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coinlayer API - SDKs

The coinlayer REST API was built to deliver on-demand real-time or historical cryptocurrency exchange rates in JSON format. Crypto data is sourced from more than 25 worldwide exchanges, features more than 385 coins and can be accessed using any programming language, framework and device. The API is free for a limited amount of monthly API requests and can be used at premium level to gain access to features like 60-second updates, conversion and time-series endpoints, and much more.