TempMail Hub
@tempmail_hub_botTemporary email inside Telegram: create a disposable address and get emails and confirmation codes right in the chat. No sign-up, inbox lives up to 7 days. Same inbox is also available on the web at tempmailhub.net.
Octomat is a free RSS/Atom feed aggregator bot for Telegram. You can subscribe to updates from any website that has a feed, including popular sites like Youtube, Reddit, and Twitter and receive them directly in Telegram. Website owners can create links for their visitors to follow their site updates via Telegram without having to maintain a dedicated Telegram channel.
— the badge on the card, faster publishing and a warning if the link stops working. How confirmation works