Step-by-step guide to implementing the INS

Here are the steps to take, the players to contact, and the documentation to read so that your INS project can succeed.

What would you like to do?

Before starting the work, check whether the INS is relevant to you

Identify the nature of your software and get your INS step-by-step guide

About the INS

The INS, or French National eHealth ID, is an individual’s unique and permanent identity. Since 1 January 2021, all health data must be listed with the INS.


To limit errors in the identification of persons who are being cared for, monitored or aided.

For a trusted identity that facilitates the exchange and sharing of health data.

To help improve the quality and safety of care.

To accelerate the deployment of digital exchange and sharing services in the health sector.

How does it work?

What is the INS? How does it work? What should I do?

What is the INS?

The INS (National eHealth ID) is an identity unique to each person, which comes from the national reference databases.

How do you retrieve one?

The INS is retrieved, or verified, via the INSi teleservice implemented by the Cnam. Once validated in accordance with the identity security best practices in force, the INS can be used.

What should I do?

You're developing a feature that calls the INSi teleservice and upgrading your software to better implement the INS.