Service providers and data processing
Service overview: 26 May 2026 · explanation revised: 13 November 2026
Services listed in the published technical documentation; configurations and contractual terms have not been checked again.
For syntrociety.org, syfers.eu, People, Lens, Compass and Chart. Also consult the privacy notice for the tool you use.
Have a question or objection about a service provider? Write to privacy@syntrociety.org and state which service and data are involved.
Hosting and infrastructure
| Processor | Role | Published location | Data | Used by |
|---|---|---|---|---|
| Vercel Inc. | Website and application hosting | United States; worldwide network | Website traffic and server logs | The listed websites and tools |
| Supabase Inc. | Database, login and file storage | EU (Frankfurt) | Account details and application data | people, lens, compass, chart |
| Upstash Inc. | Limiting repeated requests | EU (Frankfurt) | Rate-limit keys (hash values) | people, lens, compass |
| Fly.io Inc. | Hosting for document conversion | EU | Document content for conversion | lens |
Communication
| Processor | Role | Published location | Data | Used by |
|---|---|---|---|---|
| Plus.io Inc. (Resend) | Confirmations, notifications and newsletters | Delivery through the US and EU | Email address, message content and delivery status | syntrociety, people, lens, compass, chart |
Analytics
| Processor | Role | Published location | Data | Used by |
|---|---|---|---|---|
| Plausible Insights OÜ | Cookieless visitor statistics | EU (Germany) | Aggregated visitor statistics | syfers.eu, syntrociety.org |
| Vercel Inc. | Visitor statistics and website performance | United States; worldwide network | Aggregated visitor statistics and performance measurements | syntrociety.org |
Document analysis and search
The model services listed below are used by Lens for document processing. Their role is described explicitly here so you can see where document content is processed.
| Processor | Role | Published location | Data | Used by |
|---|---|---|---|---|
| Anthropic PBC | AI for document classification, translation and questions | United States | Document content, questions and answers | lens |
| Voyage AI Inc. | Making documents searchable | United States | Document excerpts | lens |
Payments
| Processor | Role | Published location | Data | Used by |
|---|---|---|---|---|
| Stripe Payments Europe Ltd. | Records of previous payments | Ireland and US (fraud prevention) | Payment details held by Stripe, email address and amount | syntrociety, compass |
Source control and deployment
| Processor | Role | Published location | Data | Used by |
|---|---|---|---|---|
| GitHub Inc. | Source code and document publication from Lens and Chart | United States | Source code; also document content and metadata when publishing documents | The listed websites and tools |
Transfers outside the EEA
Some services process data outside the EEA. Transfer conditions must be established for each processing activity. Request the agreements at privacy@syntrociety.org.
Sub-sub-processors
Service providers may engage other parties. Ask which current agreements apply to your data.