solnk supports 9 platforms. Each platform supports different content types and has its own requirements.
Content types by platform
| Platform | Text only | Images | Video | Carousel / Thread | First comment |
|---|---|---|---|---|---|
| X / Twitter | Yes (280 chars) | Up to 4 | 1 video | Thread (up to 25) | No |
| No (media required) | Up to 20 | Up to 20 | Carousel (up to 20) | Yes | |
| Yes | Up to 10 | Up to 10 | Album | Yes | |
| TikTok | No (media required) | 4–35 (Photo Mode) | 1 video | Photo Mode carousel | Yes |
| YouTube | No (video required) | No | 1 video | No | Yes |
| Threads | Yes (500 chars) | Up to 20 | Up to 20 | Thread (up to 100) | Yes |
| Bluesky | Yes (300 chars) | Up to 4 | 1 video | Thread (up to 50) | No |
| Yes | Up to 10 | 1 video | No | Yes | |
| No (media required) | 1 image | 1 video | No | No |
Images and videos cannot be mixed in the same post on any platform except Threads.
Account requirements
| Platform | Requirement |
|---|---|
| Business or Creator account (personal not supported) | |
| Facebook Page only (not personal profile) | |
| TikTok | Creator or Business account |
| YouTube | Google account with a YouTube channel |
| Personal profile or Company Page (admin required for pages) | |
| Business account | |
| Threads | Instagram Business/Creator account with Threads enabled |
| Bluesky | Any account — uses App Password (not your login password) |
| X / Twitter | Any account |
Platform-specific options
When creating a post, some platforms show additional settings:
- Pinterest — Select which board to pin to, add a destination URL
- YouTube — Set title (required), privacy status, category, tags, and thumbnail
- TikTok — Privacy level, toggle comments/duets/stitches, brand content flags
- Instagram — Location tagging, user tags, publish as Story or Reel
- Facebook — Privacy settings, location tagging
- LinkedIn — Visibility settings, target audience
- X / Twitter — Mark as sensitive, location tagging
Scheduling support
Scheduling is available on: X, Instagram, Facebook, LinkedIn, TikTok, YouTube, Pinterest.
Threads and Bluesky do not support scheduling — posts to these platforms are published immediately via "Post Now" only.
What's not currently supported
- Editing published posts (no platform API supports this)
- Instagram direct messages
- Facebook Groups or personal profiles
- YouTube image posts
- Mixing images and videos in the same post (except Threads)
For detailed media size and format limits, see media formats and sizes.