Finance & Stock MarketKey Required

Open Exchange RatesFree REST API

Reliable foreign exchange rates and currency conversion data

API Docs

Developer Workbench & Live ConsoleKey Required

Test real endpoints directly, inspect live JSON, or copy implementation code.

GET
curl -X GET "/api/v1/tools/currency-convert?from=USD&to=EUR&amount=100" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer <YOUR_API_KEY>"
ResponseReady / Idle

Ready for Live Evaluation

Click [ Send Request ] to dispatch a real request via FreeAPI proxy and inspect real JSON payloads.

Rate Limit
1000 req/month
Auth Mode
Key Required
Security & CORS
HTTPS • CORS Ready
Protocol
REST / JSON

An external API key is required to authenticate requests with Open Exchange Rates. Allowance: 1000 req/month.

Get API Key ↗
COMPANION DEVELOPER TOOL0ms Client Sandbox

ISO 13616 IBAN & BIC/SWIFT Validator

Validate international bank account numbers (IBAN) across 70+ countries with MOD 97-10 math and SWIFT/BIC parsing.

Launch Tool
Interactive Web Tool Available

Test and interact with this service in your browser using our ISO 13616 IBAN & BIC/SWIFT Validator tool.

Open Live Tool

Frequently Asked Questions (FAQ)

Technical and integration answers for Open Exchange Rates.

Yes, Open Exchange Rates is listed as a free endpoint on FreeAPI Directory with an allowance of: 1000 req/month.
Official Service Provider Ownership: Open Exchange Rates

All data feeds, trademarks, and documentation belong directly to the original API provider. FreeAPI serves purely as a discovery index and documentation reference for developers.

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