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Customer.io

A messaging platform for event-driven emails, push and SMS, popular with SaaS teams.

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About Customer.io

Customer.io sends messages triggered by what users do in your product. Developers and growth teams use it for onboarding flows and lifecycle messaging.

Key features

  • Event-driven journeys
  • Email, push and SMS
  • Developer-friendly APIs
  • Segmentation

Pros and cons

Pros

  • Powerful for product-led companies
  • Flexible automation

Cons

  • More technical than simple email tools
  • Paid after the trial

Categories

📈 Marketing

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