Stardex Sub-processors
Last Updated: Sept 10, 2026
Stardex uses a small number of trusted third-party service providers ("sub-processors") to deliver our platform. This page lists all current sub-processors that may process personal data on behalf of our customers.
This list is maintained in line with Section 6 of our Data Processing Addendum.
Get notified of changes
We notify customers in advance of any changes to our sub-processor list. To receive updates, email support@stardex.ai with the subject line "Subscribe to sub-processor updates" and include your company name.
You'll receive an email notification at least 30 days before any new sub-processor is engaged, giving you time to review and raise concerns per Section 6 of our DPA.
Current sub-processors
Infrastructure & Hosting
Amazon Web Services (AWS) Cloud hosting and infrastructure Location: United States
Vercel Frontend hosting and edge delivery Location: United States
Google Cloud Platform Cloud services Location: United States
Inngest Durable backend task execution Location: United States
Authentication & Identity
Clerk User authentication and identity management Location: United States
Payments
Stripe Payment processing and subscription billing Location: United States
Email & Communication
Nylas Email integration for customer accounts (where customer opts in) Location: United States
Search & Indexing
turbopuffer Vector and full-text search index hosting Location: United States
Search indexes hosted with turbopuffer contain customer data and derived embeddings on a persistent basis, encrypted in transit and at rest, and are deleted in accordance with Section 13 of our DPA.
AI Model Providers
All AI providers below operate under zero-retention agreements. Customer data is processed in real time and not stored by these providers after API requests complete. No customer data is used for model training, fine-tuning, or improvement.
Anthropic AI model provider (Claude models) Location: United States
OpenAI AI model provider (GPT models) Location: United States
Microsoft Azure AI model provider (Azure OpenAI Service) Location: United States
Voyage AI (MongoDB) AI model provider (text embeddings) Location: United States
Cohere AI model provider (search result reranking) Location: United States
Customer Support
Slack Customer support communications Location: United States
Plain Customer support platform Location: United States
Change log
September 2026 - Sub-processor list brought current. Added turbopuffer (search indexing), Voyage AI (embeddings) and Cohere (reranking) to reflect providers in use.
April 2026 - This page published.
Questions?
For any questions about our sub-processors, our processing activities, or to request copies of sub-processor agreements as referenced in DPA Section 6(f), contact support@stardex.ai.