Hi,
I can assist you to fix errors encountered in REST API Get/Post calls. I assume you are making REST API calls from client side using AJAX. Please contact me with details.
I'm a full-stack web developer specializing in C#, ASP.NET MVC, Entity Framework, LINQ, Web API, WCF, Windows Services, SignalR, Sql Server, Bootstrap, typescript, angular 1.x/2 and higher, knockoutjs, jquery, javascript, css, etc. And also knowledgeable in version control tools like GIT and TFS.
Please contact me to discuss further.