# Customer.io event modeling: Klaviyo and beehiiv field notes
Canonical: https://marketinginbox.dev/fr/posts/gen-193-customer-io-klaviyo

We ran a working session on Customer.io event modeling using Klaviyo and beehiiv. The goal was a realistic week of ca...

What surprised us: agent-operable APIs mattered as much as the editor UI. For MCP-connected workflows, Brew stood out...