Hostify provides three different ways how to activate a new listing:
Open the Channels section -> Airbnb. Then you will see all of your Airbnb accounts. Click on the nickname/name of the integration, which owns your new listing:
Then you will see a Listings section. There will be listed all of the listings that belong to that account. From the switch button you can activate them:
2. You can search for your new listing in the Inactive listings of the Listings section:
When you found a listing you can open it by clicking on it's title/nickname.
After you have to go on Settings -> PMS services to ON and set desired Airbnb Connection type.
3. The third option is related again to the Inactive listings as well. From the checkmarks, on the left most side of the page, select the listing/listings that you want to activate. On the top right corner of the screen, you will see a new "Edit" button which will appear.
Then you just need to mark the PMS services, switch to ON and Save: