Is Coinlib free to use?

Yes, Coinlib is listed as a free public API. Visit the official documentation for current rate limits and usage policies.

Does Coinlib require authentication?

Yes, Coinlib requires API Key authentication. Check the documentation for setup instructions.

Coinlib — Free Public API

Overview

Coinlib provides crypto price data — key-based.

⚠️ Status (verified 2026-08): a guessed path returned HTTP 404 (a large HTML page) — the route paths differ. Check the apidocs (coinlib.io/apidocs) for valid routes.

What it provides

curl "https://coinlib.io/api/v1/coin?key=YOUR_KEY&pref=USD&symbol=BTC"

Notes

Coin prices with global currency preference.
Route paths per the apidocs.

FAQ

Is Coinlib free? Key-based with a free tier per the docs.

Why 404? Our 2026-08 guess path was wrong (verified) — check the apidocs.

What does it do? Crypto price lookups.

More in Cryptocurrency

API	Auth	HTTPS	CORS
0x API for querying token and pool stats across various liquidity pools	No auth	Yes	Yes	↗
1inch API for querying decentralize exchange	No auth	Yes	Unknown	↗
Alchemy Ethereum Ethereum Node-as-a-Service Provider	API Key	Yes	Yes	↗
Alpha (Mossland) Korean crypto channel stance + RAG Q&A + canonical entity/topic/event store	No auth	Yes	Yes	↗
Binance Exchange for Trading Cryptocurrencies based in China	API Key	Yes	Unknown	↗