Quick Start
Copy this JavaScript snippet to start using the API immediately.
const res = await fetch("https://www.coingecko.com/api/documentation");
const data = await res.json();
console.log(data);More Finance APIs
See allAccess This API
View endpoints, request formats, rate limits, and full response schemas in the official docs.
Open Documentation Browse All APIsAuthentication Guide
No AuthenticationCall this API directly from any frontend or backend – no sign-up required.
Compatibility
Browser (Frontend)Supported
Server (Node / Python)Always works
HTTPS / SSLSecured
Developer Tips
- →No key needed – safe to call from browser or server.
- →Direct browser fetch calls work – no proxy needed.
- →Handle rate limits with retry logic and exponential backoff.
- →Cache responses locally to minimize calls and stay on free tier.