The limits Meta publishes
Header text can be up to 60 characters with at most one variable. The body can be up to 1,024 characters. The footer can be up to 60 characters. Each button label can be up to 25 characters, website button URLs up to 2,000 characters with one variable at the end, and phone numbers up to 20 characters.
A template can combine up to 10 buttons, with no more than two website buttons and one phone number button. The checker counts each of these as you type.




