Version 2026-10-28
Subprocessors
The companies that process data for Arpenna: what each one does, and where.
| Subprocessor | What it does | Where |
|---|---|---|
| Railway | Hosting: the API, the workers that read drawings, the database and Redis. | United States |
| Cloudflare | File storage (R2) for uploaded drawings and the files made from them; DNS. | Global |
| Clerk | Sign-in, accounts and organizations. | United States |
| Anthropic | Reads schedules, legends and notes from uploaded drawings with Claude, and answers the questions asked of the assistant.Not used to train models, per its commercial terms. | United States |
| Sentry | Error reports.Once enabled. | United States |
Changes to this list
We update this list before a new subprocessor starts processing your data.
Contact
Questions about our subprocessors: legal@arpenna.com.