This parameter has to be set to send the request body in JSON format. This is a field you can exclude. Content-Type: application/json; charset=utf-8. This header lets servers … 私はC＃を使用して簡単なWebApiプログラムを書いています。. 4. Describing Request Body. Fiddler Post Request Body You can use it to test and inspect your POST request. When a parameter has [FromBody], Web API uses the Content-Type header to select a formatter. When we send a POST request we generally intend to have some modification at the server such as updation, deletion, or addition. And that’s it! application Set the Request Content-Type Header Parameter. Request Body – Data is sent with the request. Good. To make custom changes to web requests and responses, use FiddlerScript to add rules to Fiddler's OnBeforeRequest or OnBeforeResponse function. Here we need to use $(..) to represent an array. To add the JSON data in the body of the 'HTTP Request', select 'raw' from the list of options and enter your JSON data in the textbox that … 2.前面讲过post的请求多一个body部分，上图红色区域就是博客园登录接口的body部分，很明显这种格式是前面讲到的第一种json格式. The following figure illustrates HTTP POST request in fiddler. application/json When we execute this, we will see a 201 … Small integers are encoded into a single byte, and typical short strings require only one extra byte in addition to the strings themselves. In my example, server expects a json body that contains new user … Using JSON.NET for dynamic JSON parsing