Subprocessor Registry
We work with a short list of trusted service providers who process limited personal data on our behalf to deliver, secure, and improve Celesto AI. We review each provider for security and privacy alignment before onboarding them.
Subprocessors
A current list of subprocessors, their anticipated processing tasks, and primary country or region of location.
Provider
Anticipated processing task
Country of location
Amazon Web Services, Inc.
Cloud infrastructure (compute, storage, networking)
United States and other regions
Google LLC
Cloud infrastructure, managed services, and Google Analytics 4
United States
OpenAI, OpCo, LLC
Foundation model inference and API services
United States
Clerk, Inc.
Authentication and user identity management
United States
Vercel, Inc.
Cloud hosting, deployment, web analytics, and performance monitoring
United States
Functional Software, Inc. (Sentry)
Error monitoring, diagnostics, and application performance telemetry
United States
GetEmails, LLC d/b/a Retention.com (RB2B)
Business visitor identification and marketing measurement
United States
Cloudflare, Inc.
CDN, edge security, DNS, performance optimization
Global
PostHog, Inc.
Product analytics and telemetry
United States
Stripe, Inc.
Payment processing and billing
United States
PlanetScale, Inc.
Database infrastructure
United States
Request updates
We will update this registry before onboarding any new subprocessor or materially changing how we work with an existing provider. Customers who need advance notice can subscribe to change alerts or contactprivacy@celesto.ai.