testing-api

Test API endpoints and contracts across REST, GraphQL, and gRPC protocols.

4|2|Updated Feb 26, 2026
One-click install
npx skills add https://github.com/wojons/skills --skill testing-api
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: testing-api
Source: https://github.com/wojons/skills/tree/main/skills/testing-api
Command: npx skills add https://github.com/wojons/skills --skill testing-api

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill streamlines the process of verifying API functionality, performance, and adherence to contracts, ensuring robust and reliable service interactions.

Core Features & Use Cases

  • Endpoint Testing: Validate various HTTP methods (GET, POST, PUT, DELETE) for API endpoints.
  • Contract Validation: Ensure API responses conform to defined schemas (OpenAPI/Swagger).
  • Authentication & Error Handling: Test authentication mechanisms and verify correct error responses.
  • Use Case: When developing a new microservice, use this Skill to automatically test all its endpoints against its OpenAPI specification, catching contract violations early in the development cycle.

Quick Start

Use the testing-api skill to run a Postman collection named 'api_tests.postman_collection.json' against the staging environment.

Frequently Asked Questions about testing-api

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

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

You can validate API endpoints against an OpenAPI specification by using automated testing tools to verify that HTTP responses conform to your defined schema. This ensures contract adherence for REST, GraphQL, and gRPC protocols.

Does API contract testing cover authentication and error handling?

API contract testing covers both authentication mechanisms and error handling by verifying correct error responses. It validates functionality and schema adherence to ensure robust service interactions.

Can I test GraphQL and gRPC protocols with Postman and curl?

You can test GraphQL and gRPC protocols using tools like Postman, curl, and Supertest. These tools validate endpoint functionality, performance, and schema contracts across multiple protocol types.

What is the best way to automate API verification in development workflows?

The best way to automate API verification in development workflows is by running Postman collections or scripts against staging environments. This catches contract violations early by validating endpoints automatically.

How do I test HTTP methods like GET, POST, PUT, and DELETE for API endpoints?

You test HTTP methods like GET, POST, PUT, and DELETE by running automated endpoint validation scripts. This process checks functionality, performance, and authentication for each API request.

Why do I need schema validation for my microservice endpoints?

Schema validation for microservice endpoints is needed to catch contract violations early in the development cycle. It ensures API responses conform to OpenAPI specifications, maintaining reliable service interactions.