# Subprocessors (draft) _Last updated: 2026-10-31. Update this file before enabling a new vendor._ | Vendor | Purpose | Data seen | Region | |---|---|---|---| | Apify (actor marketplace) | Runs the scraping actors | Search URL/filters, returned rows | EU/US | | HarvestAPI | Filter-based people search | Filters, rows | US | | Bright Data | Company website / domain resolution | Company names, domains | Global | | BillionVerifier | SMTP/waterfall email verification | Email address | EU | | MailTester.Ninja | Email verification fallback | Email address | EU | | Exa | Domain search fallback | Company name | US | | QuickEnrich | Email by LinkedIn URL | Profile URL | US | | Hosting provider (Fly/Railway/Hetzner) | Compute, volume storage | All runtime data | chosen region | | Stripe | Payments (when enabled) | Billing contact, card token | US/EU | | Sentry (optional) | Error reporting | Stack traces, request path (no keys) | EU | Search filters and rows transit the chosen provider per request; the provider keeps no workspace state in crwl. None of the vendors receive API keys.