Companies / Buttondown
Buttondown is an email platform for sending newsletters, with automations, personalization, an editor, and an API. It serves both individual creators and businesses with large teams.
Summarized from its homepage on 5 Nov 2026.
Vendors of Buttondown and the evidence for each
Buttondown declares 11 subprocessors.
VendorCategoryEvidenceLevel
CloudflareCloud and infrastructureConfirmed
StripePaymentsConfirmed
Amazon Web ServicesCloud and infrastructureConfirmed
Google WorkspaceProductivityConfirmed
HerokuCloud and infrastructureConfirmed
MailgunEmail and communicationsConfirmed
PlainSupport and chatConfirmed
PostmarkEmail and communicationsConfirmed
SentryObservabilityConfirmed
SlackProductivityConfirmed
3 more vendors
See Buttondown's full stack and the source for every claim.
Create a free accountWork email, no card. Already have one? Log inVendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.
See Buttondown's full stack
Every vendor with its source and date, and an alert when Buttondown adds or drops one. The same lookup works for any company.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call