# Claude running email campaigns: Resend and Klaviyo field notes
Canonical: https://marketinginbox.dev/es/posts/gen-246-claude-resend

We ran a working session on Claude running email campaigns using Resend and Klaviyo. The goal was a realistic week of...

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