: Use tools like Joi or Zod to enforce data types, lengths, and formats (e.g., ensuring an email is actually an email).
: Use Swagger/OpenAPI to generate interactive documentation. API CheatSquad
: 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
Never trust incoming data. A solid feature strictly validates every field to prevent common attacks like SQL Injection or Cross-Site Scripting (XSS) . and formats (e.g.
: Use industry standards like OAuth 2.0 or JWT (JSON Web Tokens) .
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