Privacy Policy

Last updated: August 26, 2026

Trello Telegram Notifier ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard information when you use our browser extension and Telegram bot (collectively, the "Service").

1. Information We Collect

1.1 Information You Provide

• Telegram account data: Your Telegram user ID, username, and first name — collected when you first interact with our Telegram bot.
• Trello API credentials: Your Trello API Key and Token — provided by you during the linking process to enable communication with your Trello boards.

1.2 Information Collected Automatically

• Webhook events: Trello board activity data (card names, board names, member names, etc.) — received via webhooks solely to generate and deliver notifications to you.
• Notification logs: Records of notifications sent to you, including event type, timestamp, and delivery status — stored for debugging and service improvement.

1.3 Information We Do NOT Collect

• We do not collect your Trello board content beyond what is necessary for notification delivery.
• We do not collect browsing history, cookies, or personal files.
• We do not collect payment information.
• We do not collect data from users under 13 years of age.

2. How We Use Your Information

We use the collected information solely for the following purposes:

• Service delivery: To send Trello notifications to your Telegram account.
• Account management: To link your Telegram and Trello accounts and manage your subscriptions.
• Technical support: To diagnose and resolve issues with the service.
• Service improvement: To understand usage patterns and improve the extension and bot.

3. Data Storage & Security

• All data is stored in encrypted MySQL databases on secure servers.
• Trello API tokens are stored encrypted and are never transmitted to third parties.
• Webhook communications use HMAC signatures for verification.
• All API communication uses HTTPS (TLS encryption).
• We implement reasonable security measures to protect against unauthorized access.

4. Data Sharing & Third Parties

We do not sell, trade, or otherwise transfer your personal information to third parties. We may share data only in the following limited circumstances:

• Trello API: Your Trello credentials are used exclusively to communicate with the official Trello API (api.trello.com) to fetch board data and manage webhooks on your behalf.
• Telegram API: Your Telegram user ID is used to deliver notifications through the official Telegram Bot API.
• Legal requirements: If required by law, court order, or governmental regulation.

5. Data Retention

• Account data: Retained as long as your account is active. Deleted when you unlink your account.
• Notification logs: Retained for 90 days, then automatically purged.
• Auth codes: Expire after 5 minutes and are automatically deleted.
• Webhook registrations: Deleted when you unsubscribe from a board.

6. Your Rights

You have the following rights regarding your personal data:

• Access: Request a copy of all data we hold about you.
• Correction: Request correction of inaccurate data.
• Deletion: Request complete deletion of your account and all associated data.
• Portability: Request your data in a structured, machine-readable format.
• Objection: Object to processing of your personal data.

To exercise any of these rights, contact us at support@trello.valkos.by.

7. Cookies & Local Storage

The browser extension uses Chrome's local storage to store your session data and preferences. This data remains on your device and is not transmitted to our servers except when you explicitly interact with the API.

The landing page may use essential cookies for basic functionality. We do not use tracking cookies or analytics cookies.

8. Children's Privacy

Our Service is not directed to individuals under 13 years of age. We do not knowingly collect personal information from children. If we become aware that we have collected personal information from a child, we will take steps to delete it promptly.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any significant changes by posting the new policy on this page and updating the "Last updated" date. Your continued use of the Service after changes constitutes acceptance of the updated policy.

10. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us:

• Email: support@trello.valkos.by
• Telegram: @TrelloTelegramBot