Rate-API
GET /api/v1/{key}/convert

Currency Conversion API

Convert any amount between any two of 160+ currencies with a single request. Cross-rates included, so even GBP→JPY just works.

Get your API key Read the docs
curl "https://rate-api.com/api/v1/YOUR_KEY/convert?from=USD&to=EUR&amount=100"

The Rate-API currency conversion API turns one call into a precise converted amount. Pass a source currency, a target currency and an amount — get back the rate and the result, ready to display at checkout or in your app.

  • Any-pair conversion via the USD pivot.
  • Configurable precision.
  • Same response shape across JSON/XML/CSV.
  • Works on the Pro plan and above.

FAQ

Can I convert between two non-USD currencies?

Yes. Cross-rates are computed automatically, so any pair works.

How accurate are the conversions?

Conversions use mid-market reference rates updated hourly.

Related

Exchange Rate APICurrency Converter APIHistorical Exchange Rates API