Customer.io

About Customer.io

Customer.io is an AI-powered all-in-one customer engagement platform that unifies first-party data to build personalized, omnichannel journeys across email, push, in-app, SMS, WhatsApp, and more. It empowers marketing, product, and engineering teams with no-code/low-code tools including Journeys (visual workflow automation), Audiences (smart segmentation), Design Studio (branded content creation), AI-driven insights/recommendations/automation, data activation with reverse ETL, and advanced analytics. Features include real-time personalization, A/B testing, ad audience sync, mobile SDKs, and enterprise-grade security & compliance (SOC 2 Type II, GDPR, HIPAA, ISO 27001). Trusted by thousands of brands in SaaS, FinTech, EdTech, Healthcare, and marketplaces to drive activation, onboarding, retention, cross-sell/upsell, and meaningful customer relationships at scale.

Pricing

Use Cases

• Activation
• Cross-sell & upsell
• Onboarding
• Retention
• Personalized omnichannel journeys
• Data-driven segmentation
• Intelligent automation & AI insights
• Brand-consistent messaging at scale