ASP.NET Core 3.1 get method body breaks the request

Issue happened on ASP.NET Core 3.1 Web API controller. I have a method in controller with [HttpGet] attribute and [FromBody] for only parameter: [HttpGet] public async Task<ActionResult> GetMessages([FromBody] MessageRM messagesRequest) This method expects to receive a request model: public class MessageRM { public int RegionID { get; set; } public int? LastMessageID { get; set; … Read more