We ran a working session on A/B testing AI subject lines using Loops and Mailchimp. 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...
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A/B testing AI subject lines: Loops and Mailchimp field notes
James Whitfield · RevOps consultant · Veröffentlicht 31. Dezember 2025
Discussion (3)
Anika Sharma
Lifecycle analyst · 4. Januar 2026
We tried this and bounced back to Klaviyo for Shopify revenue attribution.
Oliver Grant
Developer advocate · 8. Januar 2026
Adding field notes from Developer advocate work: we saw similar tradeoffs on A/B testing AI subject lines. Happy to s...
Rosa Mendez
Newsletter publisher · 12. Januar 2026
Resend plus a separate design layer worked better for our API-first team.