Query Exchange Rate

Query the real-time P2P exchange rate for a specified cryptocurrency and fiat currency, returning the market reference price and MEXC's current order-book buy/sell reference prices.

HTTP Request

• GET /api/v3/fiat/market/reference_price

Required Permission: P2P Account Read

Rate limit: 50 requests/second

Request Parameters

Name	Type	Mandatory	Description
coinId	string	yes	Cryptocurrency ID (e.g., USDT)
fiatUnit	string	yes	Fiat currency (e.g., BRL, USD)

Request

GET /api/v3/fiat/market/reference_price?coinId=USDT&fiatUnit=BRL

Response Parameters

Name	Type	Description
coinId	string	Cryptocurrency ID
fiatUnit	string	Fiat currency
referencePrice	BigDecimal	Market reference price (external market data, may be empty)
marketBuyPrice	BigDecimal	MEXC order-book buy reference price (empty/0 if no orders)
marketSellPrice	BigDecimal	MEXC order-book sell reference price (empty/0 if no orders)

Response

{
  "msg": "success",
  "code": 0,
  "data": {
    "coinId": "USDT",
    "fiatUnit": "BRL",
    "referencePrice": 5.85,
    "marketBuyPrice": 5.80,
    "marketSellPrice": 5.90
  }
}