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Dredd

Language-agnostic HTTP API Testing Tool

From apiaryio·Updated June 6, 2026·View on GitHub·
·Archived

> **Dredd is a language-agnostic command-line tool for validating > API description document against backend implementation of the API.** The project is written primarily in JavaScript, distributed under the MIT License license, first published in 2013. It has gained significant community traction with 4,223 stars and 277 forks on GitHub. Key topics include: api, api-blueprint, cli-app, dredd, http.

Latest release: dredd@14.1.0
November 16, 2021View Changelog →

Dredd — HTTP API Testing Framework

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Dredd - HTTP API Testing Framework

Dredd is a language-agnostic command-line tool for validating
API description document against backend implementation of the API.

Dredd reads your API description and step by step validates whether your API
implementation replies with responses as they are described in the
documentation.

Supported API Description Formats

Supported Hooks Languages

Dredd supports writing hooks
— a glue code for each test setup and teardown. Following languages are supported:

Supported Systems

Installation

$ npm install -g dredd

Quick Start

  1. Create an API Blueprint file called api-description.apib.
    Follow tutorial at API Blueprint website
    or just take one of the ready-made examples.

  2. Run interactive configuration:

    shell
    $ dredd init
  3. Run Dredd:

    shell
    $ dredd
  4. To see how to use all Dredd's features, browse the
    full documentation.

Howtos, Tutorials, Blogposts (3rd party)

Contributors

Showing top 12 contributors by commit count.

View all contributors on GitHub →

This article is auto-generated from apiaryio/dredd via the GitHub API.Last fetched: 6/15/2026