Privacy Policy

Effective Date: July 25, 2026

1. Introduction

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HMN Business Household (“we,” “our,” or “us”) operates LTCH Chat App (the “App”), a centralized Facebook Messenger inbox management platform for Facebook Page administrators.

This Privacy Policy explains how we collect, use, store, and protect your personal data when you use our App. By using LTCH Chat App, you agree to the practices described in this policy.

Business Information:

• Business Name: HMN Business Household
• Tax Code: 8383964032-001
• Address: No. 65/7, TTN 5 Street, Dong Hung Thuan Ward, Ho Chi Minh City, Vietnam
• Contact Email: [email protected]

2. Information We Collect

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2.1 Facebook Account Information

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When you log in using Facebook OAuth, we collect:

• Your Facebook name and profile picture
• Your Facebook user ID
• The list of Facebook Pages you manage

2.2 Page and Messenger Data

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Once you connect a Facebook Page, we collect:

• Messages: Incoming and outgoing message content from conversations on your connected Pages, including text, images, and attachments sent through Messenger
• Conversation metadata: Conversation IDs, timestamps, read/unread status, and participant information (PSIDs)
• Page information: Page IDs, names, and access tokens (encrypted)

2.3 Technical Data

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We automatically collect:

• IP address and browser information
• Usage data (features accessed, session duration)
• Error logs for troubleshooting purposes

3. How We Use Your Information

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We use the collected information solely for:

We do not use your data for:

• Advertising or marketing purposes
• Selling or renting data to third parties
• Profiling beyond what is necessary for app functionality
• Any purpose other than providing the App’s core messaging service

4. Data Storage and Security

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4.1 Where Data Is Stored

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Your data is stored on secure servers in a PostgreSQL database. We use industry-standard security measures including:

• Encryption at rest: Facebook access tokens are encrypted using AES-256-CBC encryption
• Encryption in transit: All communications use HTTPS/TLS encryption
• Access controls: Only authenticated users can access their own data

4.2 Data Retention

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We retain your data for as long as your account is active. Specifically:

5. Data Sharing

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We do not sell, trade, or share your personal data with third parties except:

• Facebook/Meta: As necessary for the App’s core functionality (sending/receiving messages via the Facebook Graph API and Messenger Platform)
• Service Providers: Cloud hosting and database services that operate under strict data processing agreements
• Legal Compliance: If required by law or to protect our legal rights

6. Your Rights

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You have the right to:

1. Access your data — view all stored information about your account
2. Export your data — request a copy of your conversations
3. Delete your data — disconnect Pages or delete your account (see our Data Deletion Instructions)
4. Correct inaccurate information
5. Withdraw consent at any time by disconnecting your Facebook login

To exercise any of these rights, contact us at [email protected].

7. Data Deletion

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You can delete your data in two ways:

• Automatic: Log in to the App, go to Settings, and disconnect your Page(s). All associated data will be removed.
• Manual: Email us at [email protected] with a deletion request. We will process it within 30 days.

For detailed instructions, please refer to our Data Deletion Instructions.

8. Changes to This Policy

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We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated effective date. We encourage you to review this policy periodically.

9. Contact

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

• Email: [email protected]
• Address: No. 65/7, TTN 5 Street, Dong Hung Thuan Ward, Ho Chi Minh City, Vietnam
• Business Name: HMN Business Household
• Tax Code: 8383964032-001