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Use Create Post when you want to write a post in PostOnce instead of copying one from a source account. Open Posts › Create.
The Create Post page with account picker, media import buttons, caption box, Platform captions option and scheduling panel
1

Select accounts

Click each account that should receive the post (1).
2

Add media

Drag in images or videos, or import an image from Google Drive or Dropbox (2). See Import images.
3

Write the caption

Write one caption for every account (3). The counter shows the limit of the strictest platform you selected. When TikTok is selected, this box is the post Title.
4

Adjust captions per platform (optional)

With two or more accounts selected, tick Platform captions (4) to edit the text for each account. Accounts you don’t edit keep following the main caption.
5

Publish or schedule

Choose Post now, or Schedule for later and pick a date and time in your timezone (5). Click Post now or Schedule post. To finish later, click Save to drafts.

Platform options

Extra fields appear when you select these platforms:
  • TikTok: delivery (post directly or send as draft), privacy, comments, Duet, Stitch and content disclosure. See TikTok.
  • YouTube: title (up to 100 characters) and privacy: public, unlisted or private.
  • Pinterest: board, description and destination link.
Check Platforms at a glance for the media each platform accepts.
To protect your accounts, Post now allows up to 5 posts in a row and 10 per hour, then waits a few minutes. Scheduled posts are not affected.

After you publish

Still stuck?

Search this help center with ⌘ K, or email support@postonce.to from the address you use for PostOnce. Include the platform, the approximate time, and the exact message you saw. Never send passwords, access tokens, API keys, or card details. Something missing from PostOnce? Request a feature or check the roadmap.
Last modified on October 7, 2026