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coinlayer API

The coinlayer API was built to provide a one-stop API solution for real-time and historical cryptocurrency exchange rate data. Serving already over 25,000 registered users around the world, our aim at coinlayer is to offer a powerful yet easy to use crypto data API for everyone — from freelance developers all the way up to large corporations.

Crypto exchange rate data from coinlayer is gathered from more than 25 worlwide exchanges and covers over 385 cryptocurrencies.

Sign up for free to get instant API Access.

Features & Integration

  • Real-time Crypto Data: Get real-time and historical cryptocurrency exchange rates enriched with additional data for 385+ coins.

  • Historical Rates: Query the coinlayer API for historical crypto data all the way back to the year of 2001.

  • Currency Conversion Endpoint: Convert any amount between crypto and fiat currencies via the coinlayer API's Conversion Endpoint.

  • Time-Frame Queries: Retrieve time-series cryptocurrency data via the API's Time-Frame Endpoint.

  • Currency-Change Queries: Request cryptocurrency fluctuation data within specific periods via the API's Change Endpoint.

  • More Options: Request only specific cryptocurrencies, convert them into up to 166 fiat currencies, and much more.

Sign up for the Basic Plan to get your API Access Key and use the API at premium level.

In-depth Documentation

An in-depth API documentation, including interactive code examples and extensive descriptions can be found at

Customer Support

Need any assistance? Get in touch with Customer Support.


All usage of the coinlayer website, API, and services is subject to the coinlayer Terms & Conditions and all annexed legal documents and agreements.


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