Writingtransmissions
#openapi
OpenAPI and Swagger in ASP.NET: diffing specs, catching breaking changes and snapshotting APIs in CI.
2 posts
2026
- Iterating a .NET CI/CD Pipeline From 12 Minutes to Under 5
I added automated API snapshot tracking to a four-service .NET backend and watched GitHub Actions build times go from 3 minutes to over 12.
2025
- Catching Breaking API Changes in ASP.NET Core with OpenAPI Diffs
Three generations of a Swagger diff tool: from React SPA to embedded HTML to reusable NuGet packages. The patterns that made it work across ASP.NET projects.