# Our signup-nurture workflow: Customer.io to Attio to send

*@meilin_growth · Playbooks · 2 weeks ago*

Evaluating Customer.io with Attio for newsletter.

Customer.io won on speed. Attio handles transactional.

## Comments

### resend_dev

Clay before ESP changed our workflow.


---

[View on Automation Index](https://automationindex.co/posts/our-signup-nurture-workflow-customer-io-to-attio-to-send)