Telegram is a cloud-based messaging platform with over 100 million monthly active users that allows for private and group messaging, channels, and bots. The Telegram bot platform was released in 2015 and allows bots to have conversations, be added to groups and manage groups and channels. Bots on Telegram can use various UI elements and are updated through long polling or webhooks.

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Telegram’s Bot Platform
Everything you need to know
by David Pichsenmeister

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Telegram
Encrypted messaging (optional E2E encryption)
Cloud-based messaging
Native app for every platform

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Telegram
100 million MAU *
350k signups/day *
15 billion daily messages sent *
* Feb 2016

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Chats
Private messaging
Secret chat (E2E encrypted, optional self-destruct timer)
Groupchats
Channels (Broadcasting)
Bots

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Bot Platform
Released in June 2015
Major update in April 2016
Open to everyone
No approval process

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Bots
1-1 conversations
Add to groups
Manage groups & channels
Access on-the-fly (inline bots)

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UI Elements
“Hardcoded” commands Keyboard buttons Horizontal inline results

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UI Elements
Vertical inline results Inline buttons Inline paging

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The BotFather
https://telegram.me/botfather

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Retrieving updates
Long polling
Webhooks

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Sources
Introduction https://core.telegram.org/bots
API Docs https://core.telegram.org/bots/api
BotFather https://telegram.me/BotFather
https://github.com/3x14159265/viennabotmeetup

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Thanks
https://twitter.com/3x14159265
https://facebook.com/3x14159265
or
https://m.me/3x14159265
https://telegram.me/pichsenmeister