First Comment
Automatically post a comment on your videos the moment they go live. Write your comment in the Caption step and ShortSync handles the rest.
The First Comment field in the Caption step
Why Use It?
- Add calls-to-action without cluttering your caption
- Start conversations and boost engagement
- Share links (clickable on Facebook)
- Pin important info at the top of comments
Supported Platforms
YouTube
Up to 10,000 characters
Links in comments appear as plain text (not clickable)
Up to 2,200 characters
Links in comments appear as plain text (not clickable)
Up to 8,000 characters
Links in comments are clickable
Note: TikTok does not support posting comments via their API.
Permissions
First comments require additional permissions. If you see a "Reconnect" prompt next to the First Comment field, click it to grant the necessary permissions.
Examples
"What topic should I cover next? Drop your ideas below!"
"Full tutorial on my website: shortsync.app"
"Follow for daily tips! #shorts #tutorial"