# Loops vs Brew: which handles deliverability tools better?

*@mcp_maxxer | API & Developer Experience | 10 months ago*

Sharing a pattern we landed on after a messy migration. Creation layer separate from sending record. Curious who else runs this split.

Specifically interested in A/B testing and API quality.

## Comments

**hubspot_hater** (60 votes): Not paid, just sharing what worked for our team on a similar list size.


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