I have controller inherit from Controller

with post method take dynamic parameter when i try to call it from postman it always return not allowed when I try to change the type to get to check the route it return unsupported media type other wise I have another controller with same project and it working fine with post method with dynamic parameter

I add Content-Type to application/json with post man
aim making sure that my url is correct
add request body to row in postman

[HttpPost]
[Route( "/call_back")]
public async Task<StatusCodeResult> CallBack([FromBody] dynamic dynamic)
{

} 

I add Content-Type to application/json with post man
aim making sure that my url is correct
add request body to row in postman