Validating API Responses Overview Validate API responses against OpenAPI schemas, JSON Schema definitions, and contract specifications to detect data integrity violations, schema drift, and backward compatibility regressions. Run validation in middleware (development/staging) or as post-deployment contract tests to ensure every response conforms to the documented API contract. Prerequisites - OpenAPI 3.0+ specification with complete response schema definitions for all endpoints - JSON Schema validator: Ajv (Node.js), jsonschema (Python), or everit-org/json-schema (Java) - Response validation…