Text Card

  • 640 character limit
  • supports UTF-8

Gallery Card

  • up to 10 items in one card
  • horizontal image aspect ratio is 1.91:1 and square image aspect ratio is 1:1
  • item title has an 80 character limit
  • item subtitle has an 80 character limit
  • optional buttons are limited to 3 per item

List Card

  • 2-4 items per card
  • 1 optional button per item
  • 1 optional per card
  • item title has 80 character limit (may get truncated in the Messenger app)
  • item subtitle has 80 character limit (may get truncated in the Messenger app)

Image Card

  • jpg, png, gif
  • for best results keep the number of frames for dynamic GIFs below 75

Video

  • mp4
  • max. 25 MB after Facebook's transcoding

Audio

  • mp3, wav, ogg
  • max. 25 MB after Facebook's transcoding

Buttons

  • 20 character limit
  • can link to block, URL, phone number, buy and share functionality

Quick Replies

  • up to 11 items per quick reply
  • item title has a 20 character limit
  • can link to block

Persistent Menu

  • up to 3 top level menus
  • up to 5 sub-level menus
  • menu title has a 30 character limit
  • can link to block, URL or sub-level menu
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