CallHub
CallHub uses 23 subprocessors and infrastructure vendors, including AWS, OpenAI and Stripe, based on its public subprocessor list. Last checked Nov 14, 2026.
AI Stack · 1
Infrastructure · 22
AI Stack
Infrastructure
Cloud & Networking
Observability
Communications
13 companies
Cloud based Platform to make calls/send SMS
16 companies
Cloud based Platform to send mobile app notifications
134 companies
Cloud based Platform to send Emails
58 companies
Cloud based Platform to push data to web
420 companies
Cloud based Platform to make calls/send SMS
22 companies
Cloud based Platform to make calls/send SMS
141 companies
Cloud based Platform to send Emails
Billing & Payments
Analytics & BI
Model labs reached through vendors 4
CallHub does not list these model providers. Vendors on its list name them on their own subprocessor lists.
- AnthropicthroughCloudflare,Twilio,Zendesk,Segment,Mixpanel,Telnyx
- SpaceXAIthroughCloudflare,Plivo
- Google (Gemini)throughMixpanel
- MistralthroughZendesk
Changes
Checked Nov 14, 2026Source
This is the first saved copy of CallHub’s subprocessor list. Added and removed vendors will show here after the next check.
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