PlaceOrderRequest

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/bigone/main/json-schema/bigone-place-order-request-schema.json",
  "title": "PlaceOrderRequest",
  "x-generated": "2026-10-13",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/bigone-contract-openapi.yml#/components/schemas/PlaceOrderRequest",
  "type": "object",
  "required": [
    "symbol",
    "side",
    "type",
    "size"
  ],
  "properties": {
    "symbol": {
      "type": "string",
      "description": "Contract Instrument Symbol (e.g. BTCUSD)"
    },
    "side": {
      "type": "string",
      "enum": [
        "BUY",
        "SELL"
      ],
      "description": "Order Side"
    },
    "type": {
      "type": "string",
      "enum": [
        "LIMIT",
        "MARKET",
        "IOC",
        "FOK",
        "POST_ONLY"
      ],
      "description": "Order Type"
    },
    "price": {
      "type": "number",
      "description": "Order Price (Required for LIMIT orders)"
    },
    "size": {
      "type": "number",
      "description": "Number of contracts"
    },
    "reduceOnly": {
      "type": "boolean",
      "default": false,
      "description": "Reduce Only Order. If true, the order will only reduce your position, not increase it. If the order would increase your position, it is automatically amended down or canceled."
    }
  }
}