Overview
Supported Platforms
Capabilities, post types and connection method for each platform Onepostly publishes to.
Onepostly publishes to 9 platforms through one API. Use this page to check what each platform accepts before you build a post, then open the platform guide for its fields, media rules and errors.
Connection Method
| Platform | How the account connects |
|---|---|
| X (Twitter) | OAuth |
| OAuth with Instagram Login, or Facebook Login with an account picker | |
| OAuth with a Page picker. One connection per Page | |
| Threads | OAuth |
| OAuth | |
| YouTube | OAuth |
| TikTok | OAuth |
| OAuth | |
| Bluesky | Handle and App Password |
How to run each flow is in Connection.
Post Types and Text Limits
| Platform | mediaKind values | Max images per post | Text limit |
|---|---|---|---|
| X | text, image, multi-image, video | 4 | 280 (weighted). 25,000 for subscribed accounts |
image, multi-image, video, stories | 10 | 2,200 | |
text, image, multi-image, video, reel, stories | 10 | 63,206 | |
| Threads | text, image, multi-image, video | 20 | 500 |
text, image, multi-image, video, document | 20 | 3,000 | |
| YouTube | video | None | 5,000 |
| TikTok | video, image, multi-image | 35 | 2,200 |
image, video | 1 | 800 | |
| Bluesky | text, image, multi-image, video | 4 | 300 (graphemes) |
Instagram, YouTube, TikTok and Pinterest do not accept text-only posts. What each mediaKind publishes is in Publishing Posts. Per-platform fields and every text limit are in Platform Settings.
Capabilities
| Platform | Threads | Quotes | Remote delete | Comments | Likes | Reposts | Direct messages | Post analytics |
|---|---|---|---|---|---|---|---|---|
| X | No | |||||||
| No | No | Facebook Login only | No | No | ||||
| No | No | No | ||||||
| Threads | No | No | ||||||
| No | No | No | No | No | No | No | ||
| YouTube | No | No | No | No | ||||
| TikTok | No | No | No | No | No | No | No | |
| No | No | No | No | No | No | No | ||
| Bluesky |
Every platform supports scheduling. Threads and quotes are described in Publishing Posts, comments, likes and reposts in Engagement, and metrics in Analytics. No means the capability is not available through Onepostly's integration for that platform.
X Billing
Actions on X, including publishing, replying, liking and analytics reads, are paid from your prepaid Onepostly wallet at X list prices. When the balance is too low, requests return 402 INSUFFICIENT_WALLET. Top up in the dashboard under Settings → Billing. Details are in the X guide.