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Chave Móvel Digital (Digital Mobile Key)
Activate the Chave Móvel Digital (CMD) to access all public services online. Replaces the citizen card with card reader on all government portals.
What you need before you start
- Valid Cartão de Cidadão (Citizen Card, with or without reader)
- Portuguese mobile phone number
- Email address
- NIF (Tax Identification Number)
Step by step
Go to www.autenticacao.gov.pt
Click 'Ativar Chave Móvel Digital' (Activate Digital Mobile Key)
Choose the method: online (Autenticação.gov app), video call or in person
If online: install the Autenticação.gov app and follow the facial verification instructions
Enter your mobile phone number and email to receive the activation code
Set a 4-digit PIN for CMD
CMD is now active — you can use it on all government portals
To use: enter NIF + CMD PIN + SMS code received
Tip: If in doubt, always contact the official service directly.
Ready to get started?
Go to Chave Móvel Digital (Digital Mobile Key)Disclaimer: This guide is for general informational purposes only. Information may have been updated. Always check the official website for binding and up-to-date information. This site is not affiliated with the Portuguese Government or any public entity.