Contract Completeness Checker
Score OpenAPI specs for missing descriptions, examples, response codes, error schemas, and security schemes. Free API contract quality checker by Graph Tools.
Use this free contract completeness checker to score your OpenAPI specification for quality and completeness. The tool checks every operation for missing descriptions, absent request and response examples, undeclared error response codes, missing error schemas, and gaps in security scheme coverage. Receive a percentage score with a breakdown by category. Useful for developer experience teams, API documentation reviewers, and QA engineers.