Build a Secure REST API Design Framework for Developers
Create a REST API framework that helps developers implement secure-by-default endpoints, handling authentication, rate limiting, data validation, and access control.REST APIs are the backbone of most modern web and mobile applications. Without security in mind, they can expose sensitive data, become entry points for attacks, and leave systems vulnerable to abuse. This framework helps enforce security from the start.
The aim is to provide a reusable REST API boilerplate that includes secure defaults like JWT-based authentication, strict input validation, CORS policy enforcement, HTTPS-only transport, rate limiting, and role-based access control for endpoints.
JWT-Based Authentication
Authenticate API requests using signed tokens, refresh logic, and protected route guards.
Input Validation & Sanitization
Use schema validation tools to prevent injection and malformed data exploitation.
Rate Limiting & IP Blocking
Prevent brute-force and abuse by limiting requests per IP using in-memory or Redis stores.
CORS & HTTPS Enforcement
Enforce HTTPS and restrict cross-origin access using strong CORS policies.
When developers create new API routes, the framework automatically applies middlewares for token validation, rate limiting, and input sanitization. Admin-protected routes are available with RBAC controls, and all API responses are standardized and secure.
- All endpoints are protected by default using middleware and HTTPS checks.
- Authentication flows include login, refresh tokens, and password reset endpoints.
- Requests exceeding limits are blocked with meaningful error messages and logs.
- Admin and user routes are separated using roles and permissions logic.
- Each API response is structured with status codes, data, and error payload formats.
Framework & Server
Express.js or FastAPI for fast, modular API design with middleware support.
Authentication & Access Control
JWT (jsonwebtoken), Passport.js, OAuth2, and role-based middleware.
Rate Limiting & Logging
Express-rate-limit, Redis store, Winston logger or Bunyan.
Validation & Security
Joi (Express), Pydantic (FastAPI), Helmet.js, CORS middleware, and HTTPS enforcers.
1. Setup API Server and Auth Middleware
Build a basic Express/FastAPI server and add token-based authentication middleware with JWT.
2. Add Request Validation Layer
Use Joi or Pydantic schemas to enforce strict validation on all incoming request data.
3. Enforce HTTPS and CORS Rules
Allow access only over HTTPS with strict origin whitelisting for CORS.
4. Implement Rate Limiting
Limit API requests using in-memory store or Redis, and return helpful 429 responses.
5. Build Role-Based Access Control (RBAC)
Tag routes with required roles (admin, user, guest) and verify permissions before access.
Build APIs That Are Secure by Design
Help developers write REST APIs that follow modern security principles — with built-in protections against abuse, injection, and unauthorized access.
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