# First-party data and AI email

*@beehiiv_user | Comparisons | 1 year 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 webhooks and deliverability.

## Comments

**customerio_fan** (97 votes): Resend MCP plus React Email is clean if engineers own transactional.

  **deliver_or_die** (18 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.

**nadia_k** (34 votes): Customer.io is strong on journeys but you own the behavioral schema.


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[View on Email Agora](https://emailagora.co/posts/first-party-data-and-ai-email-206)