GMC Checker
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Privacy Policy

Last updated: February 17, 2026

Who We Are

GMC Checker ("we," "us," or "our") operates the website gmccheck.com and the GMC Checker Shopify app. We provide automated compliance checking for Google Merchant Center requirements. This Privacy Policy describes how we collect, use, and protect your information.

Information We Collect

Information You Provide

  • Store URL and email address — provided when you run a compliance check or install our Shopify app.
  • Store name and contact details — retrieved from Shopify when you install the app, used to personalize your compliance report.
  • Payment information — processed securely through Shopify Billing or Polar.sh. We never store credit card details on our servers.

Information Collected Automatically

  • Website content — when you run a scan, we crawl your store's publicly accessible pages to check compliance. This includes page content, navigation structure, and policy pages.
  • Google Merchant Center data — if you connect your GMC account, we access account status, product disapprovals, and issue details to provide actionable recommendations. This data is accessed via OAuth 2.0 with your explicit consent.
  • Technical data — browser type, IP address, and pages visited on our site. Used for analytics and security purposes.

How We Use Your Information

  • Compliance analysis — your store content is sent to AI services (Anthropic, OpenAI) for compliance evaluation. Content is not used to train AI models.
  • Reports and alerts — we email compliance reports and score change alerts to the address you provide.
  • Service improvement — aggregated, anonymized data helps us improve our compliance rules and detection accuracy.
  • Support — to respond to your questions and troubleshoot issues.

Third-Party Services

We use the following services to operate GMC Checker:

  • Spider Cloud — website crawling. Your store's public pages are crawled to gather content for analysis.
  • Anthropic & OpenAI — AI analysis of crawled content against compliance rules.
  • Supabase — database hosting for scan results and reports.
  • Resend — transactional email delivery for reports and alerts.
  • Polar.sh — payment processing for one-time compliance checks.
  • Shopify — app platform, billing, and store data access.
  • Vercel — application hosting and deployment.
  • Google — Merchant Center API access (with your OAuth consent).

Google Merchant Center Data

When you connect your Google Merchant Center account, we access your account status, product statuses, and issue details. This data is:

  • Used solely to provide compliance insights and recommendations within our app.
  • Stored securely with encrypted OAuth refresh tokens (AES-256-GCM).
  • Never sold, shared with third parties, or used for advertising.
  • Deletable at any time — disconnect your GMC account in the app and all cached data is removed.

Data Retention

  • Scan results — retained for as long as your Shopify app is installed. Uninstalling the app deletes all associated data.
  • One-time check reports — retained for 90 days, then automatically deleted.
  • Crawled page content — stored temporarily during analysis and discarded after the report is generated.

Data Security

We implement industry-standard security measures including encrypted data transmission (TLS/SSL), encrypted token storage (AES-256-GCM), and access controls. Sensitive credentials are never logged or exposed in client-side code.

Your Rights

You have the right to:

  • Access — request a copy of the data we hold about your store.
  • Deletion — request deletion of your data by uninstalling the Shopify app or contacting us.
  • Disconnect — revoke GMC access at any time from within the app.
  • Opt out — unsubscribe from email alerts at any time.

Cookies

Our website uses essential cookies for functionality (session management). We do not use tracking cookies or third-party advertising cookies.

Children's Privacy

Our service is not directed to individuals under 18. We do not knowingly collect personal information from children.

Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated date. Continued use of our service after changes constitutes acceptance.

Contact Us

If you have questions about this Privacy Policy, contact us at info@gmccheck.com.