Secure Health Messaging for professionals and citizens (MSSanté)
MSSanté is the national secure healthcare messaging system.
Getting started

How does MSSanté work?
Secure healthcare messaging (MSSanté) enables professionals in the healthcare, social and medico-social sectors, authorized by law, to exchange personal healthcare data with each other securely. MSSanté also enables exchanges with patients/users via the Mon Espace Santé health messaging system.
There is a plurality operators who offer secure messaging (healthcare establishments, manufacturers, public bodies ..) and who meet the technical and organizational requirements defined by Référentiel #1 Opérateurs MSSanté. MSSanté mailboxes (BALs) can only exchange within the trusted space, they can only exchange with other MSSanté BALs.
The Agence du Numérique en Santé (ANS) is the regulator for the MSSanté subject, and together with the CNAM, is driving deployment.
How can you integrate MSSanté into your services?
You can become an Operator and offer an MSSanté service or use the services of a third-party Operator.
In practice
There are two ways to interact with the MSSanté Trusted Space. You can become an MSSanté operator to offer a secure health messaging service to your users, or you can interface your solution with existing MSS services to easily integrate messages received by your users into their MSSanté box.
When ?
Becoming an operator can take from a few weeks to a few months depending on your technical architecture.
The ANS offers support for manufacturers who would like to join the Espace de Confiance and make the best decisions based on need.
Key figures
91%
of connected healthcare facilities
10%
of connected social and medical-social establishments and services
10 Million
of messages each month
Training
Documentation
Our experts on the subject
Finding your way around technical doctrine
The technical doctrine presents the actions of the ministerial roadmap for the digital shift.

MSSanté: The secure path for innovation in healthcare data exchange
MSSanté (Messagerie Sécurisée de Santé) is an essential pillar of the digital healthcare ecosystem in France. It provides an indispensable space of trust for healthcare professionals wishing to exchange patient data in complete security. Understanding how it works and its implications is crucial for anyone wishing to innovate in the sector.
Why is MSSanté important for innovators?
MSSanté is more than just a messaging system. It is a genuine service that guarantees the confidentiality and integrity of exchanges between authorized professionals. For developers of new e-health solutions, this means:
- Easier regulatory compliance: Integrating MSSanté into your applications ensures that you comply with legal requirements for the protection of health data.
- Greater user confidence: By using a recognized, secure platform, you strengthen the confidence of professionals and patients in your solution.
- Interoperability: MSSanté promotes the seamless exchange of information between the various players in the sector, making it easier to integrate your innovation into the care pathway.
How does MSSanté work?
MSSanté is based on a secure messaging network, where each healthcare professional has a nominative or organizational mailbox. Access is protected by a CPS (Carte de Professionnel de Santé) card or equivalent identification device. This ensures that only authorized persons can exchange personal health data.
Innovating with MSSanté
For innovators, MSSanté offers many opportunities:
- Development of messaging applications compatible with the MSSanté network.
- Creation of services facilitating data exchange between healthcare professionals and patients.
- Design of solutions improving the security and confidentiality of data exchanges in the medico-social sector.
In conclusion, MSSanté is much more than just a secure messaging system. It's an essential trust space for innovation in digital healthcare. By understanding how it works and what's at stake, you'll be in a position to develop solutions that meet the needs of healthcare professionals and patients, while complying with regulatory requirements.