Platforms
Platform overview
What we support per network, the spec limits the platforms set, and the gotchas worth knowing before you start.
Post Mate publishes to nine networks today. Each one has a focused page below, but if you want a quick comparison up front:
| Network | Text | Image | Carousel | Video | Stories |
|---|---|---|---|---|---|
| — | ✓ | ✓ (2-10) | ✓ Reels | — | |
| TikTok | — | ✓ Photo | ✓ Photo | ✓ Video | — |
| YouTube | — | ✓ Thumbnail | — | ✓ Video + Shorts | — |
| ✓ | ✓ | ✓ (2-9) | ✓ | — | |
| Threads | ✓ | ✓ | ✓ (2-20) | ✓ | — |
| Bluesky | ✓ | ✓ | ✓ (2-4) | ✓ | — |
| — | ✓ Pin | — | ✓ Video pin | — | |
| X (Twitter) | ✓ | ✓ | ✓ (2-4) | ✓ | — |
| ✓ | ✓ | ✓ | ✓ | — |
The pages below go into each network's spec limits (max caption length, video specs, aspect ratios) plus the platform-specific errors we catch and surface in plain English.