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API Contract Drift Detector

Compare OpenAPI/AsyncAPI specs with actual implementation to detect breaking changes and undocumented behavior.

Updated June 2026

The prompt

Check for contract drift between this API specification and implementation. Compare:

OpenAPI spec:
{{api_spec}}

Actual endpoint code:
{{endpoint_code}}

Analyze: (1) missing response fields, (2) undocumented error codes, (3) type mismatches, (4) behavior deviations. Flag {{severity_level}} issues.

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Variables

OpenAPI/AsyncAPI specification

Implementation code for endpoint

Severity threshold (critical, medium, all)

Details

Author

AI Khazna

License

—

Security

—

Type

prompt

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