Vol. 03 · Field Guideswallowtail · subprocessorsupdated 2026 · 05 · 12
No. 21 · Subprocessors

Who we share data with.

A short, exhaustive list. We notify customers 30 days before adding any new entry.

SubprocessorPurposeRegion
HeadpatVPS hosting (single private server)Frankfurt, Germany
StripeBilling, payment processingUnited States · EU
CloudflareCDN, WAF, tunnel ingressGlobal
ResendTransactional emailUnited States