After having a hard time getting my area to show with endpoint routing i managed to fix it in this self answered thread (albeit not in a very satisfactory way) : Issue after
The Identity UI is implemented using Razor Pages. For endpoint-routing to map these, add a call to MapRazorPages in your UseEndpoints callback:
MapRazorPages
UseEndpoints
app.UseEndpoints(endpoints => { // ... endpoints.MapRazorPages(); });