Telegram & messengers
Development, infrastructure, SEO, AI and IT for business — short and to the point.
65 articles
- Telegram & messengers4 min
How to Accept Telegram Stars in a Bot or Mini App
The bot issues an invoice in XTR with no payment provider, approves the pre_checkout_query and delivers the goods only after successful_payment, storing telegram_payment_charge_id for idempotency and refunds via refundStarPayment.
Practice - Telegram & messengers4 min
aiogram 3 Project Architecture: Routers, Middlewares and DI
Split handlers into routers by feature, keep business logic in services, give handlers a DB session and services through a middleware, and handlers stay thin and easy to test.
Advanced - Telegram & messengers4 min
FSM in aiogram: How to Build Multi-Step Forms in a Bot
FSM in aiogram remembers which step of a form the user is on: you list the steps in a StatesGroup, attach handlers to states, collect answers with update_data and keep it all in Redis so nothing is lost on restart.
Practice - Telegram & messengers3 min
aiogram vs python-telegram-bot vs pyTelegramBotAPI: How to Choose
Pick aiogram for complex async bots with dialogs and load, python-telegram-bot when documentation and stability matter most, and pyTelegramBotAPI for simple bots and learning.
Basics - Telegram & messengers4 min
Why WhatsApp Business Numbers Get Banned and How to Avoid It
WhatsApp bans numbers mainly because recipients block and report them after unsolicited bulk messages, missing opt-in or prohibited goods. Message only people who agreed, use the official API, grow volume gradually and watch your quality rating.
Practice - Telegram & messengers4 min
How to Build a Telegram Mini App with React
A React Mini App is a regular HTTPS web app that loads telegram-web-app.js, takes colors from themeParams, drives the native MainButton and BackButton through window.Telegram.WebApp and opens from a bot.
Practice - Telegram & messengers4 min
How to Buy Ads in Telegram Channels Without Wasting Budget
Buy Telegram channel ads in small tests on verified niche channels, give every placement its own invite link, and judge results by cost per subscriber and cost per lead, not by reach.
Practice - Telegram & messengers4 min
How to Connect ChatGPT or Claude to a Telegram Bot
The bot's backend receives a message, loads that user's recent history, calls the LLM API with a key stored only on the server, streams the answer by editing one message, and enforces per-user limits and input checks.
Practice - Telegram & messengers4 min
How to Create a Telegram Bot with BotFather: Step-by-Step Guide
Open @BotFather, send /newbot, choose a name and a username ending in bot, and you get a token; then set the description, avatar, commands and menu button, and keep the token only in server environment variables.
Basics - Telegram & messengers3 min
How to Deploy a Telegram Bot on a VPS with a Webhook
A webhook bot needs a public HTTPS address: nginx with a certificate receives Telegram's requests and proxies them to the app, which runs as a systemd service and checks the secret token header.
Practice - Telegram & messengers4 min
How to Grow a Telegram Channel for Business
A business channel grows from four sources: cross-promotion, paid posts in relevant channels, Telegram Ads and your own traffic from the website, bot and offline; give each source its own invite link so you can see where subscribers come from.
Practice - Telegram & messengers4 min
How the Telegram Bot API Works: Updates, Methods and Tokens
The Bot API is an HTTP interface: your code calls methods at api.telegram.org using the bot token and gets JSON back, while incoming events arrive as Update objects via getUpdates or a webhook.
Basics - Telegram & messengers4 min
Local Telegram Bot API Server: When and How to Run Your Own
A local Bot API server lets a bot upload files up to 2 GB, read downloaded files straight from disk and accept far more webhook connections; the price is that you build, update, secure and monitor it yourself.
Advanced - Telegram & messengers4 min
Why Messengers Became a Sales Channel and How to Use Them
Customers already spend time in messengers and prefer asking to searching a website; sales work when a channel attracts, a bot answers fast and collects details, and a manager closes the deal, all connected to a CRM.
Basics - Telegram & messengers4 min
How to Make a Multilingual Telegram Bot (Russian, Uzbek, English)
Treat language_code only as a hint, offer a language choice right away and store it in the database, keep all texts in gettext or Fluent files, and set command descriptions per language with setMyCommands.
Practice - Telegram & messengers4 min
How to Scale a Telegram Bot for High Load
Receive updates via webhook and push them straight into a queue, process them with stateless workers that keep state in Redis, deduplicate by update_id, and route outgoing messages through a shared rate limiter.
