Subprocessors
The third-party providers we use to deliver Cosmic, and what each one does.
Last updated: September 5, 2026
Cosmic uses the third-party providers listed below to deliver the service. Each may process customer data in the course of doing so. We maintain this page as our subprocessor register and update it when the list changes.
Infrastructure and delivery
| Subprocessor | Purpose | Entity location |
|---|---|---|
| Amazon Web Services, Inc. | Application hosting, media file storage, content delivery | United States |
| MongoDB, Inc. (Atlas) | Content database | United States |
| Fastly, Inc. | Content delivery network and edge caching | United States |
| Vercel Inc. | Deployment of customer sites initiated from Cosmic | United States |
Business operations
| Subprocessor | Purpose | Entity location |
|---|---|---|
| Stripe, Inc. | Billing and payment processing | United States |
| Twilio Inc. (SendGrid) | Transactional email | United States |
AI features
These providers process content only when you invoke an AI feature, such as generating text, images or video, or running an AI agent. If you do not use AI features, no content is sent to them.
| Subprocessor | Purpose | Entity location |
|---|---|---|
| OpenAI, L.L.C. | AI text, image and video generation | United States |
| Anthropic, PBC | AI text generation and agent reasoning | United States |
| Google LLC | AI text, image and video generation | United States |
| Browserbase, Inc. | Browser automation for AI agents that perform web tasks | United States |
Authentication
These providers are involved only if you choose to sign in with them. They receive your identity for the purpose of authenticating you, and do not receive your content.
| Subprocessor | Purpose | Entity location |
|---|---|---|
| Google LLC | OAuth sign-in | United States |
| GitHub, Inc. | OAuth sign-in and repository access for deployments | United States |
Changes to this list
If you would like to be notified in advance when we add or replace a subprocessor, email support@cosmicjs.com and we will add you to the notification list for your account.
Questions
For a Data Processing Agreement, a completed security questionnaire, or any question about how a specific subprocessor handles your data, contact support@cosmicjs.com.
Start building today
No credit card required • Free forever