Sub-processors
Last updated: 15 October 2026
SimpleCopywriter relies on a small set of vetted providers to run the service. Each one processes data only as needed to provide its part of the product. This list is provided for transparency and may be updated as our infrastructure evolves.
| Provider | Purpose | Location |
|---|---|---|
| Supabase | Database, authentication, and document storage. | United States |
| Google (Gemini, Google Analytics) | Language and embedding models for research, reading uploaded documents and images, polishing and search. Google Analytics measures visits to our public pages, only with your consent. | Global |
| OpenAI | Language models that write your copy, process your uploaded documents and run the editorial checks. | United States |
| Mistral AI | OCR and text extraction on uploaded documents. | France (European Union) |
| Stripe | Payment processing and subscription billing. | United States |
| Resend | Transactional email delivery. | United States |
| PostHog | Product analytics. | United States |
| Railway | Application hosting; the document processing and text extraction service. | United States |
| Sentry | Error monitoring and diagnostics. | United States |
| Inngest | Background job orchestration for document processing, writing and review runs. | United States |
| Cloudflare | DNS, network security and traffic protection for our website. | Global |