Klaviyo
Klaviyo uses 26 subprocessors and infrastructure vendors, including AWS, OpenAI and Anthropic, based on its public subprocessor list. Last checked Nov 11, 2026.
AI Stack · 2
Infrastructure · 24
AI Stack
Infrastructure
Cloud & Networking
Databases
Data Pipeline
Observability
CRM & Support
Developer Platform
Communications
Advertising Platform
Model labs reached through vendors 4
Klaviyo does not list these model providers. Vendors on its list name them on their own subprocessor lists.
Changes
Checked Nov 11, 2026Source
This is the first saved copy of Klaviyo’s subprocessor list. Added and removed vendors will show here after the next check.
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