Query Parameters

Summary

Key-value pairs appended to a URL (`?page=2&sort=price`) captured into `req.query` — the standard way to handle filtering, sorting and pagination options.

• 1Build a search endpoint reading filters from `req.query`.
• 2Set sensible defaults for missing query params, e.g. a default page size.
• 3Validate and sanitize query params before using them in a database query.