Each messenger is a separate application with its own functions and capabilities. You have two options for creating a bot:

  • make a bot that can be easily transferred from one channel to another, but at the same time take into account the limitations of all messengers.
  • make a bot for each channel separately, but using all the available functionality of each messenger.

In this article we will tell you how to most easily implement the first option.

Conversion sequence

We recommend creating bots in this order:

  1. Vkontakte
  2. Viber
  3. Facebook messenger (owned by Meta, deemed extremist in Russia)
  4. Telegram (has text and menu markup, which other messengers don't have)

If you create and convert bots in this order, there will be the least amount of edits after conversion.

Text length

We recommend writing text messages up to 500 characters long.

Firstly, short messages are read better, which means the conversion rate will be higher.

Secondly, some messengers have message length limits.

Pictures

Viber uses square JPEG images (400x400px) up to 1MB in size. We recommend that you prepare such images for the entire bot at once, or edit the images in the Viber bot later.

(!)  The gallery is available only for Telegram channels. 

Video

Each messenger has its own requirements for video files, the easiest option is not to send the video itself, but to post a link to YouTube or another player.

Attaching attachments for Vkontakte

Videos and animations in Telegram

Video for Facebook*

Buttons

Make the button name up to 20 characters. We do not recommend making more than 3 action buttons, and up to 10 buttons with answer options.

From buttons of the Action type and the URL type in the bot, you can extend the connection to other steps.

Features of Telegram buttons are described separately in
the article  Types of buttons for Vkontakte - in the article

Links

Url links can be placed directly in the message text or in a button

Files

Attach a file via the block or send a link to Google Drive or another storage.

These recommendations will help you quickly create a universal bot for all messengers, but, of course, you can go into each of the bots at any time and edit it . For example, change the color of the buttons for VK or add links to the buttons in TG.

If you have not found the answer to your question, ask us in the chat inside your account or write to BotHelpSupportBot or to hello@bothelp.io

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