Passwordless Authentication as a Service

Fintech-grade security. Simpler. Cheaper.

Because user experience and data security are at the heart of the profitability of your services, take advantage of a authentication service at low cost.

Demos Free membership

RemAuth at a glance

Examples of strong authentication with RemAuth

All the demos proposed below implement PSD2-compliant strong authentication, either natively or thanks to related options.


  • Password free
  • Concurrent multi-factor according to user data
  • Optional : Biometric checking using RemAuth Control app on smartphone

Simple and robust


Very strong and effortless


  • Password free
  • Identifier free
  • On-the-fly registration
  • Dynamic QR-code to scan with the RemAuth Control app

For hostile environments

The authentication methods demonstrated above can easily be integrated into any service. Just open a free account and follow the tutorials. These require a Devops profile for their implementation. All technical details of the service are available in the documentation.

Security in the DNA of the service

RemAuth élimine la principale vulnérabilité de vos services connectés

RemAuth eliminates the main vulnerability of connected services

Passwords are responsible for 63% of proven violations of data.

This is one of the key learnings of recent Verizon report about confirmed data breaches which are caused by weak, default or stolen passwords. Thanks to its passwordless technology, RemAuth is able to eliminate the main vulnerability of connected Internet services.

Thus, the security of access to your services is no longer dependent on the good or bad use of passwords by your users.

RemAuth met la vérification biométrique à la disposition de tous les services.

RemAuth makes biometric verification available any service

Biometrics is becoming an essential technology for cybersecurity and is a strong expectation from users.

This is one of the main actions to take as recommended by the French security organizations ANSSI and CESIN to improve the security of services. It also meets the high demand from users as revealed in a research of Mastercard and University of Oxford which shows that 93% of UK consumers prefer biometrics to passwords.

It is the reason why the RemAuth Control application supports biometric checking on a wide range of Android and iOS smartphones. You just have to set the biometric option in the Customer Center services properties according to your requirements.

RemAuth peut mettre en oeuvre des certificats physiques optionnels.

Very high security with RemAuth Cards

Optional 2nd physical factors, customizable and easy to implement.

RemAuth Cards are physical authentication factors defined by unique, configurable and even repudiable visual codes. RemAuth Cards can be customized for any service provider for distribution to their users. Users just have to scan them on demand using the RemAuth Control application.

Simple to use and to implement



  • No effort to manage passwords.
  • No risk of loss or identity theft.

Service provoders

  • Less user loss on sign up and sign in.
  • Less user support.



  • A de facto standard on smartphones.
  • No additional effort for biometric checking.

Service providers

  • Biometric option is easy to enable and to disable.
  • Biometric checking is tracked in logs.



  • They work with any smartphone.
  • Simple QR-codes to scan.

Service providers

  • Easy to deploy.
  • Low-Tech / Low-Cost.

A simple and secure API

The RemAuth service is based on a simple and secure HTTP API which ensures its integration with any existing system. With its additional Open Source libraries, the RemAuth API enables a smooth migration from password-based legacy systems to password-free services.

Simple API

  • Standard HTTP API.
  • POST and GET methods.
  • JSON response type.
  • Online doc with integrated endpoint testing.

Secure API

  • TLS 1.2 secure server.
  • OAuth2-like security token.
  • Only unique and ephemeral codes.
  • No storage of sensitive data.
Example of cURL request to the RemAuth API authentication endpoint
Exemple d'appel en cURLde la fonction d'authentification de l'API RemAuth

Many thanks to subscribers who trust us with their numerous API requests. RemAuth is committed to provide them a high quality service


You can get started in a few minutes by creating an account for free in the Customer Center.

You will be able to configure and integrate RemAuth for as many services as you wish, with the help of the online documentation.

Depending on your needs, you can then switch to a paid service level by selecting a subscription plan.


We can help you to implement RemAuth by providing training, consultancy or implementation support, either on-site or remotely.

White label


The RemAuth Control application can be customized with your brand and colors, and then delivered on the appropriate application stores.

Your customized application will benefit from the same updates as the original app.

Do not hesitate for any request.

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