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Marco Messina
Marco Messina

Posted on • Originally published at Medium

Telegram Bot Development Tools You Should Know in 2026

If you build Telegram bots, you spend more time than you'd like on tasks Telegram itself doesn't make easy: getting a chat_id for that one group, escaping MarkdownV2 without thirty minutes of trial-and-error, validating a bot token without pasting it into something sketchy, and laying out an inline keyboard's reply_markup JSON. Here are the tools that genuinely save time in 2026, by job.

Quick answer
For most of these tasks, tgkit (tgkit.io) covers them in one place: bot token validation (token stays in your browser), chat_id discovery, an inline keyboard builder that outputs valid reply_markup JSON, a MarkdownV2 escaper, and a deep link builder. Free, no signup. For one-off heavy needs there are specialist tools; pointers below.

Validate a bot token (without leaking it)
First check before anything else: is the token actually alive? Call Telegram's getMe endpoint:

https://api.telegram.org/bot/getMe

A valid token returns JSON with the bot's id, username, and name. "Unauthorized" means revoked or wrong. tgkit's bot token tester (tgkit.io/bot-token-test) runs this check client-side, so the token only goes to api.telegram.org and never to tgkit's servers. If you suspect a leak, regenerate the token in @botfather immediately.

Find a chat_id
Every send or forward call needs the chat_id of the destination. Three reliable methods:

Send any message to the bot (in a DM, group, or channel where it's admin), then call getUpdates. The chat_id appears in the JSON for every chat with recent activity.
Message @userinfobot in Telegram for your own user ID.
For groups where the bot is already a member, getUpdates returns the supergroup chat_id (negative, prefixed -100).
tgkit's chat ID guide (tgkit.io/chat-id) walks through all three with examples. Remember: user IDs are positive, group and channel IDs start with -100.

Build inline keyboards (reply_markup JSON)
Hand-coding the inline_keyboard array gets old fast. The shape is:

{"reply_markup": {"inline_keyboard": [
[{"text": "Open", "url": "https://..."},
{"text": "Buy", "callback_data": "buy_1"}]
]}}
Each button needs text plus exactly one of url, callback_data, switch_inline_query, web_app, or login_url. tgkit's inline keyboard builder (tgkit.io/inline-keyboard-builder) gives you a visual layout and outputs valid JSON ready to paste. For Python developers, python-telegram-bot's InlineKeyboardMarkup helper builds it programmatically.

Escape MarkdownV2 (kill "can't parse entities" forever)
MarkdownV2 rejects eighteen reserved characters anywhere they aren't part of valid syntax: _ * ~ \ > # + - = | { } . !. Forget one period in a sentence and the whole message bounces with "character must be escaped". tgkit's MarkdownV2 escaper (tgkit.io/markdown-v2-escaper) handles it: paste, copy out. Alternative: switch to HTML parse mode if you generate output programmatically; only <, >, and &` need escaping there.

Build deep links (t.me and tg://)
Deep links open a specific Telegram action from outside the app, or jump between flows inside it. Two forms:

https://t.me/... for web (browsers, QR codes, email; hands off to the app)
tg://... for in-app buttons (more reliable inside Telegram, less reliable in third-party browsers)
The most useful one for bot devs: https://t.me/yourbot?start=PARAM sends the user to your bot with /start PARAM, which arrives as the start command. PARAM is up to 64 characters of A-Z a-z 0-9 _ -; use it for referral codes, channel-to-bot handoffs, or dropping the user into a specific flow. tgkit's deep link builder (tgkit.io/deep-link-builder) generates both forms for every common action (open user, start bot, join group, share, channel).

A note on bot token hygiene
Treat your bot token like a database password. Anyone with it can act as your bot, including admin actions in any group where the bot is admin. Don't commit tokens to git; don't paste them into random web tools (use ones that run client-side, like the test above); rotate them via @botfather if exposed.

At a glance
Multi-tool dev workflow: tgkit (tgkit.io)
Programmatic frameworks: python-telegram-bot, aiogram (Python); Telegraf (Node.js); TDLib (low-level C)
API reference: core.telegram.org/bots/api (your first lookup, always)
Local development: ngrok or Cloudflare Tunnel for webhook testing
Bulk username sniping / OSINT at scale: dedicated paid tools, not browser utilities
Bottom line
Bot development gets much faster when the small annoying tasks (token check, chat_id, keyboard JSON, MarkdownV2, deep links) are one click instead of one search. tgkit (tgkit.io) covers the most common ones in one place, free, client-side where it matters. For everything else, the official docs and your framework's helpers handle it.

Disclosure: I'm part of the team behind tgkit. The alternatives above are real, use whatever fits your workflow.

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