Httper is a free and open-source REST API test tool that runs on Android devices. It helps developers to test their REST API anywhere and anytime without the need for desktops. With Httper, developers can submit an HTTP request with several headers, parameters, and raw request body using six different HTTP methods, including GET, POST, HEAD, PUT, DELETE, and PATCH. The HTTP response can be shown in three different styles, which include pretty, raw, and preview. Additionally, Httper supports response status code and headers.

Httper is a flexible tool that allows developers to test their REST API on the go without the need for a desktop. Its easy-to-use interface enables developers to submit HTTP requests with a range of parameters and headers. The ability to view responses in different styles gives developers more control when testing their API. Httper is a must-have tool for developers who need to test their REST API while on the go.