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RESTest

API—OSS—FREE—DOCS1/5
RE4.8#33 of 35
—WeboutWindows—Mac—Linux—Android—iOS

Ranked in API Testing Tools ·No free plan on record

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About

RESTest is ranked #33 of 35 in API testing tools on Inferse. It runs on Self-hosted, Windows.

Facts

Purpose
RESTest is a black-box tool that generates requests from an OpenAPI document, tests a REST API, checks responses, and reports faults.github.com · 5 Oct 2026
OpenAPI support
It reads OpenAPI versions 2.0, 3.0, and 3.1.github.com · 5 Oct 2026
No source access required
Testing uses the API description and its responses without inspecting the API's source code.github.com · 5 Oct 2026
Response checks
RESTest reports HTTP 500 responses and response bodies that do not match the documented schema.github.com · 5 Oct 2026
Reproducible requests
Each reported fault includes a curl command to send the same request again.github.com · 5 Oct 2026
Configuration
Users can customize test data with dictionaries, change a campaign plan, and configure settings through files, command-line options, or environment variables.github.com · 5 Oct 2026
Authentication
The command line accepts API keys, bearer tokens, and session cookies, and redacts credentials in reports and saved output.github.com · 5 Oct 2026
Reporting
RESTest writes a machine-readable report containing faults, operations, and run settings.github.com · 5 Oct 2026
CI use
The manual covers using RESTest in continuous integration, and its exit codes can make a build fail when faults are found.github.com · 5 Oct 2026
Requirements
Building RESTest requires Java 21 or later and git; running it requires a Java runtime.github.com · 5 Oct 2026
Windows support
The installation instructions say to run RESTest on Windows from Git Bash.github.com · 5 Oct 2026
Notable limitation
From version 2.0, RESTest is a complete rewrite and is incompatible with RESTest 1.x files, commands, and reports.github.com · 5 Oct 2026
License
The README states that RESTest is distributed under Apache License 2.0.github.com · 5 Oct 2026

Company

Headquarters
Seville, Spaingithub.com · 28 Sept 2026

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Where it ranks on Inferse

Sources