--- title: "Marylyn Roundy (@marylynroundy) | Hashnode" description: "Building TeleCrow, a no-code builder for Telegram shop and paid-channel bots. Read the latest articles by Marylyn Roundy on Hashnode." url: "https://hashnode.com/@marylynroundy" --- @marylynroundy # Marylyn Roundy @marylynroundy · Singapore · Joined October 2026 Building TeleCrow, a no-code builder for Telegram shop and paid-channel bots [Website](https://telecrow.com/) ### [Selling access to a private Telegram channel: invite links, expiry and renewals done right](https://telecrow.hashnode.dev/selling-access-to-a-private-telegram-channel-invite-links-expiry-and-renewals-done-right?utm_source=hashnode&utm_medium=feed) Selling access to a private Telegram channel or group sounds simple: take a payment, send a link. In practice the link is where most paid channels leak. A link gets forwarded, a member who stopped pay 5 min read · [telecrow.hashnode.dev](https://telecrow.hashnode.dev/selling-access-to-a-private-telegram-channel-invite-links-expiry-and-renewals-done-right?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/selling-access-to-a-private-telegram-channel-invite-links-expiry-and-renewals-done-right/6af579e8fcac1dfa908c2db1) ### [Running hundreds of Telegram bots on one Node.js server: 8 lessons from production](https://telecrow.hashnode.dev/running-hundreds-of-telegram-bots-on-one-node-js-server-8-lessons-from-production?utm_source=hashnode&utm_medium=feed) Most Telegram bot tutorials end at "it works for one bot". Our platform runs a few hundred merchant bots (shops, paid channels, AI assistants) from one Node.js cluster, and almost every hard bug we hi 5 min read · [telecrow.hashnode.dev](https://telecrow.hashnode.dev/running-hundreds-of-telegram-bots-on-one-node-js-server-8-lessons-from-production?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/running-hundreds-of-telegram-bots-on-one-node-js-server-8-lessons-from-production/6af55ed0739e838cf2a0009d) ### [Telegram widgets (Bot API 10.4): interactive cards inside chat messages, with a working example](https://telecrow.hashnode.dev/telegram-widgets-bot-api-10-4-interactive-cards-inside-chat-messages-with-a-working-example?utm_source=hashnode&utm_medium=feed) On November 9, Telegram shipped Bot API 10.4 with a new kind of message: widgets. A bot can now send a small interactive card that lives inside a normal chat bubble. It has buttons, it updates in plac 6 min read · [telecrow.hashnode.dev](https://telecrow.hashnode.dev/telegram-widgets-bot-api-10-4-interactive-cards-inside-chat-messages-with-a-working-example?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/telegram-widgets-bot-api-10-4-interactive-cards-inside-chat-messages-with-a-working-example/6af55c60d323ab2098cc77bd) ### [How to accept Telegram Stars in your bot (the full flow, plus a no-code shortcut)](https://telecrow.hashnode.dev/how-to-accept-telegram-stars-in-your-bot-the-full-flow-plus-a-no-code-shortcut?utm_source=hashnode&utm_medium=feed) Originally published on DEV. If your Telegram bot sells anything digital (an ebook, a course, a preset pack, access to a private channel), Telegram expects you to charge in Telegram Stars. Card provid 4 min read · [telecrow.hashnode.dev](https://telecrow.hashnode.dev/how-to-accept-telegram-stars-in-your-bot-the-full-flow-plus-a-no-code-shortcut?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/how-to-accept-telegram-stars-in-your-bot-the-full-flow-plus-a-no-code-shortcut/6ad2b8c0e3a72cab329d5064) [Oct 16](https://hashnode.com/posts/how-to-accept-telegram-stars-in-your-bot-the-full-flow-plus-a-no-code-shortcut/6ad2b8c0e3a72cab329d5064)