The Fiddler's Composer allows you to create requests to APIs. Requests made to local and online APIs will enable you to check and debug various endpoints, inspect and analyze requests and responses, and to retrieve and receive data quickly.
Create your first API request by following these steps:
Select an appropriate HTTP method and enter the endpoint URL. The Composer supports GET, POST, PUT, DELETE, TRACE, SEARCH and PROPFIND methods.The Composer allows you also to change the version of the HTTP protocol via a drop-down menu to the left of the Execute button.
(Optional) If required, enter additional headers, params, and body. For example, common scenarios are to enter an authorization header, a
Content-typeheader, or custom body data.
By default, Fiddler Everywhere client will add
User-Agentheader with value Fiddler Everywhere. This header lets servers and network peers identify the application, operating system, vendor, and/or version of the requesting user agent.
Use the Raw view to inspect in detail the request that will be sent to the server. The view is read-only.
Click Execute to send the composed API request.
Inspect the result in the Composer's Response inspector. Like the inspectors for the Live Traffic tab, the Response inspector for the Composer provides multiple views (for example, Headers, Raw, JSON, etc.).
(Optional) You can save the request by clicking on the Save button (to the right of Execute). Saved requests are loaded in a collection in the Requests list and can be reused or shared with collaborators.