Vouch Key. Driven by identity More than a car key on a phone, vouch.io creates digital key experiences for the automotive industry. Vouch Key is a complete digital key and identity solution for automotive OEM’s. Securely connecting people and cars, we work with the most innovative automotive manufacturers, applying our digital key technology to create unique connected car experiences. Replacing traditional car keys with digital keys via smart devices linked to a unique identity, Vouch Key offers new, unique capabilities to enable innovation for logistics, dealerships, fleet, rental, delivery and customer ownership. Headquartered in Atlanta, USA with locations globally.