that owns the order (Prime and Advanced Trade)"
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the order was created"
    },
    "completed_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the order was completed"
    },
    "expiry_time": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the order expires"
    },
    "post_only": {
      "type": "boolean",
      "description": "Whether the order is post-only (maker only)"
    }
  },
  "$defs": {
    "Fill": {
      "type": "object",
      "description": "An individual fill representing partial or full execution of an order",
      "required": ["trade_id", "price", "size"],
      "properties": {
        "trade_id": {
          "type": "string",
          "description": "Unique trade identifier"
        },
        "entry_id": {
          "type": "string",
          "description": "Unique fill entry identifier"
        },
        "order_id": {
          "type": "string",
          "description": "Order that generated this fill"
        },
        "product_id": {
          "type": "string",
          "description": "Product traded"
        },
        "price": {
          "type": "string",
          "description": "Execution price"
        },
        "size": {
          "type": "string",
          "description": "Fill size"
        },
        "commission": {
          "type": "string",
          "description": "Fee charged for this fill"
        },
        "side": {
          "type": "string",
          "description": "Trade side",
          "enum": ["BUY", "SELL"]
        },
        "liquidity": {
          "type": "string",
          "description": "Whether the fill was maker or taker",
          "enum": ["M", "T"]
        },
        "trade_time": {
          "type": "string",
          "format": "date-time",
          "description": "When the trade occurred"
        }
      }
    }
  }
}