{"source":"DOF","currency_pair":"USD/MXN","from":"2026-05-01","to":"2026-05-31","count":5,"data":[{"fecha":"2026-05-04","valor":17.5118},{"fecha":"2026-05-05","valor":17.5157},{"fecha":"2026-05-06","valor":17.3752},{"fecha":"2026-05-07","valor":17.253},{"fecha":"2026-05-08","valor":17.24}]}