LMEX — More than just a Cryptocurrency Exchange

24/7 perpetual futures and spot trading across crypto, US equities, and commodities.

LMEX is a centralized exchange offering perpetual futures on three asset classes alongside spot trading on 17 fiat and stablecoin pairs, with a full-featured public testnet for development and strategy testing.

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Products

Perpetual Futures

Trade perpetuals 24/7 on assets across three classes:

• 🪙 Crypto — BTC, ETH, and more
• 📈 US Equities — major US stocks as perpetual contracts
• 🛢️ Commodities — energy, metals, and more

No expiry. Funding settled every 8 hours.

Spot

17 fiat and stablecoin trading pairs — direct buy/sell at market or limit.

Testnet

Full production replica at test-api.lmex.io — connect real bots, test strategies, no funds at risk.

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API

Base URLs

Environment	Spot	Futures
Live	https://api.lmex.io/spot	https://api.lmex.io/futures
Testnet	https://test-api.lmex.io/spot	https://test-api.lmex.io/futures

WebSocket

Feed	URL
Spot	wss://ws.lmex.io/ws/spot
Futures	wss://ws.lmex.io/ws/futures

Subscribe to a trade stream:

{ "op": "subscribe", "args": ["tradeHistoryApi:BTC-USD"] }

REST Reference

Spot — /spot/api/v3.2/

GET market_summary	All markets and ticker data
GET orderbook/L2	Level-2 order book
GET trades	Recent trades
POST order	Place order (auth)
DELETE order	Cancel order (auth)
GET user/wallet	Balances (auth)

Futures — /futures/api/v2.3/

GET market_summary	All markets, funding rate, mark price
GET orderbook/L2	Level-2 order book
GET funding_history	Historical funding rates
GET user/positions	Open positions (auth)
POST leverage	Set leverage (auth)
POST order/close_position	Close position (auth)

Rate Limits

Bucket	Limit
Public / query	15 req/s
Order management	75 req/s

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Fees

Side	Rate
Maker	0.10%
Taker	0.10%

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Open-Source Integrations

Framework	Connector	Notes
cryptofeed	LMEX, LMEX_FUTURES	Trades via WebSocket; order book via REST polling
Hummingbot	lmex, lmex_perpetual	Full order lifecycle, spot and perpetual
CCXT	lmex, lmex_perpetual	Full ccxt-pro for spot and perpetual

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• 🌐 lmex.io
• 📖 API Docs