Advanced - Telegram & messengers4 min
How to Sell Paid Access to a Private Telegram Channel
The simplest option is a Stars subscription link, where Telegram handles payment, renewal and removal; for local cards you need a bot that issues personal invite links, approves join requests and removes members when access expires.
Practice - Telegram & messengers4 min
What Is Telegram Ads and How the Official Ad Platform Works
Telegram Ads is the messenger's official ad platform that shows short sponsored messages in large public channels, bots and search; you pay per thousand impressions through CPM bidding and fund the account in TON directly or in regular currency via official resellers.
Basics - Telegram & messengers4 min
How to Build an Appointment Booking Bot in Telegram
A booking bot walks the client through service, specialist, date, time and confirmation, calculates free slots from schedules and service length, sends reminders on its own, lets people reschedule with one tap and keeps all bookings in a single calendar or CRM.
Practice - Telegram & messengers4 min
How to Track Telegram Bot Analytics: Metrics and Tools
Log every user action as an event on your server, pass the traffic source through the start parameter in the bot link, then calculate starts, activation, retention, funnel conversion and block rate in your own database or a product analytics tool.
Practice - Telegram & messengers4 min
Telegram Bot API Limits: Rate Limits, File Sizes and Messages
Telegram advises at most 1 message per second per chat, 20 per minute per group and about 30 per second overall; bots download files up to 20 MB, upload up to 50 MB, send text up to 4096 characters, and exceeding the rate returns a 429 error with retry_after.
Basics - Telegram & messengers4 min
Bot API vs MTProto: Telethon, Pyrogram and Userbot Risks
For business bots the Bot API is almost always enough; a local Bot API server or MTProto as a bot covers large files, while userbots on a personal account are rarely justified and risk bans and Telegram ToS violations.
Advanced - Telegram & messengers5 min
How to Write Automated Tests for a Telegram Bot
Test handlers and FSM steps in isolation with mocked Bot API calls and fake updates, add a few smoke tests against the Telegram test environment, and run the whole suite in CI so a failing test blocks the deploy.
Advanced - Telegram & messengers4 min
How to Send Broadcasts to Bot Users Without Hitting Limits
Send broadcasts through a rate-limited queue, wait exactly retry_after on a 429, mark users who return 403 as inactive, and measure results from per-message statuses and link clicks.
Practice - Telegram & messengers4 min
How to Set Up Bot Commands, Menu Button and Description in Telegram
Commands are set with setMyCommands per scope and language, the menu button with setChatMenuButton, and the description, short description and profile photo define what users see before pressing Start.
Practice - Telegram & messengers4 min
How to Connect a Telegram Bot to amoCRM or Bitrix24
If managers need to chat with customers from inside the CRM, connect the bot via the built-in Telegram channel in amoCRM or Bitrix24 Open Channels; if you need structured leads from a bot scenario, send them via the API after looking up the contact by phone or Telegram ID.
Practice - Telegram & messengers4 min
How Much a Telegram Bot Costs and What Drives the Price
The price of a bot is driven by scope, not by the word bot: the number and complexity of scenarios, integrations, payments, an admin panel, a Mini App and support requirements after launch.
Basics - Telegram & messengers3 min
Common Mistakes in Telegram Bot Development and How to Avoid Them
Most bot problems are dead-end menus, state kept in process memory, hardcoded tokens, missing error handling and no admin tools; fix them with Back buttons on every screen, Redis or a database for state, secrets in environment variables, a global error handler and a simple admin panel.
Practice - Telegram & messengers4 min
How to Build a Telegram Bot in Node.js with grammY
In grammY a bot is a Bot object with a middleware chain: commands, keyboards and sessions come from bot.command, InlineKeyboard and the session plugin, and for development you start it with one line, bot.start().
Practice - Telegram & messengers4 min
How to Launch an Online Store Inside a Telegram Bot
A bot store is a catalog of categories and product cards, a cart kept in a database, a short checkout, payment via Telegram Payments or a payment provider link, and status notifications; once you need search and filters, move the storefront into a Mini App.
Practice - Telegram & messengers4 min
How to Accept Payments in a Telegram Bot via Payme and Click
Either connect Payme or Click as a payment provider in BotFather and send invoices right in the chat, or send a payment link and confirm the order from the gateway callback; in both cases an order counts as paid only after server-side confirmation.
Practice - Telegram & messengers4 min
How to Build a Telegram Bot in Python with aiogram 3
In aiogram 3 a bot is made of a Bot (talks to the API), a Dispatcher (receives updates) and Routers whose handlers fire when filters match; keyboards are attached to replies and start_polling runs it.
