Sub-processors
Last updated: 4 March 2026
SourceTag uses the following third-party sub-processors to deliver our service:
| Sub-processor | Purpose | Location |
|---|---|---|
| Cloudflare, Inc. | Application hosting (Pages), edge compute (Workers), database (D1), key-value storage (KV), object storage (R2), CDN, DNS, DDoS protection | San Francisco, US (global edge network) |
| Stripe, Inc. | Payment processing, subscription billing, invoicing | San Francisco, US (EU-US DPF certified) |
| Klaviyo, Inc. | Onboarding emails, product updates, marketing emails (opt-in) | Boston, US |
| Resend, Inc. | Transactional email delivery (account notifications, password resets) | San Francisco, US |
| Sentry (Functional Software, Inc.) | Error tracking and performance monitoring | San Francisco, US |
| Crisp IM SAS | Live chat on sourcetag.io and the SourceTag dashboard | Nantes, France (EU) |
| Google LLC | OAuth authentication (sign in with Google), Google Analytics on sourcetag.io | Mountain View, US (EU-US DPF certified) |
Changes to this list
We will update this page and notify affected customers at least 30 days before adding or replacing a sub-processor, in accordance with our Data Processing Agreement.
Contact
Questions about our sub-processors: privacy@sourcetag.io