YouTube API User Data Policy for "Donation & Viewers (for YouTube Live)" Client

Effective Date: October 23, 2019

“Donation & Viewers (for YouTube Live)” (the App) is a downloadable software that runs on a user’s LaMetric Smart Device and uses YouTube Application Program Interface (API) Services. You can find out more about the App at

LaMetric Smart Device is a smart internet connected device with limited input and output capabilities that is capable of running LaMetric apps. You can find out more about LaMetric smart devices at

LaMetric Companion App is a downloadable software that runs on user's iOS or Android device and allows the user to configure his/her LaMetric Smart Device. LaMetric Companion App provides reach input capabilities for apps that run on LaMetric Smart Devices. You can find out more information about LaMetric Companion Apps at

The App, LaMetric Companion App and LaMetric Smart Device is developed by Smart Atoms Ltd. (LaMetric) – a company incorporated under the laws of the United Kingdom. You can find out more about Smart Atoms Ltd. (LaMetric) at

How We Access Your Data

Smart Atoms Ltd. has obtained authorized client credentials for the App to access YouTube data via YouTube Data API Services. Smart Atoms Ltd. keeps these credentials confidential.

In order to access Google Calendar API Services, the App uses the following URLs:


How We Use Your Data

The App, while running on user’s LaMetric Smart Device, with the help from LaMetric Companion App is requesting the following Google user data:

  • Data associated with Google account: profile information and Open ID to let the app authenticate the YouTube account using OAuth 2.0 authentication mechanism. 
  • Data associated with YouTube account: Super Chat events to detect when donations occur and display them on the screen of LaMetric Smart Device. The data includes message id, supporter display name, donation amount, comment text, type of a message, message timestamp.
  • Public data associated with YouTube: channel names and thumbnails to provide ability to search for a specific YouTube channel. List of public videos on a channel to detect when live stream occurs (the data includes video ids and type - live/not live). Live stream video title, number of viewers, number of likes and dislikes to display it on the screen of LaMetric smart device during live stream.

How We Store Your Data

Data is downloaded via secure SSL connection. The data is not stored to device's persistent storage. The data does not leave your device. The data is immediately lost if LaMetric Smart Device gets powered off or user stops and deletes the App.

How We Handle Your Data

The data will not be transferred to others. The App will not use this Google data for serving advertisements. The App will not allow humans to read your data.

Revoke Access

If you decide to revoke access of the App to your Google account you may use “3rd Party Access” page of your Google Account located at

By using the App you also agree to the LaMetric Terms of Service, LaMetric Privacy-Policy, YouTube Terms of Service and Google Privacy Policy.

All notices required to be made to Smart Atoms Ltd. pursuant to this Policy may be made in writing to [email protected] or [email protected]. Alternatively, you can send written requests by regular mail to the following address: 78 York Street, London, W1H 1DP, UK

Policy version 1.1