Sub-processors
Last updated: May 3, 2026
SegmentFlow.ai engages the third-party Sub-processors listed below to help deliver the Service. Each Sub-processor is bound by data protection terms no less protective than those in our Data Processing Addendum.
We update this page when Sub-processors change. To receive email notifications of new Sub-processors at least 30 days in advance, contact support@segmentflow.ai to be added to our notice list.
| Sub-processor | Purpose | Region |
|---|---|---|
| Railway | Application hosting and container orchestration | United States (us-west) |
| Amazon Web Services (AWS) | Underlying cloud infrastructure for hosting partners | United States, EU (per service) |
| OpenAI | AI model inference for segmentation and email generation | United States |
| Anthropic | AI model inference for segmentation and email generation | United States |
| Google (Gemini API) | AI model inference for image and content generation | United States |
| Postmark | Transactional email delivery | United States |
| Amazon SES | Marketing and bulk email delivery | United States, EU |
| Stripe | Payment processing for direct subscriptions | United States |
| Polar | Subscription billing and merchant of record | United States |
| Shopify | E-commerce data sync and Shopify Billing API charges | Canada, United States |
| Better Auth | Authentication framework (self-hosted by SegmentFlow.ai) | United States (hosted with SegmentFlow.ai) |
| Cloudflare | DNS, CDN, and DDoS protection | Global edge network |
| PostHog | Product analytics (with user consent) | United States or EU (per workspace) |
Affiliates
SegmentFlow.ai does not currently engage corporate affiliates as Sub-processors. If this changes, the entity will be added to the table above with the same advance-notice commitment.