405 method not allowed Web API

Question

This error is very common, and I tried all of the solutions and non of them worked. I have disabled WebDAV publishing in control panel and added this to my web config file:<

Answer 1

This does not answer your specific question, but when I had the same problem I ended up here and I figured that more people might do the same.

The problem I had was that I had indeliberately declared my Get method as static. I missed this an entire forenoon, and it caused no warnings from attributes or similar.

Incorrect:

public class EchoController : ApiController
{
    public static string Get()
    {
        return string.Empty;
    }
}

Correct:

public class EchoController : ApiController
{
    public string Get()
    {
        return string.Empty;
    }
}