XML-RPC Tester! is a Chrome extension that provides a convenient way to test XML-RPC API services. This extension, developed by wang, is available for free on the Chrome platform.

With XML-RPC Tester!, users can easily test their XML-RPC API services and ensure they are functioning correctly. The extension allows users to define parameters using JSON, making it flexible and user-friendly. Additionally, the results are formatted with pretty formatted JSON, making it easy to read and analyze.

Whether you are a developer or a software tester, XML-RPC Tester! is a valuable tool for testing XML-RPC API services. Its simplicity and ease of use make it a must-have extension for anyone working with XML-RPC services.