Open API Interface Application
The following link contains the user guide, documentation and API management for the Open API interface. You can click the following link to view and apply: https://www.usmart.hk/en/open-api
Office
CS Hotline: +852 3018 4526
Trading days: 24 hours
Non-trading days: 9:00-18:00
Email: cs@usmarthk.com
Address: 26/F, 2606, 308 Des Voeux Road Central, Sheung Wan, Hong Kong
WhatsApp: +852 5989 2641
Physical Store（set to open in Q2 2025）
Lok Ma Chau Store
West Kowloon Store
Address：
Shop LMC 307, 3/F, Lok Ma Chau MTR Station, Lok Ma Chau
Opening Hour:
9am - 9pm (Mon - Sat)
10am - 6pm (Sun and Public Holiday)
（set to open in Q2 2025）
