Telegram Mini App Development for Crypto

A mini app for a crypto company is a web app that opens inside Telegram: users connect a TON wallet, see balances, complete tasks, buy digital goods or use your service without installing a separate app. A first working version takes up to 15 working days.

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In short

Built on the Telegram Mini Apps platform with a React front end and a Node, Laravel or Firebase back end.
Wallets through TON Connect; payments for digital goods in Telegram Stars under Telegram rules.
A first working version (MVP) takes up to 15 working days after the specification and materials are agreed.
Smart contracts on TON or EVM chains are scoped separately and audited before mainnet.
Analytics and anti-fraud rules for tasks, referrals and rewards.

What is included in a crypto mini app

Product specification. Screens, user actions, rewards logic, on-chain and off-chain parts.
Interface. Mobile-first design that follows Telegram themes and works in light and dark mode.
Wallet connection. TON Connect for TON wallets; WalletConnect for EVM when needed.
Payments. Telegram Stars for digital goods and services inside Telegram; crypto payments where the rules allow.
Tasks and referrals. Quests, referral links, leaderboards, with limits against bots and multi-accounts.
Back end and admin. User data, campaigns, rewards, content and reports in an admin panel.
Bot integration. A companion bot for launch, notifications and support.
Analytics. Opens, retention, conversion to key actions.

Mini app icon connected to API and feature modules

Telegram platform rules

Telegram requires digital goods and services sold inside mini apps to be paid in Telegram Stars, and it reviews apps that break its terms. We check the current Telegram rules for your use case during the specification. For mini apps outside crypto, see Telegram Mini Apps development.

Crypto advertising rules we plan around

Ad platforms restrict crypto promotion. Google Ads requires certification for crypto exchanges and wallets in many countries, and Meta asks for written permission and licence details before crypto ads run. In the EU, the MiCA regulation (Regulation (EU) 2023/1114) requires marketing communications about crypto-assets to be fair, clear, not misleading and consistent with the white paper. We write copy without promises of returns and check the rules for your markets before launch. Licensing questions stay with your legal counsel.

How a crypto mini app is built

Specification. Screens, logic, wallets, payments.
Design. Mobile screens in Telegram style.
Development. Front end, back end, bot, admin.
Testing. Testnet, real devices, anti-fraud checks.
Launch. Release in Telegram, analytics, support.

Mini Apps for Crypto Companies process: specification, design, development, testing, launch — How a crypto mini app is built

How long does a crypto mini app take?

A first working version (MVP) takes up to 15 working days after the specification is agreed and we receive the materials: texts, brand files, reward rules and access to your bot.

Custom smart contracts, several chains, complex game mechanics or exchange integrations extend the project. For those we set the timeline after the specification, and a contract audit is planned separately.

What affects the cost of a mini app

We quote after the specification. The main factors:

number of screens and user actions;
wallet, payment and smart contract work;
tasks, referrals and anti-fraud logic;
admin panel and analytics depth;
expected load at launch.

What we need from you

Product idea and target users.
Reward, referral or payment rules.
Brand files and texts.
Access to your Telegram bot via BotFather, or we create one for you.

What you get and how we measure it

We track how users move through the app:

a working mini app and bot, with source code and admin access;
opens, day-1 and day-7 retention;
wallet connections and completed key actions;
fraud flags and blocked accounts reported in the admin panel.

Why a mini app needs a contracted team

Common problems we prevent:

reward systems farmed by bots within days of launch;
payments that break Telegram rules and get the app limited;
back ends that fall over when a campaign brings a traffic spike;
contracts deployed without an audit.

Working with a Kyiv team remotely

We work remotely with companies in the UK, the EU and North America: video calls, email, Telegram or WhatsApp, and shared documents for plans and reports. Kyiv is on UTC+2 (UTC+3 in summer), so our working day covers most of the UK and EU business day and the morning on the US East Coast. You get one project manager who is responsible for the timeline.

Why clients trust us

More than 10 years in digital. Marketing MIX has been building websites and running marketing for over a decade, with the portfolio to show for it.
Clients outside Ukraine. Our portfolio includes projects for KidSup and Cookiddoo in Canada and MBSoy, an architectural studio in Finland.
One team for the whole chain. Strategy, website, SEO, ads and analytics sit with one team, so nothing gets lost between contractors.
A registered, verifiable company. Our DUNS number is 68-606-2061 and our NCAGE code is A3G3J; both can be checked in the Dun & Bradstreet and NATO NCAGE databases.
A real office in Kyiv. The studio is at 77 Velyka Vasylkivska St., Kyiv, and works remotely with clients in Ukraine and abroad.

FAQ

What is a Telegram Mini App?

A web application that opens inside Telegram, with access to the user's Telegram profile, payments in Telegram Stars and wallet connection through TON Connect.

How long does it take to develop a crypto mini app?

A first working version takes up to 15 working days after the specification and materials are agreed. Custom contracts and complex mechanics get a timeline after the specification.

Can users connect a crypto wallet?

Yes, TON wallets through TON Connect and EVM wallets through WalletConnect when needed.

Can a mini app accept payments?

Digital goods inside Telegram are paid in Telegram Stars. Other payment options depend on Telegram rules for your case, which we check during the specification.