| Vercel | Web Analytics and Speed Insights, plus hosting and runtime infrastructure when a deployment uses Vercel | Request metadata needed to serve a Vercel deployment, plus page views, performance telemetry, and enumerated product events | Processing locations depend on the deployed service configuration and Vercel’s current documentation | May involve international processing; current transfer information is available from Vercel and on request | Analytics and Speed Insights are mounted by the app; hosting and runtime use depend on the live deployment configuration |
| Neon | PostgreSQL storage when the live DATABASE_URL is configured for Neon | Account identifiers and email domains; Stripe billing email, customer and subscription references; checkout state; device IDs and truncated user agents; restore-token and webhook-event IDs; and usage counters. No Curie or Reader message text | The region configured for the live database | Current database region and transfer information are available on request | Only when account, billing, allowance, device, or recovery data is read or written |
| Stripe | Payment processing, subscription management, invoicing, and customer portal | Customer, billing-address, payment, subscription, and invoice information entered on Stripe pages, plus the Clerk account ID supplied as Checkout metadata and client reference | Processing locations and transfer arrangements are described in Stripe’s current privacy materials | May involve international processing; current transfer information is available from Stripe and on request | Only when you start or manage a paid plan |
| Clerk | Authentication, account profile, and session management | Account and session data managed by Clerk. Aliquot receives an authenticated user ID and stores an email domain, first-seen, and last-seen dates | Processing locations and transfer arrangements are described in Clerk’s current privacy materials | May involve international processing; current transfer information is available from Clerk and on request | Clerk middleware and provider code run on matched requests; account data applies when you sign in or use an account-required feature |
| Configured AI text service | Generates Reader responses and assistant answers through the configured text-generation service | Reader document text and Reader messages; assistant conversation text, including selected calculator context, when the assistant is used | Processing location and transfer arrangements depend on the live service configuration | May involve international processing; do not submit confidential, personal, patient, or proprietary material | Only when Reader or the assistant is used |
| Configured image-transcription service | Transcribes uploaded images when AI Scan is enabled | Uploaded image bytes and transcription prompt for AI Scan | Processing location and transfer arrangements depend on the active service configuration | May involve international processing; do not submit confidential, personal, patient, or proprietary material | Only when AI Scan is enabled and used |