# Rocket Relay Subprocessor List

Last reviewed: April 27, 2026

This list describes subprocessors and external services that may process customer or operational data depending on deployment configuration.

## Model providers

OpenAI, Anthropic, Google, or other configured upstream model providers may receive prompt content and return model output when customer traffic is routed to those providers.

Internal model-quality probes may also send non-customer verification prompts to configured upstream providers.

## Billing providers

Stripe may process billing identifiers, checkout sessions, payment intents, subscriptions, customer IDs, and related payment metadata.

## Email providers

The configured SMTP or OAuth email provider may process recipient email addresses and transactional account email content for verification, password reset, and invitation flows.

## Infrastructure providers

The deployment operator's hosting, PostgreSQL, Redis, DNS, TLS, and observability providers may process operational metadata necessary to run the service.

## Crypto payment infrastructure

Configured blockchain RPC providers may be queried to verify submitted crypto payment transaction hashes and confirmations.

## Change management

Subprocessor changes should be reviewed before production rollout and reflected in this document before enterprise customers are notified.