Protect Node.js APIs with rate limiting and security headers. Use express-rate-limit for per-endpoint throttling and helmet to harden HTTP response headers.
Tutorial series
Node Security
3 tutorials — follow in order for the best learning path.
- Rate Limiting and Security Headers in Node.js
- Input Validation and Sanitization in Node.js
Master input validation in Node.js with Zod, Joi, Yup, and express-validator. Learn to sanitize data, stop XSS and SQL injection, and keep your app secure.
- Node.js Error Handling in Production: Patterns and Best Practices
A practical guide to Node.js error handling in production: custom error classes, Express middleware, structured logging, and graceful shutdown.