Exchangerate.host

API

Free foreign exchange and crypto rates API

Overview

Exchangerate.host provides RESTful endpoints for real-time and historical foreign exchange (forex) and cryptocurrency rates. Key endpoints include /latest (current rates), /historical (past date data), /convert (direct currency conversion), and /timeseries (rate trends over periods). Responses are in JSON format. Ideal use cases: integrating currency conversion into e-commerce platforms, building financial tracking apps, analyzing forex trends, or powering cross-border payment systems. It supports over 150 fiat currencies and 200+ cryptocurrencies with no API key needed for basic access.

Example Integration (JavaScript)

script.js JS


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

Key Features

RESTful API
JSON responses
No API key required
Supports fiat & crypto
Historical rate data
Currency conversion endpoint

Frequently Asked Questions

? Is Exchangerate.host free to use?

Yes, it offers free access to core features with no API key required for basic usage; high-volume requests may have rate limits.

? Does it require an API Key?

No, most endpoints (latest, historical, convert) are accessible without an API key. Advanced features might need registration.

? What is the response format?

All responses are in JSON format, which is widely supported and easy to parse in most programming languages.

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Tool Info

Pricing Free

Category Currency Exchange

Platform Public API

Pros

⊕ No API key for basic usage
⊕ Covers both fiat and crypto rates
⊕ Includes historical and real-time data

Cons

⊖ Rate-limited for high-volume requests
⊖ No official SLA for free tier
⊖ Limited advanced analytics