Open Exchange Rates API
Real-time & historical exchange rates for 200+ currencies
Freemium
✓ Verified
🇪🇺 European
Open Exchange Rates is one of the most popular currency conversion APIs among developers, providing real-time and historical exchange rates for 200+ world currencies, cryptocurrencies, and precious metals. The free Freemium plan offers 1,000 monthly requests — sufficient for personal projects. Paid plans unlock higher frequency updates, historical data, time-series queries, and OHLC data. Clean, simple API design and thorough documentation make integration fast. Used by travel apps, fintech tools, accounting software, and e-commerce platforms worldwide.
API Details
Auth Method
API Key
Pricing Model
Freemium
Free Tier
Yes — 1,000 requests/month free
Rate Limit
Quota-based
Format
REST / JSON
Versioning
v6
SLA / Uptime
99.9%
Compliance
Standard
Geographic Restrictions
Global (200+ currencies)
Last Verified
2026-02-20
Categories
Frequently Asked Questions
You can pull live and historical exchange rates for over two hundred world currencies. It provides an easy way to bring current currency values into your own project, making it great for international store checkouts, budgeting apps, or business dashboards.
Yes, they offer a forever-free plan that gives you hourly rate updates and up to one thousand data requests every month. If your site gets busier or you need faster updates and extra features, they have a few paid monthly tiers you can upgrade to.
Because there is no single official price for global money, the platform collects buy and sell prices from multiple trusted financial institutions. It then blends all of that data together to provide a fair, unbiased, and highly accurate market rate.
You just need to visit their website and create an account. Once you register, they will give you a unique App ID on your dashboard. You simply include this short ID in your code, and you can start retrieving currency data right away.