What Makes an API Great?
A great API is one that developers can use without reading the docs. It's intuitive, consistent, and forgiving.
Consistency is King
Use consistent naming conventions, response shapes, and error formats throughout your API.
json
// ✅ Consistent error shape
{
"error": {
"code": "VALIDATION_ERROR",
"message": "Email is required",
"field": "email"
}
}Versioning Strategy
Always version your API from day one. URL versioning (/v1/users) is the most explicit and widely understood approach.
Documentation
Auto-generate docs from your code using tools like OpenAPI/Swagger. Keep examples up to date — stale examples are worse than no examples.
Conclusion
The best API is one that gets out of the developer's way. Invest in consistency, documentation, and clear error messages.