Run Contract Tests From Api Descriptions Against Live Endpoints Before Integrations Break With Dredd

---
name: "Run contract tests from API descriptions against live endpoints before integrations break with Dredd"
slug: "run-contract-tests-from-api-descriptions-against-live-endpoints-before-integrations-break-with-dredd"
description: "Lets an agent execute OpenAPI or API Blueprint contract checks against a running service so spec drift is caught before release."
github_stars: 4227
verification: "security_reviewed"
source: "https://github.com/apiaryio/dredd"
author: "Apiary"
publisher_type: "organization"
category: "Library & API Reference"
framework: "Multi-Framework"
tool_ecosystem:
  github_repo: "apiaryio/dredd"
  github_stars: 4227
  npm_package: "dredd"
  npm_weekly_downloads: 53933
---

# Run contract tests from API descriptions against live endpoints before integrations break with Dredd

Lets an agent execute OpenAPI or API Blueprint contract checks against a running service so spec drift is caught before release.

## Prerequisites

Node.js, Dredd CLI, OpenAPI or API Blueprint spec, running API endpoint

## Installation

Use the upstream install or setup path that matches your environment:
- $ npm install -g dredd

Requirements and caveats from upstream:
- [Node.js (JavaScript)](https://dredd.org/en/latest/hooks-nodejs/)
- [Python](https://dredd.org/en/latest/hooks-python/)

Basic usage or getting-started notes:
- Create an [API Blueprint][] file called api-description.apib.
- Follow [tutorial at API Blueprint website][api blueprint tutorial]
- or just take one of the [ready-made examples][api blueprint examples].

- Source: https://github.com/apiaryio/dredd
- Extracted from upstream docs: https://raw.githubusercontent.com/apiaryio/dredd/HEAD/README.md

## Documentation

- https://dredd.org/

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/run-contract-tests-from-api-descriptions-against-live-endpoints-before-integrations-break-with-dredd/)