OpenAPI in .NET 10: From Setup to Build-Time Generation (with Scalar UI)

📰 Dev.to · Naveed Ausaf

Learn how to set up and use OpenAPI in .NET 10 for build-time generation with Scalar UI, improving API documentation and reducing developer friction.

intermediate Published 20 Apr 2026
Action Steps
  1. Install the OpenAPI package in your .NET 10 project using NuGet.
  2. Configure OpenAPI to generate documentation at build-time.
  3. Use Scalar UI to visualize and interact with your API documentation.
  4. Test and refine your API documentation to ensure accuracy and completeness.
  5. Integrate OpenAPI with your existing development workflow to reduce friction and improve collaboration.
Who Needs to Know This

Backend developers and API designers can benefit from this tutorial to improve their API documentation and development workflow.

Key Insight

💡 OpenAPI and build-time generation can significantly improve API documentation and reduce developer friction, making it easier to develop and maintain APIs.

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🚀 Improve your API docs with OpenAPI in .NET 10! Learn how to set up build-time generation with Scalar UI and reduce developer friction. #OpenAPI #NET10 #APIdocs
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