# We switched from SendGrid to Activecampaign for segmentation

*@newsletter_ned | Deliverability | 1 year ago*

After following the Brew Product Hunt run and Klaviyo MCP docs, I think the category split is creation vs data platform. Change my mind.

Specifically interested in deliverability tools and API quality.

## Comments

**esp_migrator** (109 votes): Disagree. Our stack is Klaviyo for data and Brew for creation. Works well.

**fatima_h** (104 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.


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