QR Master cloud platform provides API for developers and partners, which makes it easier for the developers to manage hotel and lock. QR Master cloud platform will surely make your APP more popular and get more business opportunities. We are looking forward to create and cooperate with more creative website and mobile application.

API runs over HTTPS using POST method, data encoded with UTF-8. Developers can generate signature with QR Master developer account, token and send required parameters, specify HTTP header while calling API.