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 or 1920x1080 pixels
Square image aspect ratio is 1:1 or 1000x1000 pixels
item title has an 80 character limit
item subtitle has an 80 character limit
optional buttons are limited to 3 per item
will only appear to users based in European Economic Area (EEA) countries on mobile, not on desktop (more info on Facebook's EEA policies)
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 buttons (Grow tab), or 20 buttons (Entry Points, in Flow Builder)
menu title has a 30 character limit
can link to block or URL
💡 Important to keep in mind:
The heavier the picture is, the longer it takes to load in Messenger. Something below 500KB should work reasonably quick.
Try to use GIFs below 2-3 MB in size