LINE message types
This article covers the LINE message types you can compose, including aspects and limitations.
When you compose a LINE message, you can drag-and-drop message types into the composer and then customize them.

Text
A LINE text message can contain up to 5,000 characters and include emojis and Liquid personalization.
Use cases include:
- Announce a limited-time promotion for clearance stock
- Send personalized birthday greetings with unique promotion cards
- Share quick updates about upcoming events

Image
A LINE image message can be added through the media library, a URL, or Liquid. These images are standalone and don’t contain clickable links.
Use cases include:
- Showcase a vacation destination to inspire users to look into purchasing plane tickets
- Highlight end-of-season promotions to encourage users to stock up on next year’s winter clothes with great deals
- Start a visual countdown to a storewide annual sale

URL image
Use URL images for use cases that incorporate:
- Liquid dynamic images by including the Liquid in your image source attribute. For example, you can insert
https://example.com/images/?imageBanner={{first_name}}as the image URL to include a user’s first name in the image - Connected Content by pulling images directly from your web server or publicly accessible APIs
- Braze catalogs by accessing images from imported CSV files and API endpoints
| Specifications | Recommended properties |
|---|---|
| Image file URL length | 2,000 characters maximum |
| Image format | PNG, JPEG |
| File size | 10 MB maximum |
Rich messages (image map)
A LINE rich message is an image that contains one or more links that are opened by selecting specific areas on the image. Select a rich message templates to choose how the links are mapped onto the image.
Use cases include:
- Display a grid of newly arrived handbags with links to each bag’s respective product page
- Present an interactive menu that starts an combo order by selecting an item
- Lay out multiple promotions for users to choose by selecting a grid square

Image map
| Specifications | Recommended properties |
|---|---|
| Image file URL length | 2,000 characters maximum |
| Image format | PNG (can be transparent), JPEG |
| Aspect ratio | 1:1 (width:height) |
| File size | 10 MB maximum |
URI link
| Specifications | Recommended properties |
|---|---|
| Character count | 1,000 maximum |
| Schemes | HTTP, HTTPS, LINE, tel |
Text
A text rich message can contain up to 400 characters.
Card-based (carousel)
A LINE card-based message allows users to scroll through multiple messages, like a carousel, and take action on the messages most relevant to them by selecting a card or a card’s buttons.
Use cases include:
- Display promotions for specific menu items
- Highlight this season’s best-selling jackets
- Present a sampling of cooking tools and gadgets that are included in a kit

Message
| Specifications | Recommended properties |
|---|---|
| Columns | 10 maximum |
| Aspect ratio | Rectangle: 1.51:1 Square: 1:1 |
| Title | 40 characters maximum |
Image
| Specifications | Recommended properties |
|---|---|
| Image URL | 2,000 characters maximum |
| Image format | JPEG or PNG |
| Width | 1,024 pixels |
| File size | 1 MB |
Text
| Specifications | Recommended properties |
|---|---|
| Characters | 120 maximum (no image or title) 60 maximum (message with an image or title) |
| Actions | 3 maximum |
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