api-validation

Validate API endpoints for schema, auth, error, and performance conformance.

Updated Nov 22, 2025
One-click install
npx skills add https://github.com/terrazul-ai/tz-packages --skill api-validation-terrazul-ai
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: api-validation
Source: https://github.com/terrazul-ai/tz-packages/tree/main/web-qa-engineer/templates/claude/skills/api-validation
Command: npx skills add https://github.com/terrazul-ai/tz-packages --skill api-validation-terrazul-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

API endpoints frequently drift from their definitions and expectations, leading to broken integrations, security gaps, and poor reliability. This skill provides end-to-end validation to catch schema mismatches, auth failures, and error handling gaps early in the development lifecycle.

Core Features & Use Cases

  • Schema validation: ensure responses conform to the OpenAPI/contract.
  • Authentication testing: verify token handling and auth flows.
  • Authorization testing: enforce proper permissions and access controls.
  • Error handling: check error responses and messages for consistency.
  • Performance testing: baseline and monitor latency and throughput.
  • Use Case: validate a new endpoint or a changed API against the contract before deployment.

Quick Start

Launch the API validation workflow against your endpoints to verify schemas, auth, errors, and performance.

Frequently Asked Questions about api-validation

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate API endpoints against an OpenAPI schema?

To validate API endpoints against an OpenAPI schema, run end-to-end checks that enforce schema conformance, authentication correctness, error handling, and performance baselines. This process catches schema mismatches and broken integrations early in the development lifecycle.

What is the best way to test API authentication and authorization flows?

Testing API authentication and authorization involves verifying token handling, auth flows, and proper access controls to enforce permissions. This ensures authentication correctness and prevents security gaps when validating new or changed endpoints.

Can I check API error handling and performance baselines before deployment?

Yes, you can check API error handling and performance baselines before deployment by applying deterministic tests to endpoints. This monitors latency and throughput while checking error response messages for consistency across varied auth schemes.

Does API validation work with varied endpoints and auth schemes?

API validation works with varied endpoints and auth schemes by applying deterministic test designs across documentation, tests, and deployment pipelines. It enforces schema conformance and authentication correctness regardless of the endpoint configuration.

Why does API endpoint drift lead to security gaps and broken integrations?

API endpoint drift causes security gaps and broken integrations because responses no longer match their OpenAPI definitions. End-to-end validation catches these schema mismatches, auth failures, and error handling gaps early to maintain reliability.

How do I automate API schema validation in deployment pipelines?

Automate API schema validation in deployment pipelines by applying deterministic tests that check OpenAPI conformance, auth flows, and error handling. This enforces performance baselines and schema correctness before new or changed APIs reach production.