How to use CoinGecko API — a practical guide
If you're here, you probably want working code in five minutes. That's exactly what this guide does.
Five steps to get started
- 1GET api.coingecko.com/api/v3/simple/price with the coins you want.
- 2No key needed for the Public API.
- 3Cache for 30 seconds to stay under rate limits.
Shortest snippet that will actually run
curl "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd,ils"Common mistakes (the honest list)
Full coin list: /coins/list (10K+ coins).
Don't fetch all coins every time — you'll hit the rate limit.