Calypso is the open standard for ticketing deployed all over the world.
Calypso is designed by users for users to ensure multi-sources of compatible products, and make possible the interoperability between several operators.
Calypso offers the most modern ticketing system thanks to its continuous innovation process, including evolutions toward mobile phones, account based ticketing, public key infrastructure and other technologies.

For more information about Calypso and to join the non for profit association managing the Calypso specifications, please contact the Calypso Networks Association (CNA)

Public Documents

Calypso documents that have no diffusion restriction,
including the Calypso functional specifications.

Public Specifications

Technical Specifications

The Calypso specifications are restricted documents. You need to open an account to access them. The registration is free of charge.

Go to Technical Specifications

Calypso Ticketing in Action link

The demonstration presents possible usages of the Calypso technology. You can simulate customer trips over Calypso networks with a real card or a simulated card.

Try it !link


To test your equipment, you may buy cards and SAMs kits in the webstore.
You need to open an account to order in the webstore. The registration is free of charge.

Go to Websore

Calypso Terminals & Portable Objects 

Calypso terminals (card readers, OEM readers, ...) complying with Calypso Revision 3 products may be registered.
Calypso Portable Objects complying with Calypso Revision 3.1 may be certified.

Certified portable objects.
Registered terminals.