Practice - Telegram & messengers4 min
How to Build a Sales Funnel in a Telegram Bot
Split the customer path into stages from /start to repeat purchase, tag the source with a deep link, segment with button questions, bring back drop-offs with short reminders, and log every stage as an event to measure conversion.
Practice - Telegram & messengers4 min
Telegram Bot Security: Tokens, Webhooks and Access Control
Treat the token as a password, verify every webhook request with a secret header, check permissions by user ID on the server, and treat all input, including callback data, as untrusted.
Advanced - Telegram & messengers4 min
Telegram Bot Use Cases for Business by Industry
A bot pays off wherever there is a repeatable flow with clear steps such as ordering, booking, status checks, requests or applications; each industry has two or three of them, and you should start with one.
Basics - Telegram & messengers4 min
Telegram Bot vs Mini App: Which Should You Build
A bot fits short, linear flows that feel like a conversation; a Mini App fits catalogs, complex forms and dashboards that need a real screen. Often the best answer is a bot with a Mini App inside.
Basics - Telegram & messengers4 min
Telegram Bots for Internal Processes: HR, Approvals and Reports
An internal Telegram bot handles short, repetitive actions well — requests, approvals, reports and alerts from business systems — but data and access rights must live in your systems, not in the chat.
Basics - Telegram & messengers3 min
How Telegram Bots Work in Groups: Privacy Mode and Admin Rights
By default a bot in a group runs in privacy mode and sees only commands, replies to its own messages and service events; to receive every message, turn privacy mode off in BotFather or make the bot an admin.
Basics - Telegram & messengers4 min
Telegram Business Features: Hours, Quick Replies and Chatbots
Telegram Business turns a personal account into a work account: it shows your hours and location, sends greeting and away messages automatically, offers template quick replies and lets you connect a bot that answers customers on your behalf.
Basics - Telegram & messengers4 min
How to Run a Business Telegram Channel: Content Plan and Formats
Keep a mix of useful posts, product, behind the scenes, reviews and interactive content, post at a predictable pace you can sustain for months, and check channel stats monthly: post reach, ERR, shares, reactions and unsubscribes.
Practice - Telegram & messengers4 min
Telegram Channel Statistics: Reach, ERR and Views Explained
For a business channel, what matters is average post reach, ERR (the share of subscribers who actually see posts), sources of new subscribers and unsubscribes after posts; Telegram's built-in stats cover all of this, while TGStat and Telemetr help benchmark the channel and vet others before buying ads.
Basics - Telegram & messengers3 min
Telegram Channel vs Group: Which One Your Business Needs
A channel broadcasts from your business to an audience, a group lets members talk to each other; most companies are best served by a channel with a linked discussion group, while a standalone group fits when the value is in customers talking.
Basics - Telegram & messengers4 min
Telegram Deep Links: Using the start Parameter for Tracking
Add ?start=CODE to a bot link (or ?startapp=CODE for a Mini App), and the bot receives that code when the user starts it, so you can tell which ad, blogger or friend brought each user.
Practice - Telegram & messengers4 min
How Games Work in Telegram: Games API vs Mini App Games
The Games API is a simple legacy way to run an HTML5 game with an in-chat high score table, while a Mini App adds full screen, verified user data, Stars payments and sharing; new projects almost always choose a Mini App.
Basics - Telegram & messengers3 min
How to Moderate a Telegram Group and Stop Spam
Limit what new members can do, turn on join requests checked by a captcha bot, add slow mode and anti-spam filters, and above all publish short rules and appoint moderators who apply them equally to everyone.
Practice - Telegram & messengers3 min
What Is Inline Mode in Telegram Bots and How to Use It
Inline mode lets users call a bot in any chat by typing @botname and a query; the bot returns a list of results and the user sends the chosen one into the current chat, which is ideal for sharing products, articles and links.
Basics - Telegram & messengers4 min
Inline vs Reply Keyboard in Telegram Bots: When to Use Each
A reply keyboard replaces the phone keyboard and sends text as the user, so use it for a persistent main menu; inline buttons are attached to a message and silently pass callback data, so use them for actions on that message.
Basics - Telegram & messengers4 min
How to Design a Lead Generation Bot Scenario in Telegram
A good scenario opens with a clear benefit, asks 2-4 questions with buttons, branches on the answers, requests the phone via a Share contact button and immediately sends the manager a lead card with every answer and the source.
Practice - Telegram & messengers4 min
How to Add Telegram Login to Your Website
Create a bot, link your domain to it in BotFather, embed the widget, then on the server verify the hash using the SHA-256 of the bot token and check that auth_date is fresh — only then create a session.
