| Supabase | Sign-in and the main database | Account details and learning records: assignments, progress, scores, certificates, notes, and audit events | United States (Oregon) |
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| Amazon Web Services | File storage, malware scanning, background processing, content delivery, and encrypted backups | Uploaded files and course content, scan results, encrypted backups, and operational logs | United States (Ohio); global delivery network |
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| Vercel | Web hosting and server functions | Data in transit through the app, and request logs (IP address, browser, and page path) | United States (Oregon); global delivery network |
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| Mux | Video hosting, playback, and captions | Course videos and captions, and playback quality data without learner identity | United States; may process globally |
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| Resend | Email delivery | Recipient name and email, message content, and delivery status | United States |
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| Cloudflare Turnstile | Bot protection on sign-in and public forms | Browser signals and IP address | Global network |
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| Google | Google sign-in | Name, email, and Google account ID | United States; may process globally |
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| Stripe | Payments for self-serve purchases | Billing contact and payment status; Openbox never stores full card numbers | United States; may process globally |
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| Namecheap | Support email mailbox | Messages you send to Openbox support | United States |
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| GitHub | Source code and release automation | No customer data by design | United States |
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