: Official licenses can be bought from specialized retailers like Cryptoshop Contact Your Organization

CardOS API V5.5 is a professional smart card middleware designed by Eviden (formerly Atos) to integrate CardOS-based smart cards and security tokens into standard IT applications. It acts as a bridge, allowing software to perform cryptographic operations like digital signatures, data encryption, and secure authentication without the private keys ever leaving the card. Official CardOS API V5.5 Download and Licensing

Looking for the Cardos Api V5.5 download? Get the official setup file, changelog, and step-by-step installation instructions for the latest release.

: The API works with both contact-based and contactless (NFC) cards, making it ideal for modern hybrid work environments.

Do you already have a , or are you looking to purchase one ?

If you have an older version (like V4.4 or V5.0) installed, it is highly recommended to the old version and reboot before running the V5.5 installer to prevent DLL conflicts. Browser Integration