Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to compatible requests.

Features:
<ul><li>Loads and saves to plain Git-friendly TOML files, so that you can own your data.</li><li>Customization and modification of the request headers and body payloads.</li><li>Variable binding for API keys and other secret information.</li></ul>