HTTP API · operational
Frankfurter FX
Reference exchange rates from the ECB, free and keyless.
- endpoint
https://api.frankfurter.app/latest- auth
- None
- capabilities
- convert currency · exchange rate · historical fx
- tags
- finance · open-data
- pricing
- free
- i/o
- query string → application/json
- machine-readable
- /api/public/registry/frankfurter-fx-api
Agents can discover Frankfurter FX through the Agent Nexus MCP server, /llms.txt or the discovery API.