: Return a 429 Too Many Requests status to tell the client to slow down. 5. Clear Documentation & Versioning
: Use correct HTTP status codes (e.g., 400 for bad requests, 401 for unauthorized, 404 for not found).
: Use tools like Joi or Zod to enforce data types, lengths, and formats (e.g., ensuring an email is actually an email). API CheatSquad
Never trust incoming data. A solid feature strictly validates every field to prevent common attacks like SQL Injection or Cross-Site Scripting (XSS) .
: 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. : Return a 429 Too Many Requests status
A feature is only "solid" if others can use it correctly without constant help.
: Strip out dangerous characters or HTML tags from strings before they touch your database. 2. Secure Authentication & Authorization : Use tools like Joi or Zod to
: Limit the number of calls a single API key or IP address can make per minute/hour.