Subprocessors

The following is the current list of Subprocessors Courier engages to process customer data in providing the Courier services. Subprocessors marked optional are engaged only for features a customer chooses to enable. Where AI features are enabled, customer data is not used to train any third-party AI model, and zero data retention terms are in place. Last updated: August 3, 2026

Subprocessor

Description

Location

Amazon Web Service

Cloud infrastructure

USA & EU

Anthropic (optional)

LLM provider

USA & EU

Clickhouse

Analytics

USA & EU

Cloudflare

Content delivery

USA & EU

Datadog

Application monitoring

USA & EU

dbt

Data transformation

USA

DragonflyDB

Cloud infrastructure

USA & EU

Hubspot

CRM

USA

OpenAI (optional)

LLM provider

USA & EU

Sentry

Application monitoring

USA

Snowflake

Data warehouse

USA & EU

Stripe

Payment processing

USA

Twilio

Analytics

USA

Vercel

Cloud infrastructure

USA & EU

WorkOS (optional)

SSO

USA