Can I run ASP.NET Core Minimal API and Azure Functions in the same project locally?

Question

I'm working on a backend that uses both ASP.NET Core Minimal API and Azure Functions (TimerTrigger and HttpTrigger). I want to run both locally for development and testing.

However, I'm running into port conflicts and unclear routing behavior.

Is it possible to combine both in the same .NET Core project? If so, how do I configure launchSettings.json or Program.cs to handle both correctly without conflict?

Any best practices for combining these in a single code base?

marc_s · Accepted Answer · 2025-07-27 12:14:51Z

4

You can run Minimal API and Azure Functions in the same .NET solution. But, not in the same project - it is not even recommended. Because, Minimal API rely on ASP.NET Core's web application and Kestrel.

But Azure Functions runtime uses its own host (func.exe) and startup pipeline.

Because both have different environments/runtimes, that's why it is not recommended to use them in same project.

edited Jul 27 at 12:14

marc_s

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answered Jul 27 at 11:42

Zeeshanwebdev

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2 Comments

smit patel Sep 19 at 2:14

Thanks @marc_s for suggestion, Can you please help to best options

Zeeshanwebdev Sep 20 at 5:08

I have already explained in answer. If you want to have both you should have them in different projects under same solution.

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