KnockKey answers your building's call box, screens visitors with a fast AI voice flow, and unlocks the door when your rules allow—so deliveries succeed and you stop getting interrupted.
Incoming Call
Building Call Box
Delivery accepted
Amazon package - Door 1
KnockKey becomes the phone number your call box dials. When someone buzzes, our AI answers instantly, screens the visitor, and only unlocks when your rules allow. Review every interaction in your activity log.
Fewer missed deliveries
Less buzzer interruptions
Control over who enters
Household members supported
See how apartment dwellers are taking back control of their front door with KnockKey.
Sarah M.
Brooklyn, NY
"I used to miss 3-4 deliveries a week because I couldn't drop everything to answer the buzzer. Now KnockKey handles it and I just get a notification."
Amazon, UPS, FedEx, DoorDash, Instacart, grocery deliveries, pharmacy pickups—if they buzz, KnockKey handles it.
One plan. Everything included. No hidden fees. Cancel anytime.
per unit • household included
Fair-use policy for call minutes
7-day free trial • No credit card required
KnockKey works best when your call box dials a standard phone number and unlocks via keypad digits (DTMF). Most legacy telephone entry systems are compatible.