Captions and platform rules
Post a thread, a poll, or limit who can reply
Turn a post into a thread on X, Threads and Bluesky, add an X poll, choose who can reply on X, and tag a Threads topic.
Updated
Steps
- Write the first post in the caption. With X, Threads or Bluesky picked, tap Make it a thread under it.
- Add up to 9 more posts. Each shows a counter for every platform it goes to.
- For a poll, open the X card under Platform settings, tap Add a poll, add 2 to 4 choices and pick how long it runs.
- In the same card, Who can reply sets it for the post.
- For Threads, add a Topic to show with the post.
Limits
| What | Limit |
|---|---|
| Each post in a thread | X 280 (25,000 with Premium), Threads 500, Bluesky 300 characters |
| Thread length | Up to 10 posts |
| X poll | 2 to 4 choices of 25 characters; 5 minutes to 7 days |
| Threads topic | Up to 50 characters, no “.” or “&” |
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