Changelog for KSeF REST API documentation

Version 2.1 from 2026-03-14

• for surgery boxUploadInvoice and boxUploadBatch the "upo" parameter has been added.
• to the status returned by boxUploadInvoiceStatus and boxUploadBatchStatus the "sessionId" parameter with the KSeF session ID has been added.
• a new feature has been added ksefInvoiceLinks, which is used to generate links and QR codes.

Version 2.0 from 2025-12-31

Updated the REST interface to KSeF 2.0. Added operations dedicated to the KSeF Gateway (black-box).

Version 1.1 from 2024-04-19

Transferring documentation to a dedicated website (ksef24.com) and punctuation corrections.

Version 1.0 from 2024-04-18

Publishing the initial version of the documentation.