{"message":"🏦 Sistema de Tasas de Cambio API","status":"running","version":"1.0.0","last_update":"2026-03-21T19:25:10.308579","endpoints":{"docs":"/docs","health":"/api/health","users":"/api/users","rates":"/api/rates","latest_rates":"/rates/latest/{from_currency}/{to_currency}","pair_rates":"/rates/pair/{pair_symbol}/latest","convert":"/api/convert"}}