endpoint

Think of a service desk window at city hall: each window handles one kind of request. An endpoint is a specific web address that handles one kind of task for your app.

It is the place your app sends a request, a message sent over the internet, to fetch or update something. An endpoint often returns JSON, a simple text format for data, over HTTPS, the locked version of web traffic.

Endpoints matter because your app cannot store everything on the phone. It asks a server to do work or provide data, which is how sign‑in, payments, and search happen.

In practice you will see addresses like https://api.example.com/users. The app sends JSON to that address and gets JSON back. The address may require a key, a secret pass, which you store as an environment variable.