Skip to main content
net11.0

Provides APIs for annotating route handler endpoints in ASP.NET Core with OpenAPI annotations. This package was built from the source code at https://github.com/dotnet/dotnet/tree/820230c386db5b0106c5430b3e5aee92a7826bf5

Published
Oct 13, 2026
8d ago
Total Downloads
246.3M
246,317,261

Install

dotnet add package Microsoft.AspNetCore.OpenApi --version 11.0.0-rc.2.26504.105
ProductVersions
.NET
net11.0

README

Changes from Previous Version

No structural changes between v11.0.0-rc.1.26425.128 and v11.0.0-rc.2.26504.105.

Adoption Assessment

Teams staying close to first-party ASP.NET Core primitives and minimal external framework layering.

ASP.NET Core Guide
This version is marked prerelease. Validate its API and upgrade path before production use.Compatibility metadata lists 1 target framework; confirm the exact target used by your application.
Editorial Note: First-party OpenAPI generation support aligned with modern ASP.NET Core hosting patterns. Trade-off: Feature customization depth may require additional conventions or complementary packages.

Related Guides & Workflows

Learn how to evaluate, integrate, or audit this package in your .NET project.