Firefox Add-On: Poster 2.0.0

Poster is quite similar to the RESTClient, and has some very handy features for interacting with web services and other web resources that lets you make HTTP requests, set the entity body, and content type. For example, the Accept MIME-type is easier to set with Poster.  It is useful developer tool that allows interacting with a web services and inspecting the results such as the Nstein REST API.

Features

• full range of HTTP methods available via a simple button click
• ability to set any HTTP header
• ability to set request parameters
• able to auto-format parameter body (i.e. form submission)
• able to save preferences for session or permanently
• supports basic auth and google login
• displays complete results–including headers

Poster Firefox Extension’s project home page: https://addons.mozilla.org/en-US/firefox/addon/2691