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KuCoin

KuCoin

Coming SoonCrypto — Major Exchanges
connectorType: "kucoin"

Global crypto exchange with wide altcoin selection

Connection Architecture

KuCoin
WebSocket / REST
Connector
libs/exchange-kucoin
Provider
:8081/api
Detector
Advisor
Studio

The connector receives data from the exchange and feeds it to Provider (port 8081). From there — to Detector, Advisor, and Studio.

Technologies

Transport
WebSocketREST
Authentication
API Key + Secret + Passphrase
Data Format
JSON
Features
Passphrase Required

Best for

  • KuCoin is ideal for altcoin rotation strategies and early-stage token momentum plays that require access to long-tail assets before they list on major venues.
  • It suits market-making bots on thinly-traded pairs, small-cap breakout scanners, and portfolio diversification strategies targeting 50–500 pairs simultaneously.
  • Traders who track new token listings for price-discovery signals will find KuCoin's breadth of listings particularly valuable.

Connect via code

1Environment variables (.env)

KUCOIN_API_KEY=your_key_here
KUCOIN_API_SECRET=your_secret_here
KUCOIN_API_PASSPHRASE=your_passphrase_here

2Connector configuration

// config/config.provider.json
{
  "provider": {
    "connectors": [
      {
        "connectorType": "kucoin",
        "enabled": true,
        "key": "${KUCOIN_API_KEY}",
        "secret": "${KUCOIN_API_SECRET}",
        "passphrase": "${KUCOIN_API_PASSPHRASE}",
        "markets": [
          { "marketType": "spot", "symbols": [{ "name": "BTCUSDT" }] }
        ],
        "subscriptions": [
          { "type": "PROVIDER_MARKETDATA_CANDLE", "symbols": ["BTCUSDT"], "intervals": ["min1", "h1"], "active": true },
          { "type": "PROVIDER_MARKETDATA_TRADE", "symbols": ["BTCUSDT"], "active": true },
          { "type": "PROVIDER_MARKETDATA_ORDERBOOK", "symbols": ["BTCUSDT"], "active": true }
        ]
      }
    ]
  }
}

3Verify and query data

# Verify connection
curl -H "Authorization: Bearer $PROVIDER_API_TOKEN" \
  https://localhost:8081/api/exchanges/runtime-proof

# Candles (last 7 days)
curl -H "Authorization: Bearer $PROVIDER_API_TOKEN" \
  "https://localhost:8081/api/candles/kucoin/spot/BTCUSDT/h1?days=7"

Available via Barfinex API

/api/candles/kucoin/...
/api/trades/kucoin/...
/api/orderbook/kucoin/...
/api/account/kucoin/...
/api/symbols/kucoin/...
/api/assets/kucoin/...

Studio graphical setup — in development, coming in the next release.

Important

KuCoin requires three credentials: API Key, Secret Key, and Passphrase — all set during key creation.
Permissions needed: General (read) + Trade.
KuCoin futures use a separate sub-account (KuCoin Futures) with its own independent API keys.
Note that the KuCoin API applies a dynamic rate-limiting model based on usage tier; aggressive polling can trigger temporary endpoint bans.
IP binding is available and recommended for production keys.
Supported Markets
SpotFutures
Founded2017
HeadquartersSeychelles
Connect in Studio(soon)
Exchange Website

Let’s Get in Touch

Have questions or want to explore Barfinex? Send us a message.