
Customer.io
Email & Newsletters
FreemiumIn Email & Newsletters
About
More impact from every message m e s s a g e
Automated messaging across email, push, SMS and in-app.
Features & use cases
- Built for agents, not just humans
- Everything you need to engage customers
- Intelligence that compounds
- Orchestration that scales
- Journeys
- Audiences
Section titles taken from customer.io, checked 2026-08-01.