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Companies / CallHub

CallHub tech stack

callhub.io

CallHub provides calling, texting, and email tools for campaign outreach. It serves advocacy groups, unions, nonprofits, and political campaigns.

Summarized from its homepage on 8 Nov 2026.

Classified asCommunications

The CallHub homepage

Vendors of CallHub and the evidence for each

CallHub declares 24 subprocessors, including AI providers OpenAI.

VendorCategoryEvidenceLevel
CloudflareCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company8 Nov 2026Source
Websiteheader: cf-ray: a571b36fdc672368-SJC8 Nov 2026Source
Companies using Cloudflare
HubSpotCRM and salesConfirmed
Subprocessor listNamed as Hubspot Inc. · Processes data for the company8 Nov 2026Source
Websitescript: //js.hsforms.net/forms/embed/v2.js8 Nov 2026Source
Companies using HubSpot
PlivoEmail and communicationsConfirmed
Subprocessor listProcesses data for the company8 Nov 2026Source
Privacy policyProcesses data for the company8 Nov 2026Source
Companies using Plivo
TwilioEmail and communicationsConfirmed
Subprocessor listProcesses data for the company8 Nov 2026Source
Privacy policyProcesses data for the company8 Nov 2026Source
Companies using Twilio
AutoPilotHQ Inc.Confirmed
Subprocessor listProcesses data for the company8 Nov 2026Source
CleverTapConfirmed
Subprocessor listNamed as CleverTap Private Limited · Processes data for the company8 Nov 2026Source
Companies using CleverTap
GoogleCloud and infrastructureConfirmed
Subprocessor listNamed as Google LLC. · Processes data for the company8 Nov 2026Source
Companies using Google
HeapAnalyticsConfirmed
Subprocessor listNamed as Heap Inc. · Processes data for the company8 Nov 2026Source
Companies using Heap
KinstaCloud and infrastructureConfirmed
Subprocessor listNamed as Kinsta Inc. · Processes data for the company8 Nov 2026Source
Companies using Kinsta
LogRocketObservabilityConfirmed
Subprocessor listNamed as Logrocket · Processes data for the company8 Nov 2026Source
Companies using LogRocket

19 more vendors

See CallHub's full stack and the source for every claim.

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Questions about CallHub

Does CallHub use OpenAI?

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.

See CallHub's full stack

Every vendor with its source and date, and an alert when CallHub adds or drops one. The same lookup works for any company.

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