Available capabilities

PublishAnalyticsEngage

Post requirements

TypeImage notesVideo notes
FormatsImages: JPG/JPEG/PNGVideo: MP4/MOV (H.264 recommended), WebM
QuantityUp to 9 images1 video per note
Size / ratio1080×1920 portrait recommended; also 4:3–3:4 (e.g., 1080×810 to 1080×1440)Portrait 9:16 recommended; supports 16:9 or 1:1
Resolution≥720p suggestedUp to 1080p (higher may be compressed)
DurationN/A≤15 min for typical users; some creators may upload >10 min
File sizeSingle image ≤5 MB suggested≤1 GB; ≤300 MB recommended to reduce failures
Frame/audioN/A~30 FPS; audio AAC ≥128 kbps
CoverFirst image as cover (1080×1440 portrait recommended)Custom cover supported (1080×1440 portrait / 1440×1080 landscape)
TextTitle + body; 300–800 chars recommendedKeep concise; add tags/topics