# REST API Testing Reference Kit > Comprehensive REST API testing reference using Postman Collection SDK v2.1 and Newman CLI. Includes assertion libraries for JSON Schema validation with Ajv, response time benchmarking, and contract testing patterns. Use when this capability is needed. - Skill: `tomevault-io/rest-api-testing-reference-kit` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/rest-api-testing-reference-kit` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/rest-api-testing-reference-kit/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Integrations & APIs - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/rest-api-testing-reference-kit --- # REST API Testing Reference Kit Comprehensive REST API testing reference using Postman Collection SDK v2.1 and Newman CLI. Includes assertion libraries for JSON Schema validation with Ajv, response time benchmarking, and contract testing patterns. ## Installation No source-backed install or usage instructions could be extracted automatically. Review the upstream project before running this skill in a sensitive workflow. - Source: https://swagger.io/solutions/api-testing/ ## Documentation - https://swagger.io/solutions/api-testing/ ## Source - [Agent Skill Exchange](https://agentskillexchange.com/skills/rest-api-testing-reference-kit/) --- > Source: [agentskillexchange/skills](https://github.com/agentskillexchange/skills) — distributed by [TomeVault](https://tomevault.io).