Telegram Mini App development
A full app inside Telegram: it opens from a chat with no install, signs in with one tap, takes payments and sends notifications through the bot. Shares data with your site.
06 08 service 6 of 8 in Websites Development
What’s included
- A full interface inside Telegram — no install, no app store, no download friction
- Native login, payments and notifications
- Works alongside your site and shares its data
- Bot and Mini App as one system, not two projects
Who it’s for
- Services whose audience already lives in Telegram
- Stores wanting a second sales channel without an app budget
- Communities, subscriptions and booking-based businesses
In short
A Telegram Mini App is a full interface that opens right inside Telegram: no install, no app store, sign-in with one tap. People can browse a catalogue, book a slot, pay and get notifications without leaving the messenger they already use every day. We build the Mini App and its bot as one system that shares data with your site and CRM, check every sign-in on the server and connect payments by Telegram’s rules. The price is counted in hours and fixed before the start.
What a Mini App gives you
Your audience is already in Telegram. A Mini App meets people there instead of asking them to go somewhere else.
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No install
It opens from a chat, a button or a link — no app store and no download barrier.
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Sign-in with one tap
Telegram already knows the user: no registration form and no password to forget.
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Notifications people read
Order statuses and reminders arrive as bot messages in the messenger, not in an email nobody opens.
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Payment inside
Goods and services are paid for through payment providers, digital goods — in Telegram Stars.
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A second channel without an app budget
One web interface works on every phone inside Telegram — instead of two native apps and two store reviews.
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An audience that is already there
Telegram has more than a billion users a month — many of your clients open it every day.
Bot, Mini App, website or mobile app?
They do not compete — they cover different tasks. Often a site and a Mini App work together on shared data.
| Criterion | Bot | Mini App | Website | Mobile app |
|---|---|---|---|---|
| Interface | buttons and messages | a full screen inside Telegram | a full screen in the browser | a full screen on the device |
| Install | none | none | none | from an app store |
| Sign-in | automatic | one tap | registration or a password | registration |
| Notifications | bot messages | through the bot | email, browser push | push notifications |
| Found in search | no | no — inside Telegram only | yes | in the app store |
| Development effort | small | medium | medium | large: two platforms and publishing |
| When to choose | simple scenarios: notifications, quick answers | catalogue, booking, an account — where the audience is in Telegram | the main channel and search traffic | daily use and device features |
What a Mini App can be
Anything where a person wants to act quickly, right from a conversation.
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01
A catalogue and orders
A store or a menu with a cart — a second sales channel next to the site.
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Booking
A specialist, a time slot, a table, a room — with a reminder from the bot before the visit.
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An account and subscriptions
Orders, balance, access to content and subscription renewal in one place.
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Loyalty programmes
Points, levels and a personal code instead of a plastic card.
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Quizzes and applications
A step-by-step form that collects an enquiry or picks a product right in the chat.
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A tool for your team
Orders, tasks and reports for staff on the move — without a separate app.
How it works: the bot and the Mini App as one system
Not two projects, but one: a shared server and database with your site.
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The bot
The entrance and the voice: a button that opens the Mini App, notifications and reminders.
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The Mini App
The interface: screens, a catalogue, forms and payment — adapted to the user’s light or dark Telegram theme.
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Shared data with the site
Orders, clients and products live in one database, so the site, the Mini App and the CRM see the same thing.
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A verified sign-in
User data comes signed by Telegram and is checked on the server — nobody can pretend to be someone else.
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Payments by Telegram’s rules
Physical goods and services — through a payment provider; digital goods and content — in Telegram Stars.
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An admin panel
Orders, users and messages from the bot — to those who have started a conversation with it.
What to keep in mind
A Mini App is a strong channel, but it lives on someone else’s platform. Here is what that means.
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01
Telegram’s rules
The platform sets the rules for payments and content and can change them — the app is built so it can adapt.
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02
Not visible in search
Search engines do not index a Mini App. To be found, you need a site; the Mini App serves those who are already with you.
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03
Different phones
The interface is checked on iOS and Android and in both themes — Telegram shows it differently on each.
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04
Messages without spam
The bot writes only to those who started it. Too frequent mailings lead to blocks and complaints.
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Availability for your audience
It is worth checking that Telegram is popular and available in the countries where your clients are.
Common Mini App mistakes
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Moving the whole site inside
A Mini App is for quick actions. Ten menu sections and long texts work worse there than on a site.
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Two separate databases
If the bot, the Mini App and the site keep data apart, orders get lost and clients see different prices.
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Asking to register again
Telegram already knows the user. An extra form at the entrance loses people.
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Trusting the sign-in without a check
Without checking Telegram’s signature on the server, anyone can pretend to be another user.
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Ignoring the dark theme
Many people use Telegram in the dark theme — a white screen with fixed colours looks foreign.
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Mailings every day
A bot that writes too often gets blocked — and loses the channel for important messages.
Questions about Telegram Mini Apps
What is a Telegram Mini App?
A web application that opens inside Telegram: with its own screens, buttons and payment, without installing anything.
How is a Mini App different from a bot?
A bot talks in messages and buttons. A Mini App is a full interface: a catalogue, forms, a calendar. Usually they work together — the bot opens the Mini App and sends notifications.
Does the user need to download anything?
No. The Mini App opens from a chat, a button or a link inside the Telegram the person already has.
Can I accept payments?
Yes. Physical goods and services are paid for through a payment provider, while digital goods and content inside Telegram are sold for Telegram Stars — that is the platform’s rule.
Can it be connected to my site and CRM?
Yes — that is how we build it: one database for the site and the Mini App, and orders and clients go to the CRM.
Can a Mini App be added to an existing bot?
Yes. The Mini App is attached to your bot, and its existing scenarios keep working.
Will a Mini App bring people from Google?
No, search engines do not index a Mini App. For search you need a site; the Mini App works with those who are already in touch with you in Telegram.
How much does a Mini App cost?
The price is counted in hours: it depends on the screens and scenarios, payments and integration with the site and CRM. The sum is fixed together with the scope before the start; the estimate is free.
Online form
Discuss
a Mini App
Tell us what people should be able to do in Telegram and whether you already have a bot or a site — we will suggest a solution and estimate the work. The consultation is free.