Founder price · 100 spots leftReserve

[ Legal ]

Subprocessors

The companies that process personal data for Skein, what each one does and where.

Effective 4 October 2026

01Website and reservations

In use today, for this website, the founder reservation and our emails.

ProviderWhat it doesDataWhereTransfer safeguard
Stripe · Stripe Payments Europe, Ltd.Payments, invoices and fraud preventionName, email, billing address, VAT id, payment detailsEU (Ireland), with transfers to the USEU–US Data Privacy Framework and Standard Contractual Clauses
Vercel · Vercel Inc.Hosting of the website and the APIIP address, request logsEU (Frankfurt), US parent companyEU–US Data Privacy Framework and Standard Contractual Clauses
Cloudflare · Cloudflare, Inc.Delivery of the website's media files (the launch film), only when a visitor opens itIP address, request logsGlobal network, files stored in the EUEU–US Data Privacy Framework and Standard Contractual Clauses
Resend · Resend, Inc.Sending system emails (confirmations, receipts, sign-in links)Email address, email content of system messagesUnited StatesStandard Contractual Clauses

02The Skein service

In use from launch, for the mail and data in your workspace.

ProviderWhat it doesDataWhereTransfer safeguard
Supabase · Supabase, Inc.Database and sign-in of the appAccount data, app data and metadata of the mailEU (Frankfurt), US parent companyStandard Contractual Clauses
Hetzner · Hetzner Online GmbHServers for background jobsApp data processed by background jobsEU (Germany)None (EU)
Amazon Web Services · Amazon Web Services EMEA SARLDelivery of outgoing mail (Amazon SES) and backupsOutgoing messages, addresses, delivery eventsEUNone (EU), US parent company covered by Standard Contractual Clauses
Cloudflare · Cloudflare, Inc.Secure network access to the mail serversIP addresses, connection metadataGlobal network, EU data localisation where availableEU–US Data Privacy Framework and Standard Contractual Clauses
Sentry · Functional Software, Inc.Error monitoring (no email bodies)Technical error data, pseudonymous idsEU (Germany)Standard Contractual Clauses

03Changes to this list

We email customers 30 days before adding or replacing a subprocessor, and you can object, as the data processing agreement describes. AI providers for the agent are added here, with notice, before they process any customer data.

© 2026 Carlos Martínez · Skein

Questions: info@skein.email