: Prefix your routes (e.g., /v1/feature ) so you can update logic in the future without breaking existing integrations.
: Use tools like Joi or Zod to enforce data types, lengths, and formats (e.g., ensuring an email is actually an email). API CheatSquad
: Use correct HTTP status codes (e.g., 400 for bad requests, 401 for unauthorized, 404 for not found). : Prefix your routes (e
Never trust incoming data. A solid feature strictly validates every field to prevent common attacks like SQL Injection or Cross-Site Scripting (XSS) . Never trust incoming data
To write a solid API feature that is secure, scalable, and easy to use, focus on these five core pillars: 1. Robust Input Validation & Sanitization
: Ensure users can only access the specific resources required for that feature. For example, a "User" should not be able to call an "Admin" delete endpoint. 3. Meaningful Error Handling A solid feature doesn't just crash; it fails gracefully.
: Strip out dangerous characters or HTML tags from strings before they touch your database. 2. Secure Authentication & Authorization