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Sending rich files with RCS

Shahzad Ismail
Updated

Rich cards combine elements into a single message – they must include an image or a video and can also include a title text, description and up to 2 suggested replies and/or actions. Up to 10 Rich Cards can be sent together to create a carousel of options, but cards can be sent standalone as well - you don’t need a carousel.

 

Size requirements and best practices for sending rich files with RCS

The maximum size of a file that can be sent through RCS for Business is 200MB, it is recommended that smaller files be sent whenever possible.

Rich Cards can be vertical or horizontal:

  • Vertical rich cards display horizontal media at the top of the card. Horizontal media should have an aspect ratio of 2:1, 16:9, or 7:3.
    • For media with a 2:1 ratio the optimal resolution for the media is 1440x720 px with a maximum recommended file size of 2 MB for images and 10 MB for video.
    • The optimal resolution for the thumbnail is 770x335 px with a recommended file size of 40 kB and a recommended maximum size of 100 kB.
       
  • Horizontal rich cards display vertical media on the left or right side of the card. Vertical media should have an aspect ratio of 3:4.
    • The optimal resolution for the media is 768x1024 px with a maximum recommended file size of 2 MB for images and 10 MB for video.
    • The optimal resolution for the thumbnail is 250x330 px with a recommended file size of 40 kB and a recommended maximum size of 100 kB.
       
  • The media in Rich Card Carousels display horizontally and should have an aspect ratio of 4:3.
    • The optimal resolution for the media is 960x720 px with a maximum file size of 1 MB for images and 5 MB for video.
    • The optimal resolution for the thumbnail is 605x452 px with a recommended file size of 40 kB and a recommended maximum size of 100 kB.
       

Aspect ratio/limitations when using media in rich cards

Rich cards can be driven by image size. Google provides the following recommendations for how to best use media in rich cards:
  • Cards expand vertically to fit their contents. Rich cards have a minimum height of 112 DP and a maximum height of 344 DP. If the contents of a card are not large enough to fill the minimum card height, the card expands and fills the extra height with white space.
     
  • Media in rich cards must fit one of three heights:
    • Short: 112 DP
    • Medium: 168 DP
    • Tall: 264 DP.
       
  • Vertical rich cards - Vertical rich cards display horizontal media at the top of the card. Horizontal media should have an aspect ratio of 2:1, 16:9, or 7:3.
    When you send media to a user, you should be respectful of the user's resources. When horizontal media has a 2:1 ratio, the optimal resolution for the media is 1440x720 px with a maximum recommended file size of 2 MB for images and 10 MB for video. The optimal resolution for the media's thumbnail is 770x335 px with a recommended file size of 40 kB and a recommended maximum size of 100 kB.
  • Horizontal rich cards - Horizontal rich cards display vertical media on the left or right side of the card. Vertical media should have an aspect ratio of 3:4.
    When you send media to a user, you should be respectful of the user's resources. When vertical media has a 3:4 ratio, the optimal resolution for the media is 768x1024 px with a maximum recommended file size of 2 MB for images and 10 MB for video. The optimal resolution for the media's thumbnail is 250x330 px with a recommended file size of 40 kB and a recommended maximum size of 100 kB.

Note: Carousels are a collection of rich cards – so when using carousels these recommendations also need to be taken into account.

For information refer to the best practices from Google.

For more information on RCS, visit the Sinch RCS product page.

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