- It lets you authenticate on State portals — Finanças (Tax Authority), Segurança Social (Social Security), SNS 24, ePortugal (public services portal) and many others — using only your mobile phone.
- It also allows you to sign electronic documents with legal value, without a card reader.
- It is the simplest way to access services if you have lost the PIN codes of the Cartão de Cidadão (Citizen Card).
Automatically translated. Always confirm on the official Portuguese source.
Official sources
1. Chave Móvel Digital — Autenticação.gov.ptCall — Autenticação.gov.pt (AMA): 300 003 990 ou 210 489 010 — dias úteis, 9h–18h