API Filtering & Sorting

Build flexible filtering and sorting systems that handle complex queries efficiently.

Query Parameter Syntax

GET /products?category=electronics&price[gte]=100&price[lte]=500&sort=-price,name

Implementation (Node.js)

const allowedFilters = ['category', 'status', 'price', 'createdAt'];
const allowedSorts = ['name', 'price', 'createdAt'];

app.get('/products', async (req, res) => {
  const filter = {};
  const sort = {};