- Line does not guarantee message order and some message types might take longer to send than others. Therefore a small timeout is recommended when sending multiple successive messages.
- Cards have a maximum of 3 buttons
- Carousels have a maximum of 10 scrollable cards
- Quick replies have a maximun of 13 chips
Title has a max of 40 characters
- Without image and title - subtitle can be up to 160 chars
- With image and title - subtitle can be up to 60 chars
- Fonts, font colors or background color can’t be configured - default LINE font and colors will be used
- Image URL has a limit of 1000 characters.
- Image URL must be HTTPS
- File type can only be JPEG or PNG
- Image max width: 1024px
- Max size - 1MB
- An agent or bot will receive an error when trying to send LINE Structured Content elements with the following character limitations:
- If title text exceeds 40 characters, or subtitle with image exceeds 60, or if subtitle without image exceeds 160
- If structured content Map element is applied