A Telegram Mini App is a web application that runs inside the Telegram client, launched from a bot's menu button, an inline keyboard button, or a direct link — with no separate download or app-store install. It renders through Telegram's built-in WebView and talks to the client via a JavaScript bridge that exposes the user's Telegram identity, the active color theme, and native UI controls like a main action button and a back button. Autogram's inline buttons can deep-link a channel post into a Mini App the operator has already set up with their bot, giving a post a richer landing experience than a plain URL.
Three entry points open a Mini App: a bot's persistent menu button, an inline keyboard button carrying a web_app field, or a t.me deep link. Each hands the WebView a signed initData payload — the user's Telegram ID, name, and a hash the bot's server can verify against its own token — so the Mini App knows who opened it without asking the user to log in.
The Telegram.WebApp JavaScript object gives the page the client's color scheme and viewport height so it can match the surrounding chat's theme instead of looking like an embedded foreign page, plus native-feeling controls — a MainButton docked at the bottom and a BackButton in the header — that the Mini App shows, hides, and relabels itself rather than building custom equivalents.
A Mini App is not itself a publishing surface — Autogram does not build or host one — but an inline button on an Autogram-scheduled post can deep-link into a Mini App the channel operator runs separately, turning a static announcement into an entry point for a calculator, a catalog, or a checkout flow without leaving Telegram.
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