home/categories/testing/chaserbreitenbach-claude-skills-and-agents-skills-testing-api-contract-validator-skill-md
testingtesting-security

api-contract-validator

Validates API contracts for correctness, compatibility, and compliance. Tests REST APIs against OpenAPI/Swagger specifications. Detects breaking changes between versions, validates runtime responses against schemas, and ensures backward compatibility before deployment.

chaserbreitenbach
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chaserbreitenbach
Updated 1/12/2026
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quick start

Installation and usage

Validates API contracts for correctness, compatibility, and compliance. Tests REST APIs against OpenAPI/Swagger specifications. Detects breaking changes between versions, validates runtime responses against schemas, and ensures backward compatibility before deployment.

Installation
$ install --globalskills.sh
Usage

Once installed, you can use this skill by running the following command in your terminal:

skills use api-contract-validator