Free APIFinanceAPI keyOfficial
ExchangeRate-API
Currency conversion with a true no-card free tier and a fully keyless open endpoint
ExchangeRate-API delivers exchange rates and currency conversion for 160+ currencies. It offers both a no-signup open-access endpoint and a free keyed plan with higher reliability. The free plan requires no credit card.
Free tier
Free keyed plan: 1,500 requests/month, no credit card. Separate keyless open-access endpoint (open.er-api.com) exists for unlimited light use with daily updates.Rate limits
Free keyed plan: 1,500 req/month, daily rate updates. Open endpoint: no key, daily updates, no published hard cap.Auth
API keyBase URL
https://v6.exchangerate-api.com/v6What you'd build with it
- Currency conversion in an e-commerce or billing automation
- Quick keyless rate lookup via the open.er-api.com endpoint
- Daily FX snapshot stored for reporting
- Multi-currency display in a dashboard skill
Key endpoints
- GET
/{api_key}/latest/USDLatest rates for a base currency (keyed plan) - GET
/{api_key}/pair/USD/EUR/100Convert a specific amount between two currencies - GET
/{api_key}/codesList of all supported currency codes - GET
https://open.er-api.com/v6/latest/USDKeyless open-access latest rates (no signup)
Members
Members get the runnable recipe
Sign in free to copy the example request, see a sample response, and read the gotchas.
Tags
forexcurrencyconversionfree-tier