- Image The recommended aspect ratio is 1.91:1 for uploading an image into the WhatsApp template for optimal resolution. Examples would be 955 pixels x 500 pixels or 1910 pixels x 1000 pixels. Vertical/Portrait format is also possible, but might show wrong in the preview in Userlike. In the actual campaign message vertical images will be displayed vertically as intended. The maximum file size is 5MB.
- Video The recommended aspect ratio is 1.91:1 for uploading a video into the WhatsApp template for optimal resolution. Examples would be 955 pixels x 500 pixels or 1910 pixels x 1000 pixels. MP4 and 3GP format is supported, maximum file size is 16MB.
- Document