Barfinex
All exchanges
Kaiko

Kaiko

Coming SoonMarket Data Providers
connectorType: "kaiko"

Institutional-grade crypto market data

Connection Architecture

Kaiko
WebSocket / REST
Connector
libs/exchange-kaiko
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
Data Format
JSON
Features
Data OnlyInstitutional

Best for

  • Institutional quant teams requiring clean, auditable tick data across 100+ venues for model training.
  • Compliance and regulatory teams needing MiFID II-compatible best execution audit trails for crypto trades.
  • Academic and research teams conducting cross-exchange microstructure studies requiring decade-long history.

Connect via code

1Environment variables (.env)

KAIKO_API_KEY=your_key_here

2Connector configuration

// config/config.provider.json
{
  "provider": {
    "connectors": [
      {
        "connectorType": "kaiko",
        "enabled": true,
        "key": "${KAIKO_API_KEY}",
        "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/kaiko/spot/BTCUSDT/h1?days=7"

Available via Barfinex API

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

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

Important

This is a DATA ONLY connector — no order execution.
Kaiko is priced for institutional clients; contact sales for pricing.
Full order book and tick data access typically requires Enterprise plan.
Supported Markets
Spot
Connect in Studio(soon)
Exchange Website

Let’s Get in Touch

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