AirHost has officially integrated with KEY→Po, a cutting-edge time-limited key delivery system provided by MIWA LOCK (MIWA)—Japan's No. 1 manufacturer of architectural locks.
By syncing with AirHost HMS, KEY→Po automatically generates and delivers digital keys that are valid only during the guest's stay. This eliminates manual key management while ensuring the highest level of security, backed by MIWA’s strict quality standards.

World-Class Quality & Durability:
Benefit from the reliability of a manufacturer that boasts the top market share in Japan. KEY→Po smart locks have cleared rigorous testing, ensuring stable operation even in high-traffic environments.
Automated Time-Limited Key Issuance:
Through API integration, "Time-Limited Keys" (PIN codes) are issued automatically based on reservation dates. Keys are activated at check-in and automatically expire at check-out, providing a secure, hands-off operation.
Seamless Guest Journey:
Improve guest satisfaction with a completely keyless entry. Codes can be automatically sent to guests via AirHost, enabling a smooth, contactless check-in process from arrival to room entry.
Flexible Installation:
The system supports various lock types, including options that require no drilling, making it easy to upgrade security in any type of property—from boutique hotels to vacation rentals.
MIWA LOCK (MIWA) is the undisputed leader in Japan’s architectural lock industry. With decades of expertise and a commitment to precision engineering, they provide security solutions that meet the world's most demanding standards.
Their KEY→Po service is designed specifically for the hospitality and rental industries, combining MIWA's legendary hardware reliability with modern cloud-based key management.