This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. Secure API Design Principles Secure API Design Principles Secure API Design Principles Secure API Design Principles Secure API Design Principles Secure API Design Principles Secure API Design Principles Secure API Design Principles Secure API Design Principles Introduction APIs are the backbone of modern application architecture. A well-designed API considers security at every layer, from request validation to response handling. Security must be built into the API contract — it cannot be bolted on afterward. Input Validation Validate all input at the API boundary before processing. Never trust client-provided data.…