Schemathesis: Effective API Testing, simplified

📋 Overview

Schemathesis is an API testing tool that automatically finds crashes and validates spec compliance.

🎯 Catch Bugs & Ensure Compliance: Detect hidden crashes, edge cases, and spec violations.
⚡ Fast & Automated Testing: Generate diverse test cases from your API schema to save time.
🧩 Seamless Integration: Compatible with OpenAPI, GraphQL, and CI/CD workflows.
🔧 Customizable: Adapt testing with Python extensions and rich configurations.
🐞 Debugging Made Easy: Detailed reports and reproducible cURL commands.
🔬 Research-Backed: Recognized in academic studies as a state-of-the-art API testing tool.

docker run schemathesis/schemathesis:stable
   run --checks all https://example.schemathesis.io/openapi.json

Integrate API tests directly into your CI/CD pipeline with minimal YAML config.

- uses: schemathesis/action@v1
  with:
    schema: 'https://example.schemathesis.io/openapi.json'