About

Abstract API's Exchange Rate and Currency Conversion API provides live and historical currency data through a modern REST API. It is designed for developers and businesses that need reliable exchange rate lookups, currency conversion, and broad market coverage across fiat currencies and cryptocurrencies.

The service emphasizes fast response times, global availability, and secure delivery for production use. It also supports historical exchange rate analysis, making it suitable for applications that need both current pricing and time-based financial data.

  • Live and historical exchange rate data
  • Support for 150+ currencies and 10,000+ currency pairs
  • Cryptocurrency support, including crypto-to-crypto and crypto-to-fiat rates
  • REST API access with JSON responses
  • Secure HTTPS delivery for all queries

What's included in the free tier

  • 500 requests per month.
  • 1 request per second rate limit.
  • Access to exchange rate and currency conversion API key.
  • Live and historical currency data access within free tier limits.