Exchangeratesapi.io

API

Free JSON API for exchange rates and currency conversion

Overview

Exchangeratesapi.io provides RESTful endpoints for real-time/historical exchange rates and currency conversion. Key endpoints include /latest (current rates for a base currency), /history (date-range data), and /convert (direct currency conversion). Responses are JSON-formatted, sourcing data from the European Central Bank for reliability. Ideal for financial apps, e-commerce platforms (multi-currency pricing), travel budget tools, and accounting systems handling foreign transactions.

Example Integration (JavaScript)

script.js JS


fetch('https://exchangeratesapi.io')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON Response Format
Currency Conversion Endpoint
Historical Rate Data
ECB-Sourced Rates
Free Tier Available

Frequently Asked Questions

? Is Exchangeratesapi.io free to use?

Yes, it offers a free tier with 1000 monthly requests; paid plans are available for higher limits and premium features like more frequent updates.

? Does it require an API Key?

Yes, even the free tier requires an API key, which can be obtained by signing up on the official website.

? What is the response format?

All responses are in JSON format, making it easy to parse and integrate into web or mobile applications.

Top Alternatives

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Tool Info

Pricing Freemium

Category Currency Exchange

Platform Public API

Pros

⊕ Easy to integrate with minimal setup
⊕ Reliable exchange rate data from ECB
⊕ Supports both real-time and historical queries
⊕ Direct conversion endpoint simplifies currency math

Cons

⊖ Free tier has rate limits (1000 requests/month)
⊖ No SLA for free users
⊖ Premium plans required for higher volume or advanced features