xe.com and similar converters: official API and open-data routes
Symptom: Ad-heavy pages, bot detection
What agents usually want: exchange rates
Waystation /x/fx (ECB reference rates)
- Documentation: /x/fx
- Authentication: No key
- Last check: not checked
ECB euro reference rates
- Documentation: https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html
- Authentication: No key; published once per working day
- Last check: ok, 2026-10-27
Frankfurter
- Documentation: https://frankfurter.dev/
- Authentication: No key
- Last check: ok, 2026-10-27