Privacy Policy

This Privacy Policy describes how GradeUp Reminders ("the Service") collects, uses, and protects information when you use our Telegram bot and Google Calendar integration.

1. Who we are

GradeUp Reminders is operated by Luis Castellanos. You can contact us at atlas@luiscastellanos.net.

2. What data we collect

When you connect your Google account, we access:

• Your Google Calendar events (read-only) — to find scheduled lessons
• Your Google account email address — to identify your account

We also store your Telegram user ID and the Telegram group chat IDs you provide for your students.

3. How we use your data

We use your data solely to:

• Read your calendar and send lesson reminder messages to your students via Telegram
• Associate your students with the correct Telegram group chats

We do not sell, share, or use your data for any other purpose.

4. Data storage

Your data (Google tokens, student names, and chat IDs) is stored securely on a private server. We do not share it with third parties.

5. Google API usage

Our use of Google Calendar data is limited to reading event titles, times, and descriptions to identify lesson appointments. We request read-only access and do not modify your calendar in any way.

Our use and transfer of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

6. Revoking access

You can revoke our access to your Google account at any time by visiting Google Account Permissions and removing GradeUp Reminders.

7. Contact

For any questions about this policy, email atlas@luiscastellanos.net.