A Portuguese electronic identity card for online authentication and electronic signatures.
Provider details
Category and coverage
What you can verify
- Given name
- Family name
- Date of birth
Technical & standards
- Standards
- LoA High, eIDAS
How to integrate
Portuguese Cartão de Cidadão
Every provider in the Trinsic network is added the same way. Three steps, one integration.
01
Create an account
Sign up for Trinsic and create a workspace in the dashboard.
02
Get an API key
Generate an API key for your workspace to authenticate verification requests.
03
Configure a verification profile
Choose which identity providers to accept, then run your first verification session.
Portuguese Cartão de Cidadão verification, one API for every ID
Trinsic verifies this ID and hundreds of digital IDs across 50+ countries through one integration. Explore the identity verification API, or browse digital IDs by country.
Related reading
Frequently asked questions
01
What is the Portuguese Cartão de Cidadão?
The Cartão de Cidadão is Portugal's national citizen card, combining physical and digital identity with a chip for authentication and signatures. It shares government-verified identity attributes for Portuguese citizens. Trinsic lets you verify people with it through one API.
02
Which countries does the Cartão de Cidadão cover?
The Cartão de Cidadão is issued in Portugal and verifies Portuguese citizens. Trinsic lets you accept it alongside national eIDs, mDLs, and bank IDs from 50+ other countries in one integration.
03
What can you verify with the Cartão de Cidadão?
Verifying with the Cartão de Cidadão confirms a person's government-issued identity attributes from Portugal's citizen card. Trinsic returns the result in one normalized, consented data model.
04
How does verifying with the Cartão de Cidadão work?
The user inserts their citizen card and enters a PIN; the chip signs a challenge and shares identity attributes verified by Portugal's government. Trinsic handles the integration and returns a normalized, consented result.
other digital IDs in this category
eID Cards
eID cards are government-issued identity cards that can be verified electronically, usually by reading the card's chip with a card reader or an NFC-enabled phone, or by checking a digitally signed QR code. Many require a PIN or extra hardware to complete verification.
Explore the category
