Effective date: 2026-03-30

This Privacy Policy explains how the GPT Prompt Chain Chrome extension and its companion backend services ("we", "our", or "the extension") collect, use, store, and share information when you use the product.

1) Data We Collect

We collect the following categories of data to provide and operate the extension:

a) Account and license data

• Email address (for account access and license verification)
• License key (for activation and subscription validation)
• Authentication/session tokens (access and refresh tokens)

b) Workflow and usage data

• Workflows you create, import, or modify (including names, descriptions, nodes, edges, tags, and saved state)
• Workflow usage metadata (such as run counts and last execution time)

c) Technical data

• Extension version (for compatibility and updates)
• Device identifier generated by the extension (used for application functionality)
• Basic request metadata (such as logs for debugging and performance monitoring)

d) Local storage data

The extension may store certain data locally using Chrome storage.local, including:

• License key
• Backend API URL