RESTer!

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You will need version 4 or higher of `firefox` https://www.mozilla.org/firefox
to run Pencil as a Firefox Extension. Linux users will need version 4 or higher of either `firefox`, `iceweasel` or `xulrunner` https://developer.mozilla.org/en-US/docs/Mozilla/Projects/XULRunner,
or version 25 or higher of `palemoon` https://www.palemoon.org/.
The Windows installer and OS X archive has everything you need built-in. Windows, Linux, OS X & Firefox Packages are available for download from the Releases Page https://github.com/prikhi/pencil/releases.
You can also install the Firefox Add-on from the Mozilla Add-on Repository https://addons.mozilla.org/en-US/firefox/addon/pencil-prototyping/.
To install the OS X package, unzip the archive and copy the `Pencil.app` folder t

RESTer alternatives

  • Postman

  • Postman helps you be more efficient while working with APIs. Postman is a scratch-your-own-itch project. The need for it arose while one of the developers was creating an API for his project. After looking around for a number of tools, nothing felt just right. The primary features added initially were a history of sent requests and collections. A number of other features have been added since then. Here is a small list.

    tags: api api-documentation api-management chrome-extension development

  • soapUI

  • Eviware, the maker of soapUI, Web Service Testing Leader

    tags: testing online-service soap

  • Advanced REST Client

  • The web developers helper program to create and test custom HTTP requests.Advanced REST client for Google Chrome.

    tags: developer-tools rest-api web-services-testing

  • Insomnia REST Client

  • Debug APIs like a human, not a robot.

    tags: api api-management cloud-sync configurable-proxy configurable-request-timeout

  • StopLight

  • APIs are essential to every online business. StopLight helps companies manage their API lifecycle. Our visual modeling solution removes the massive amount of manual effort needed today, and instead reduces friction, and improves efficiency, across all API stakeholders.

    tags: developers

  • Requester

  • Powerful, modern HTTP / REST client for Sublime Text. Requester has an expansive feature set, modern UX, powerful, elegant syntax and first class support for API testing and test automation. It runs on macOS, Windows and Linux. Some features:

    tags: debugger http rest-api sublime-text testing

  • apptalk.ninja

  • apptalk.ninja is a great, easy-to-use tool for app developers tackle that monitors and debugs issues with their apps’ communication over-the-air.

    tags: beacon bluetooth ibeacon ios-app-development ios-apps

  • RESTClient by Chao ZHOU

  • Features• It is owned and supported by a friendly community. Not a corporation. • More secure because its code is publicly available for review and contributions on GitHub at https://github.com/chao/RESTClient • Add-on for Mozilla Firefox at https://addons.mozilla.org/en-US/firefox/addon/restclient/ • Supports all HTTP methods RFC2616 (HTTP/1.1) and RFC2518 (WebDAV)• You can construct custom HTTP request (custom method with resources URI and HTTP request Body) to directly test requests against a server.• Basic Authentication• OAuth authentication• OAuth2 authentication• Custom Header• Load request file• Show HTTP request execution time• Remember favorite requests• Import or export favorite requests• Manage favorite requests• Switch to percentage page layout• List request headers in tag• Various themes to choose from »

    tags: add-ons rest-api