I am running an Azure WebApp (Windows) with an ASP.Net 8.0 WebAPI application. If I add an “+” char in the URL, I get following error: “The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.”

GET xxx/v1.0/sync/testtest –> works fine

GET xxx/v1.0/sync/test+text –> do not work

If I run this locally, both requests work without any problems or errors. Other special chars also work (like % or “, etc.). I don’t have any special configurations in my applications or WebApp settings. Any suggestions how I can fix this?