Exchangerate.dev

Overview

Exchangerate.dev is a free public API in the Currency Exchange category. Live & historical FX, 168 pairs back to 1999, Frankfurter-compatible, free 10k/mo.

Currency-exchange APIs are the backbone of price displays, invoicing tools, travel apps, and multi-currency checkout flows.

You can use this API in prototypes, side projects, and production applications — just keep the provider’s usage policy in mind.

Authentication

Exchangerate.dev requires no authentication — you can start calling it directly, which makes it great for quick experiments and client-side demos.

HTTPS & CORS

• HTTPS: supported — traffic to Exchangerate.dev is encrypted, so it is safe to use from production apps.
• CORS: unknown — if you plan to call Exchangerate.dev from the browser, verify CORS support in the official docs or with a quick test request.

Getting Started

1. Read the official documentation: https://exchangerate.dev/docs
2. Make a test request with curl or your favourite HTTP client.

Rate Limits & Notes

• Rate limits, quotas, and free-tier terms are defined by the provider — always check the official documentation for Exchangerate.dev before scaling up.
• The upstream listing is community-maintained; fields like auth, HTTPS and CORS reflect the state at listing time and may change.

FAQ

Does Exchangerate.dev require an API key?

No — Exchangerate.dev is listed as a no-auth API, so you can call it directly.