Practice - Telegram & messengers4 min
Telegram Mini App Design: Theme, Buttons and Native Feel
A Mini App feels native when it takes colors from the Telegram theme, respects safe areas, uses MainButton and BackButton instead of custom controls, adds haptic feedback and opens almost instantly.
Practice - Telegram & messengers4 min
How to Use Telegram Polls and Quizzes in Channels and Bots
In channels, polls work well for research and engagement but are always anonymous; to know who answered what and qualify leads, send a non-anonymous poll from a bot in a private chat and read the answers through poll_answer updates.
Basics - Telegram & messengers4 min
How to Build a Telegram Support Bot with Operator Handoff
The bot first resolves common questions through an FAQ; when it cannot, it opens a ticket and routes the conversation to a staff group with a separate topic per customer or to a helpdesk, then copies the operator's reply back, so the customer only ever talks to the bot.
Practice - Telegram & messengers4 min
Telegram vs WhatsApp for Business: Which Messenger to Choose
The main criterion is where your customers already chat; with equal reach, Telegram gives more freedom and cheaper automation, while WhatsApp wins where it is the default messenger but has stricter, paid rules for broadcasts and bots.
Basics - Telegram & messengers3 min
Webhook vs Long Polling for Telegram Bots: Which to Use
Long polling is simpler: the bot pulls updates itself and needs no domain or SSL, which suits development and small bots; a webhook needs an HTTPS endpoint but fits production, scaling and serverless better.
Basics - Telegram & messengers4 min
How to Test and Debug a Telegram Mini App
Expose your local dev server through an HTTPS tunnel and point a separate dev bot at it, mock the Telegram environment for fast work in the browser, enable WebView devtools on each client, and check real devices before release.
Practice - Telegram & messengers4 min
How to Integrate TON Connect into a Telegram Mini App
Connect wallets with @tonconnect/ui and a manifest, prove address ownership with ton_proof verified on the server, send transactions via sendTransaction and mark orders paid only after checking the blockchain — and sort out Telegram rules and local regulation before launch.
Advanced - Telegram & messengers4 min
How to Validate initData in Telegram Mini Apps on the Backend
Send the raw initData string to your server, recompute HMAC-SHA-256 with a key derived from the bot token and the string WebAppData, compare it with hash and check auth_date — never trust initDataUnsafe.
Advanced - Telegram & messengers4 min
How to Send Website Form Submissions to Telegram
The form posts to your server, which validates the data, saves the lead and calls the Bot API sendMessage with a token from environment variables; on failure it retries, and the lead stays in the database either way.
Practice - Telegram & messengers3 min
What Are Telegram Stars and How Payments for Digital Goods Work
Telegram Stars are Telegram's in-app currency, required for digital goods and services in bots and Mini Apps; physical goods and offline services are still paid through regular payment providers.
Basics - Telegram & messengers4 min
What Is a Telegram Bot and What Can It Do for Business
A Telegram bot is a program that talks to people through Telegram by rules you define; it can only message users who started it first, but it takes leads, answers questions and syncs data with your systems around the clock.
Basics - Telegram & messengers4 min
What Is a Telegram Mini App and How It Works
A Telegram Mini App is a regular HTML, CSS and JavaScript website that opens inside Telegram from a bot's button or link and gets the user's identity, theme, buttons and payments without a separate sign-up.
Basics - Telegram & messengers4 min
WhatsApp Business App vs WhatsApp Business API: Key Differences
The WhatsApp Business app is a free tool for a small team answering customers by hand; the WhatsApp Business API is a platform with no built-in interface for many operators, bots, CRM integrations and template messages billed per message.
Basics - Telegram & messengers4 min
How WhatsApp Business Platform Pricing Works
On the WhatsApp Business Platform you pay Meta for template messages you send, the price depends on the category (marketing, utility, authentication) and the recipient's country, replies inside the 24-hour customer service window are free, and a BSP adds its own fees on top.
Basics - Telegram & messengers4 min
How to Set Up WhatsApp Business: Profile, Catalog and Auto-Replies
Install WhatsApp Business on a work number, fill in the profile and catalog, turn on greeting and away messages, create quick replies and labels, and share a wa.me short link with a QR code.
Practice - Telegram & messengers4 min
How to Connect the WhatsApp Cloud API: Templates and Webhooks
Create a Meta app, add and verify your number, get a permanent token, get templates approved and set up a webhook; you can message customers first only with templates, and free-form messages work for 24 hours after their message.
Practice
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