// The Controller Action when data is posted in the Uri:

// POST: api/PostUri
[HttpPost]
[ActionName("PostUri")]
public Result Post([FromUri]Data data)
{
   // Do something..
}

// The Controller Action when request is posted with data in the Body:

// POST: api/MyController/PostBody
[HttpPost]
[ActionName("PostBody")]
public Result PostBody(Data data)
{
   return Post(data);
}