Sub-processors

Last updated: August 23, 2026

These are the third-party services we rely on to deliver Polinary. Each acts on our instructions under contract, and each is bound to confidentiality and security obligations. Where a provider is outside the UK or EEA, transfers are made under the safeguards permitted by Chapter V of the GDPR.

ProviderPurposeDataLocation
SupabaseDatabase, authentication, scheduled jobsAll application dataProject region
VercelApplication hostingRequest metadata, application logsUnited States / edge
StripeSubscription billingCustomer email, billing details. Card data is held by Stripe and never reaches usUnited States / Ireland
AnthropicScript generation and personalizationPrompt content. Under BYOK this runs on your own key and Anthropic is your processor, not oursUnited States
VerifaliaEmail deliverability verificationEmail addresses submitted for verificationEuropean Union (Italy)
ResendTransactional and outreach email deliveryRecipient address, message contentUnited States
GoogleGmail inbox connection (per-user OAuth)Access and refresh tokens, encrypted at rest; message metadata for reply detectionUnited States
MicrosoftOutlook inbox connection (per-user OAuth)Access and refresh tokens, encrypted at restUnited States
CloudflareBot mitigation (Turnstile)Challenge token onlyGlobal

A note on your own provider keys

If you connect your own AI or enrichment provider key, that provider processes data under your agreement with them, using your credential. In that arrangement they are your sub-processor rather than ours, and we neither resell nor pool the data they return.

Changes and notice

We update this page when we add or remove a sub-processor. If you have a data processing agreement with us that entitles you to advance notice of changes, we will give that notice as agreed. To request a copy of our DPA, or to raise an objection to a new sub-processor, email privacy@polinary.com.