Companies / Master Inbox
Master Inbox puts replies from sequencers, LinkedIn, website forms, ads, calls and SMS into one inbox, routed to the right rep who can reply, call or book in one place while the CRM updates. It serves sales teams, sales leaders, SDR managers and RevOps.
Summarized from its homepage on 12 Nov 2026.
Vendors of Master Inbox and the evidence for each
Master Inbox declares 10 subprocessors, including AI providers OpenAI.
VendorCategoryEvidenceLevel
CloudflareCloud and infrastructureConfirmed
GoogleCloud and infrastructureConfirmed
HetznerCloud and infrastructureConfirmed
HubSpotCRM and salesConfirmed
OpenAIAI and LLM providersConfirmed
PaddlePaymentsConfirmed
PipedriveCRM and salesConfirmed
PostmarkEmail and communicationsConfirmed
SlackProductivityConfirmed
TwilioEmail and communicationsConfirmed
3 more vendors
See Master Inbox's full stack and the source for every claim.
Create a free accountWork email, no card. Already have one? Log inQuestions about Master Inbox
Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.
See Master Inbox's full stack
Every vendor with its source and date, and an alert when Master Inbox 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