OSDM Version 3.7 Released

Published: Oct 24, 2025 by Andreas Schlapbach

We are proud to release Version 3.7 of the OSDM Specification. In scope of this increment are various improvements proposed by the different parties. Highlights of this release include:

  • Revised and improved support for return product offers - supports internal and external journey planning workflows
  • Offer part model updated - both admissions and ancillaries can have related reservations
  • Transportable specification in passenger specification fixes vehicle transport on (night) trains
  • Methods for bulk manipulation with passengers
  • Clarified workflow on activating passes and viewing remaining available usage
  • Introduced offer requests by direct product and quantity specifications for deep integrations or reference from product catalogues
  • Introduced check endpoint for two-phase commit of bookings or refunds containing offers from external providers

See the Release Notes 3.7 for more details.

Furthermore we have a successfully improved joint test and validation set ready. This helps in the adoption of OSDM as well as guarantee that the implementations are interoperable.

More to come!

Thanks to all the Team for its hard work.

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