By default, HubSpot's social tool will shorten links in your social post to a hubs.ly link. If you own a branded short domain on Bitly, you can connect your Bitly account to HubSpot.
After connecting your Bitly account, links in your social posts and tracking URLs created in the Tracking URL Builder be shortened using your branded short domain.
To connect a Bitly account, you must have All accessible accounts or Their connected accounts social permissions, or be a Super Admin. To connect your Bitly account:
Removing the Bitly app from your Connected apps settings will not disconnect the account. To disconnect the account, you'll need to remove the account from your social publishing settings. You will need All accessible accounts or Their connected accounts social permissions, or be a Super Admin.
To disconnect your Bitly account: