Telegram Web
...Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed....
https://web.telegram.org/
Telegram A Desktop
...Access Telegram on your desktop, synced with your mobile, for seamless messaging and communication....
https://web.telegram.org/a/get/
Telegram Web
..."login_about_desc1_md": "The Telegram web-client is a free, fast and secure way to enjoy most of **Telegram**'s features right in your **web-browser**.", "login_about_desc2_md": "It is always synced with the **Telegram app** on your mobile device, which makes it a perfect tool for messaging and file sharing.",...
https://web.telegram.org/js/locales/en-us.json
Telegram APIs
...The Telegram Gateway API allows any business, app or website to send authorization codes through Telegram instead of traditional SMS ? offering a powerful and convenient way to lower costs while increasing the security and delivery speed of your codes to Telegram?s 1 billion monthly active users....
http://venus.web.telegram.org/