# TikTok — Video Posts (Primary)

## Specs

| Item | Recommendation |
|------|----------------|
| Aspect | **9:16 vertical** |
| Length | 15–60s sweet spot; up to 10 min |
| Format | MP4 |
| Hook | First 1–3 seconds critical |

## Storyboard (15s)

1. Pattern interrupt hook
2. One problem
3. One solution/demo
4. Text CTA on screen

## PostSync alignment

Reuse FFmpeg vertical slideshow as planning asset; TikTok publish API when product enables platform.