Poloniex API
Cryptocurrency · Operational · 30d uptime 100%
Trade (buy and sell) Bitcoin (BTC), Ethereum (ETH), TRON (TRX), Tether (USDT), and more premium altcoins on the market with the legendary crypto exchange.
Trust signals
Pricing
FREE
Auth
API_KEY
CORS
Yes
Rate limit
Unknown
Health
540ms
Trust score
94 (A)
Last checked Oct 18, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Excellent production-readiness signals.
Links
- Homepagewww.poloniex.com
- Documentationdocs.poloniex.com
- Base URLdocs.poloniex.com
Integration checklist
- Auth is API_KEY
- CORS enabled — callable directly from browsers.
- Rate limit: Unknown