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RESTest

Ch 246.2of 35 API Testing Tools

1Runs onself-hosted, Windows
2CostsNot stated by the maker

1 lines stated Written from the maker's own pages

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Overview

RESTest is ranked #24 of 35 in API testing tools on Specifiction. 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