# API Gateway

A single front door that routes requests to many backend services.

## What is **API Gateway**?

An **API gateway** is a single front door for many backend services: it routes requests, and handles shared concerns like authentication, rate limiting and logging.

Level: Freelancer · [More REST API terms at this level](https://www.ask-codey.com/glossary/subjects/rest-api/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/api-gateway