Good API design is about creating a predictable, secure, well-documented interface that developers can easily understand and use reliably. Focus on consistency, clear error handling, proper status codes, and comprehensive documentation

1. Restful Design
2. Request/response Design
3. HTTP Status Code
4. API Versioning
5. Input Validation/Sanitation
6. Error Handling
7. Documentation Design
8. Security Design
9. Performance Design
10. Testing Design