At a glance
ProviderKraken
TypeWebSocket
CategoryCrypto
Real-timeYes — streaming
AuthNone — open endpoint
PricingFree for public market data (no API subscription fee; trading fees apply only when placing orders) — Public market data (ticker, OHLC, book, trade): free, no auth or subscription, Private/trading channels: free to use; standard spot taker/maker trading fees apply per fee schedule, No paid data plan or per-message data billing for public feeds
What data it provides
- OHLC candles per interval (open, high, low, close, vwap, volume, trade count, interval_begin)
- Supported OHLC intervals (minutes): 1, 5, 15, 30, 60, 240, 1440, 10080, 21600
- Real-time ticker (last/bid/ask/volume) for crypto-USD and other pairs
- Level 2 (book) and Level 3 order book streams with per-order queue priority
- Per-trade tape (trade channel)
- Endpoints: public wss://ws.kraken.com/v2, authenticated wss://ws-auth.kraken.com/v2
Features
- Realtime push streaming with subscribe/unsubscribe and optional snapshot on subscribe
- Public market data needs no authentication; private channels use a REST-minted WebSocket token
- Connection limits: idle sockets closed after ~1 min; Cloudflare ~150 connect attempts per rolling 10 min
- Broad spot coverage including BTC/ETH and major altcoin USD pairs
- Second independent USD venue suitable for redundancy and multi-source price averaging
- Documented under the Kraken API hub (REST, WebSocket v1/v2, FIX) with code examples
Links
Use it in a bot
Other crypto data sources
