Coinlayer
Real-time Crypto Currency Exchange Rates
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Cryptocurrency
- Data source
- public-apis
Overview
Coinlayer (an APILayer product) provides real-time and historical cryptocurrency exchange rates for 380+ coins against 168 fiat and crypto currencies, with a simple key-based REST API. A straightforward pick for price widgets and portfolio tools.
Quick Start
Live rates for a coin (replace YOUR_KEY):
curl "https://api.coinlayer.com/live?access_key=YOUR_KEY&symbols=BTC"Historical rates:
curl "https://api.coinlayer.com/2024-01-15?access_key=YOUR_KEY&symbols=BTC,ETH"Fiat/crypto conversion:
curl "https://api.coinlayer.com/convert?access_key=YOUR_KEY&from=BTC&to=USD&amount=1"List of supported symbols:
curl "https://api.coinlayer.com/list?access_key=YOUR_KEY"Authentication
- Register at coinlayer.com for a free key (emailed).
- Send it as the
access_keyquery parameter.
Rate Limits & Notes
- Free tier: 100 requests/month — small; paid tiers scale up.
- Free tier updates rates hourly (paid tiers update more frequently).
symbolsfilters the response to the coins you need (keeps payloads small).- The free tier includes live rates for a limited symbol set; historical data is on paid tiers.
FAQ
Is Coinlayer free? Free tier: 100 requests/month; more is paid.
How do I get a key? Sign up at coinlayer.com — the access key is emailed.
Can I get historical rates for free? No — historical data is on paid tiers.
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