Individual skill
implementing-api-schema-validation-security
Implements API schema validation using OpenAPI Specification and JSON Schema documents, enforced both at the API gateway (runtime) and during development (shift-left), to lock down request/response contracts and reject unknown properties. Use when preventing injection attacks (SQLi, XSS, XXE), blocking mass assignment, or stopping data leakage through unvalidated API responses.
skills/implementing-api-schema-validation-security/SKILL.md
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- Last checked
- Nov 9, 2026
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- 35,926
- Repository last updated
- Aug 31, 2026
- License
- Apache-2.0
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- ai-agents Repository topic
- claude-code Repository topic
- cybersecurity Repository topic
- incident-response Repository topic
- mitre-attack Repository topic
- penetration-testing Repository topic
- red-team Repository topic
- security Repository topic
- cloud-security Repository topic
- malware-analysis Repository topic
- api-security Declared skill tag
- schema-validation Declared skill tag
- openapi Declared skill tag
- json-schema Declared skill tag
- input-validation Declared skill tag
- data-leakage-prevention Declared skill tag
- mass-assignment Declared skill tag
- api-gateway Declared skill tag
- data Derived category
- security Derived category
- docs Derived category
- security-application Derived category
- docs-api Derived category
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LICENSEasset · 11,255 bytesSKILL.mdcore · 13,777 bytesSKILL.mdcore · 13,777 bytesSKILL.mdcore · 13,777 bytesreferences/api-reference.mddoc · 1,530 bytesscripts/agent.pyruns · 7,101 bytes
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# Implementing API Schema Validation Security
## Overview
API schema validation enforces that all data exchanged through APIs conforms to a predefined structure defined in OpenAPI Specification (OAS) or JSON Schema documents. This prevents injection attacks (SQLi, XSS, XXE), blocks mass assignment by rejecting unknown properties, prevents data leakage by validating response schemas, and ensures type safety across all API interactions. Schema validation operates at both the API gateway level (runtime enforcement) and during development (shift-left security).
## When to Use
- When deploying or configuring implementing api schema validation security capabilities in your environment
- When establishing security controls aligned to compliance requirements
- When building or improving security architecture for this domain
- When conducting security assessments that require this implementation
