Grasping the Whole Nichi-Rece API from the Source Code — Reading ORCA's Published Source (with a Mapping Table of All 137 Endpoints) (archived 2026-08-30)

Abstract

Grasping the whole picture of the Nichi-Rece API from the published source code of ORCA (the JMA Standard Receipt Software). Covers a mapping table of all 137 endpoints, a worked example following patientgetv2, a measured diff against the 5.1 series, and deriving the specification of undocumented APIs plus the operational practices to go with them. Archived version of https://comcomponent.com/en/blog/orca-api-source-reading/, as published on 2026-08-30. The live article is maintained and may change after this date. First published 2026-07-17.