Advanced REST Client (ARC)

API testing tool. Which allows web developers to create and test custom HTTP requests.

18 Alternatives To Advanced REST Client (ARC)

Charles

HTTP proxy / HTTP monitor / Reverse Proxy

Fiddler

Fiddler is a debugging program for websites.

HTTP Toolkit

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, CLI tools, scripts and more.

HTTPie

CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.

HttpRequester

Download HttpRequester for free.

Insomnia REST Client

The most intuitive cross-platform REST API Client 😴

Mocky

A window into your team’s Dropbox activity and projects
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Parasoft SOAtest

Parasoft SOAtest automates complete end-to-end testing for business and security-critical transactions.

Postman Collections

Biggest library of ready-made API collections for Postman

Postwoman

An online, open source API request builder

RESTClient

RESTClient can be used to test variety of HTTP communications and RESTful webservices.
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Requester

HTTP client plugin for Sublime Text with an expansive feature set, modern UX, elegant syntax and…

RestCase

Secure REST API Rapid Development Platform

Runscope

Log, monitor and measure your API usage to solve API problems fast.

WSO2 API Manager

WSO2 API Manager is a 100% open source enterprise-class solution that supports API publishing, lifecycle management, application development, access control, rate limiting and analytics in one cleanly integrated system.

Zed Attack Proxy

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding…

mitmproxy

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.