Privacy notice

The website address and document you submit, the public pages and screenshots of that website, the critique and brand book we make from them, your email address when you sign in to buy, and payment records. Stripe collects your card and billing details at checkout.

Your document goes straight to Sigil's private storage on AWS. A private studio service on AWS reads it with your website and sends the material it needs to OpenAI's API to write the critique. A paid Book is made by Sigil's own studio runtime on AWS, using the same providers. We use Vercel to host the website, Neon for orders and payments, our shared Accounts service for sign-in, Resend for email and Stripe for payment. Error reports go to Sentry without your email, address or the content you submit. An analytics provider (PostHog), to understand how the site is used: pages visited, clicks, and how the site performs. It never receives your payment details, what you type, or your address. You can turn it off with "Do not track me" at the bottom of any page. If you reach the site from one of our ads on Meta (Facebook, Instagram) or TikTok and haven't declined analytics, we may tell that platform when you buy: the ad click's identifier, your browser type, and the order's reference and value, so we can see which ads work. It never receives your name, email or address. Declining analytics, "Do not track me", or a Global Privacy Control signal stops it.

We use your document only for your own Read and Book and never publish it. If you buy a Book, we keep it with your Book so we can update it later. Otherwise we delete it after 30 days. A Read stays at its link for 90 days. A paid Book, with the website address, document and Read it was made from, stays available from your account; write to us to have it removed. Payment records are kept for accounting.

For access, correction or deletion, write to sigil@auto-units.com from the email you used. Deleting a Book does not undo a payment.

We may update this notice when the service changes. The date above shows the latest revision.