12. API Development & Testing

5 certs | ~$650

Target Certifications

• Postman API Fundamentals Student Expert — Free
• Postman API Testing Path Certificate — Free
• Postman Engineer Learning Path Certificate — Free
• MuleSoft Integration & API Associate — $250
• MuleSoft Certified Developer – Level 1 — $400

What You'll Learn

API fundamentals, REST & HTTP methods, API testing & automation, Postman collections & environments, CI/CD integration via CLI, API lifecycle management, integration patterns, MuleSoft Anypoint Platform, API-led connectivity

Suggested Learning Path

1. Complete all three free Postman Academy paths — you'll earn three certificates at no cost
2. Build API collections and automated tests in Postman for a real project
3. Progress to MuleSoft certs after gaining integration experience

Study Guides

• Designing Web APIs — Brenda Jin, Saurabh Sahni, Amir Shevat (O'Reilly, 1st Edition, 2018)