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Enable CORS in ASP.NET Core WebAPI

Register the following service to the DI container

builder.Services.AddCors(options =>
{
   options.AddPolicy("ApiCorsPolicy", 
       policy => 
       policy.AllowAnyHeader()
           .AllowAnyMethod()
           .AllowAnyOrigin());
});

And then add the following line after calling builder.build();

app.UseCors("ApiCorsPolicy");

Note that this is a quick and dirty way
of allowing any origin to access your api!