Sub-processors.
Ce texte n’existe qu’en anglais ; la version anglaise fait foi.
The companies that process personal data on our behalf to run SYNC: what each one does, and where.
Last updated 30 September 2026
The list
| Sub-processor | Purpose | Location |
|---|---|---|
| Anthropic | AI models that read sources and draft text | United StatesData is stored in the US. By default a request may be processed in any region; Anthropic’s API has no EU option. |
| OpenAI | AI models that read sources and draft text | Via Groq and Together AISYNC runs OpenAI’s open models (gpt‑oss) on Groq and Together AI; no data goes to OpenAI. |
| AI models that read sources and draft text | No fixed regionGoogle may process requests in any country where it has facilities. An EU region exists on Google Cloud (Vertex AI), which we do not use. | |
| Moonshot AI (Kimi) | AI models that read sources and draft text | Via Together AIKimi runs on Together AI’s servers; no data goes to Moonshot AI. |
| Together AI (hosts open models) | AI models that read sources and draft text | No fixed regionTogether picks the data centre for each request. EU-only hosting needs a dedicated endpoint, which we do not use. |
| DeepInfra | Text embeddings: search by meaning over companies and the documents you upload | United StatesHosts the open embedding model SYNC uses (multilingual-e5-large-instruct). [Retention terms to confirm] |
| Supabase | Database and storage | EU (Ireland) |
| Vercel | Hosting of the app and site | United StatesFunctions run in Washington, D.C.; pages are served from the nearest edge. EU region available; not yet selected. |
| Resend | Email notifications, and the emails for a sign-up on this site | United StatesEmails are sent from the EU (Ireland). Resend stores account data, logs and email metadata in the US. |
| Bright Data | Web search and reading public pages, also for the company research after a sign-up | Pas encore confirmé : [location to confirm]Based in Israel. Bright Data does not publish where it hosts data. |
| Composio | Mailbox, calendar and CRM connections | Pas encore confirmé : [location to confirm]Composio does not publish where it hosts data. |
| BetterContact | Finding email addresses and phone numbers | EUServers in the EU; the company is based in France. |
| HubSpot | CRM for sign-ups on this site | Pas encore confirmé : [EU (Germany) if our account is hosted in the EU; to confirm] |
| Groq | AI models (open models) and transcription of calls | United StatesGroq may also process in other countries where it operates. An EU region is offered on its Enterprise plan only; not used. |
Which model handles a task depends on the task; all are reached through our own routing layer.
Where data is stored
Workspace data is stored in the EU (Ireland). Some sub-processors process data outside the EU; the list shows where each one is confirmed.
You sign in to your mailbox on Microsoft’s or Google’s own screen. The connection is held by Composio, our connection provider. SYNC never sees your password.
Changes to the list
This page changes before a new sub-processor starts. How we notify customers, and how long before: Pas encore confirmé : [to publish]. The terms each sub-processor is held to are in the DPA.