toSend Subprocessors
Reliable email for websites, apps, and the agencies that run them.
- Subprocessors
- 5
- Locations
- 4
- Categories
- 2
- Last scanned
| Name | Category | Purpose | Location | Data processed |
|---|---|---|---|---|
| Amazon Web Services, Inc. ↗ DPA | Cloud Infrastructure | Email delivery via Amazon SES. |
 United States
Germany (European Union) for teams on the EU (Frankfurt) sending region
|
Email envelopes (from, to, subject), message bodies while being sent, sender reputation signals, bounce and complaint feedback. |
| Cloudflare, Inc. ↗ DPA | Cloud Infrastructure | Email data plane (Workers, D1 database, R2 object storage, KV cache, Queues, Analytics Engine) and hosting for the public marketing website (tosend.com) on Cloudflare Pages. |
 European Union
|
API request metadata, email logs, message bodies (encrypted at rest, deleted after 14 days), suppression entries, webhook delivery logs, IP addresses, user-agent strings, public website access logs. |
| Fly.io, Inc. ↗ DPA | Cloud Infrastructure | Routing for the SMTP relay (smtp.tosend.com). Used only when you send over the SMTP protocol; API and SDK sends never touch it. | Germany (European Union) | Messages submitted over SMTP, in transit only (envelope, headers, body and attachments, plus the API key used as the SMTP password), and connecting IP addresses. |
| Hetzner Online GmbH ↗ DPA | Cloud Infrastructure | Hosting for the customer dashboard (dash.tosend.com) — the control-plane UI where customers manage their account, domains, API keys, webhooks, and billing. | Germany (European Union) | Account identifiers (email, hashed password, session tokens), tenant and organization settings, domain verification records, API key metadata, webhook configuration, billing view data, IP addresses, user-agent strings, server logs, and any data submitted through dashboard forms. |
| Stripe, Inc. ↗ DPA | Payment Processing | Payment processing, subscription billing, and credit purchases. |
United States
|
Billing name and address, email address, last four of card and brand (full card numbers are handled by Stripe and never reach our systems), invoice and transaction history. |
No subprocessors match your filters.
November 10, 2026
+5 added
- + Amazon Web Services, Inc. (Cloud Infrastructure)
- + Cloudflare, Inc. (Cloud Infrastructure)
- + Fly.io, Inc. (Cloud Infrastructure)
- + Hetzner Online GmbH (Cloud Infrastructure)
- + Stripe, Inc. (Payment Processing)