API Documentation

Build trading applications with our REST & WebSocket APIs

Manage API Keys View Endpoints

Low Latency

Sub-millisecond order execution via co-located servers

Secure

HMAC-SHA256 signed requests, IP whitelisting, permission scoping

Rate Limits

1200 requests/min for REST, unlimited WebSocket subscriptions

SDKs

Official libraries for Python, Node.js, Java, and Go

API Key Management

Create, edit, and manage your API keys and permissions

Market Data

Public endpoints for tickers, order books, trades, and klines. No authentication required.

GET/market/data/quotations/homeHome quotations list (all active pairs)

GET/market/data/quotations/coin?coin=btc24h ticker for a single coin

GET/market/data/quotations/sparklinesSparkline series for watchlist

GET/market/convert/price?fromUnit=BTC&toUnit=USDTConversion rate between coins

Spot Trading

Authenticated endpoints for placing, cancelling, and listing spot orders.

POST/tx/spot/addPlace a spot order (type: 0=limit, 1=market)

POST/tx/spot/cancelCancel an open spot order

GET/tx/spot/symbol-thumb-v2Trading-pair thumbnails

Futures Trading

Perpetual swap contract trading and position management.

POST/tx/uorder/openOpen a futures position

POST/tx/uorder/closeClose a futures position

GET/tx/uorder/listList open futures orders

Wallet / Account

Balances, deposits, withdrawals, and user profile. Requires Authorization header.

GET/uc/asset/spot-walletsList spot wallet balances per coin

GET/uc/asset/futures-walletsList futures wallet balances

POST/uc/user-infoCurrent logged-in user info

POST/uc/referral/countNumber of direct referrals

WebSocket API

Real-time streaming for market data, order updates, and account events.

WSwss://stream.fintrusted.comWebSocket connection endpoint

SUBdepth.{symbol}Real-time order book updates

SUBtrades.{symbol}Real-time trade stream

SUBticker.{symbol}Real-time ticker updates

SUBkline.{symbol}.{interval}Real-time candlestick data

Quick Start

# Public: 24h ticker for a coin (no auth)
curl "https://fintrusted.com/market/data/quotations/coin?coin=btc"

# Authenticated: log in and capture the JWT from data.Authorization
TOKEN=$(curl -s -X POST https://fintrusted.com/uc/v2/login \
  -d "[email protected]&password=secret" \
  | jq -r .data.Authorization)

# Place a spot LIMIT buy — type=0 limit, type=1 market, direction=0 BUY, 1 SELL
curl -X POST "https://fintrusted.com/tx/spot/add" \
  -H "Authorization: $TOKEN" \
  -d "symbol=BTC/USDT&direction=0&type=0&price=74000&amount=0.001"

# Spot wallet balances
curl -H "Authorization: $TOKEN" \
  "https://fintrusted.com/uc/asset/spot-wallets"

# Public: 24h ticker for a coin (no auth) curl "https://fintrusted.com/market/data/quotations/coin?coin=btc" # Authenticated: log in and capture the JWT from data.Authorization TOKEN=$(curl -s -X POST https://fintrusted.com/uc/v2/login \ -d "[email protected]&password=secret" \ | jq -r .data.Authorization) # Place a spot LIMIT buy — type=0 limit, type=1 market, direction=0 BUY, 1 SELL curl -X POST "https://fintrusted.com/tx/spot/add" \ -H "Authorization: $TOKEN" \ -d "symbol=BTC/USDT&direction=0&type=0&price=74000&amount=0.001" # Spot wallet balances curl -H "Authorization: $TOKEN" \ "https://fintrusted.com/uc/asset/spot-wallets"