How do you not allow instant booking?

Hi! Are you asking about AirBnB or VRBO? Also, have you done the API integration with either of them?

If AirBnB, and you do NOT have API, then take a look at you listing and click on Booking Settings at the top of the page. Scroll down to "How Guests Can Book" to change your settings.

BUT - if you're asking about AirBnB and you are API integrated, you can not turn off IB. However, you can change to their most restrictive setting which will eliminate a lot of folks. Go to Settings > Channels > API Integrations. Once you're in the AirBnB connection and click on change, the second line lets you pick your policy. It's not foolproof, but it definitely helps.