{"ok":true,"metric":{"key":"oat10Rate","value":3.64,"unit":"%","label":"Taux de l'OAT 10 ans","source":"BCE (IRS, OAT 10Y)","source_url":"https://data-api.ecb.europa.eu/service/data/IRS/M.FR.L.L40.CI.0000.EUR.N.Z?format=jsondata&lastNObservations=1","confidence":"official","observed_at":"2026-03-01","updated_at":"2026-05-06 13:54:19"}}