Welcome, Product Hunt founders

We're passionate about supporting startups because not too long ago, we were one.

Eligible startups can get up to 12 months in our Startup Program.

Trusted by 8,000+ brands

Welcome, Product Hunt founders

We're passionate about supporting startups because not too long ago, we were one.

Eligible startups can get up to 12 months in our Startup Program.

Trusted by 8,000+ brands

Welcome, Product Hunt founders

We're passionate about supporting startups because not too long ago, we were one.

Eligible startups can get up to 12 months in our Startup Program.

Trusted by 8,000+ brands

We unify your data, messaging, and AI into a single platform, so every interaction with your customers is stronger and more relevant than the last.

Loved by product-led teams

Engage across the entire journey

Trusted by thousands of teams to power data-driven messaging and customer engagement.

Surface high-intent segments and automatically uncover behavioral patterns in your first-party data.

Built for real-time, behavior-driven messaging

Smarter journeys.

Trigger campaigns from live events and customer actions—not static schedules.

Build and optimize cross-channel workflows from a conversation, with logic the Agent configures for you.

One platform for every channel

Stronger content.

Send email, SMS, push, and in-app messages from a single, flexible system.

Draft, refine, and iterate on messaging while the Agent maintains your brand voice and guardrails.

Product-led growth

The messaging platform built for modern product teams

Product-led growth

The messaging platform built for modern product teams

Product-led growth

The messaging platform built for modern product teams

Engage

Reach customers across every channel

Connect your data sources, tools, and destinations to create a complete, real-time view of every customer.

Engage

Reach customers across every channel

Connect your data sources, tools, and destinations to create a complete, real-time view of every customer.

Trigger

Act on real-time customer behavior

Use events and behavioral data to launch campaigns the moment users take action—making every message timely and relevant.

Trigger

Act on real-time customer behavior

Use events and behavioral data to launch campaigns the moment users take action—making every message timely and relevant.

Build

Create flexible, data-driven workflows

Design and customize campaigns with full control over logic, segmentation, and messaging—whether simple or complex.

Build

Create flexible, data-driven workflows

Design and customize campaigns with full control over logic, segmentation, and messaging—whether simple or complex.

Customers love us

Preferred by product-led companies

Customer.io is the most intuitive and robust omnichannel messaging platform I’ve ever used. They beat the competition out of the water.

Alex MacCaw

Founder

Customer.io can do what other marketing automation tools can’t—take in millions of events from users per day, segment through them almost instantly, and use any campaign action imaginable to create workflows.

Gerald Aichholzer

Digital Marketing Executive

Customer.io is an irreplaceable piece for our marketing automation and operations stacks. Anyone on our team can build rich, diverse customer journeys with ease. Now with the CDP, all of our customer journey touchpoints are integrated into one intelligent platform.

Matt See

COO