You can publish videos only on TikTok. Below are the video limits:
Supported media formats: MP4 (recommended), WebM, Mov
Supported Codecs: H.264 (recommended), H.265, VP8, VP9
Framerate restrictions: Minimum of 23 FPS, Maximum of 60 FPS
Video resolution: Minimum of 360 pixels (but it may reduce the video quality) and a maximum of 1080 x 1920.
All TikTok creators can post 3-minute videos, while some have access to post 5-minute or 10-minute videos.
The longest video a developer can send via the initialize Upload Video endpoint is 10 minutes. TikTok users may trim developer-sent videos inside the TikTok app to fit their accounts' maximum publish durations.
Size restrictions: Maximum of 50MB.
Please accept all permissions while connecting your account
Note that logging out of your social platforms, changing your social media account password, or login details will affect your connections here, reconnect to ensure a good experience.
Some account connections expire every 60 days, ensure to reconnect your account periodically for a good experience.
Reconnecting your account does not affect already scheduled posts, they will still be published at the scheduled time.
Connecting multiple TikTok accounts
Some platforms do not allow multiple accounts on the same browser session.
You would have to first of all sign in to all your TikTok accounts on a different browser tab and then switch to each in order to connect it to Postly.
Alternatively, you can sign in/sign out to one account at a time, while connecting each to Postly.