A text card can only contain text with a length up to 640 characters and a maximum of three buttons.
Here’s a simple text card without any buttons
Here’s a text card with three buttons
A gallery card is a special Facebook Messenger UI card that gives you the ability to show up to 9 items in a slider. Gallery items can make use of a(n):
A gallery card always has two required fields: title and image OR subtitle OR buttons.
Tapping each image will open the web browser. You can use this gallery for guiding users to your website or any external URLs.
You can use this gallery for navigating your user through the bot.
This is the same as the previous example, without images