1. Core Concepts of API Testing

• HTTP Basics:
  • MDN Web Docs - HTTP Overview
  • REST API Tutorial
• RESTful API principles:
  • REST API Design — REST Cheat Sheet
  • REST API cheatsheet
• Authentication & Authorization:
  • OAuth 2.0 and OpenID Connect
  • JWT.io - Learn JSON Web Tokens
• Input Validation:
  • OWASP Input Validation Cheat Sheet
• Rate Limiting and Throttling:
  • API Rate Limiting Best Practices
  • Ultimate api security checklist

2. Security Testing

• API Security Testing:
  • OWASP API Security Top 10
  • API Security Testing with OWASP ZAP
• Penetration Testing:
  • API Penetration Testing: A Beginner's Guide
  • ## What is Application Security Testing?
• API Gateway Testing:
  • API Gateway Pattern
  • Kong API Gateway

3. API Testing Frameworks and Tools

• Postman/Newman:
  • Postman Learning Center
  • Automating API Tests with Newman
• Rest Assured (Java):
  • Rest Assured Documentation
  • API Testing Using Rest Assured
• Pytest (Python):
  • Pytest Documentation
  • API Testing with Pytest
• Karate:
  • Karate API Testing Documentation
• SoapUI:
  • SoapUI API Testing Tool

4. Testing Different API Aspects

• Functional Testing:
  • API Functional Testing Guide
• Security Testing:
  • API Security Best Practices
• Performance Testing:
  • JMeter API Performance Testing Guide
  • Getting Started with k6 Performance Testing
• Error Handling:
  • Best Practices for REST API Error Handling
• Data Integrity:
  • Ensuring API Data Integrity

5. Mocking & Stubbing

• WireMock:
  • WireMock Documentation
  • Mocking APIs for Integration Testing
• MockServer:
  • MockServer Documentation

6. CI/CD Integration

• CI/CD Pipelines for API Testing:
  • Newman API Testing with Jenkins
  • Postman in CI/CD Pipelines
  • API Testing in GitLab CI

7. Versioning & Dependency Management

• API Versioning:
  • Best Practices for API Versioning
• Environment Configuration:
  • Postman Environment Configuration
  • Testing API Environments in Pytest

8. API Documentation

• Swagger/OpenAPI:
  • Swagger Documentation
  • OpenAPI Specification
  • Auto-Generating API Documentation