ProsperStack
ProsperStack sells cancellation flow, winback campaign and revenue recovery software that helps subscription businesses retain customers.
Subprocessors (3)
List updated Nov 6, 2025 · Checked Oct 25, 2026 · source disclosure ↗
| vendor | purpose | evidence |
|---|---|---|
| | Application hosting Infrastructure sub-processors | “Amazon Web Services | Amazon Web Services, Inc. | United States | Application hosting” |
| | Transactional email Infrastructure sub-processors | “Postmark | ActiveCampaign, LLC | United States | Transactional email” |
| | Error tracking Infrastructure sub-processors | “Sentry | Functional Software, Inc. | United States | Error tracking” |
- Amazon Web ServicesUnited States
Application hosting
“Amazon Web Services | Amazon Web Services, Inc. | United States | Application hosting”
- PostmarkUnited States
Transactional email
“Postmark | ActiveCampaign, LLC | United States | Transactional email”
- SentryUnited States
Error tracking
“Sentry | Functional Software, Inc. | United States | Error tracking”