| Channel | Post type | Size | Aspect | Max sec | Title | Desc | Notes |
|---|---|---|---|---|---|---|---|
| short_video | 1080×1920 | 9:16 | 90 | — | 2200 | Reels | |
| short_video | 1080×1920 | 9:16 | 90 | — | 2200 | Reels — link in bio only | |
| long_video | 1920×1080 | 16:9 | 600 | — | 3000 | ||
| article | — | — | — | 300 | 40000 | Text/link post; NO direct promo URLs | |
| comment | — | — | — | — | 10000 | Value-first | |
| tiktok | short_video | 1080×1920 | 9:16 | 600 | — | 2200 | |
| x | short_video | 1080×1920 | 9:16 | 140 | — | 280 | 280-char post text |
| youtube | long_video | 1920×1080 | 16:9 | — | 100 | 5000 | 0 = no length cap |
| youtube | short_video | 1080×1920 | 9:16 | 60 | 100 | 5000 | Vertical Shorts |
| Channel | Rule | What it checks | Param | |
|---|---|---|---|---|
| all | min_length | Reject video shorter than N seconds | 5 | |
| all | no_black_screen | Reject if the video is a black screen longer than N seconds | 3 | |
| all | no_silent_audio | Reject if audio is silent for the whole clip | ||
| all | require_cover | Video must have a cover / thumbnail frame (no missing poster) | ||
| no_direct_urls | No direct promotional URLs — link goes in a comment or the profile only |