Resolve C#.NET MVC 5 Cross Origin API request error 405 in AJAX

Hello Experts, We are getting one simple error which we are not able to make it solved and that is inside API calling through AJAX way. Same API if we call from diffrent server in AJAX way then it works fine but from same server with AJAX method not getting response and getting error as mentioned below :- [login to view URL]: Response for preflight has invalid HTTP status code 405. But in same server if we do API calling from Server side then it works fine and also external tools for API response check like postman if we check then also it works perfect. We need a solution just to resolve 405 error in Ajax and make site working now ASAP Budget fixed :- INR1500 Timeline :- 2 hour Technology :- C#.NET, MVC5, AJAX