Subprocessors
The providers that help us run YelloShelf.
Last updated 19 October 2026
Our subprocessors
These companies process data on our behalf to provide the service.
| Provider | Purpose |
|---|---|
| Neon | Database hosting |
| Cloudflare (R2) | File storage |
| Vercel | Website hosting |
| Railway | API and background job hosting |
| Polar | Payments, tax, invoices and receipts |
| Resend | Transactional email |
| PostHog | Product analytics |
| Sentry | Error tracking |
| OpenRouter and its model providers | AI text and vision models |
| fal.ai and its model providers | AI image models |
| Serper.dev | Market research search results |
Changes
We update this list when we add or replace a subprocessor.