Node.js API Masterclass with Express and MongoDB - Rate Limiting, HPP & CORS

The video tutorial covers implementing rate limiting and protection against HTTP parameter pollution using Express middleware. It demonstrates setting up express-rate-limit and HPP packages, testing rate limits, and enabling CORS for cross-domain requests. The tutorial concludes with a discussion on finalizing the API and planning for documentation using Postman and DocGen.

What is the purpose of implementing rate limiting in an API?

Explain how express rate limit can be configured for requests.

What is HTTP parameter pollution and how can it be prevented?

Describe the steps to install and use the express rate limit middleware.

How does the API respond when the rate limit is exceeded?

What is the role of CORS in API development?

Why is documentation important for a public API?