OpenAPI.NET Hidi: all versions and old releases

Contains a useful object model for OpenAPI documents in .NET along with common serialisers to extract raw OpenAPI JSON and YAML documents from the model.

Microsoft API & web development #73 API & web development

LicenceOpen source
Version3.10.2.0
RequiresWindows 10, 11
ReleasedAugust 20, 2026
GitHub stars★ 1.6K

2 versions of OpenAPI.NET Hidi are listed here, from January 14, 2026 to the current 3.10.2.0. Each one links to the publisher’s own installer files.

Version	Date	Size	Files
3.10.2.0Latest	August 20, 2026	—	64-bit Portable Release notes 3.10.2 (2026-08-20) Bug Fixes - duplicate schema example when serializing to v2 (#3045) (50f5a2b)
3.1.2.0	January 14, 2026	—	64-bit Portable

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