Say more,
more powerfully

Fueled by first-party data, create personalized journeys across all channels with our customer engagement platform.

  • 14-day free trial
  • No credit card required
  • Cancel anytime
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Data + Activation

Transform customer communication 

Manage and tailor customer messages within one unified platform. Because when powered by data, it’s more than a message, it’s a relationship.

  • Journeys

    Craft and automate messages with unmatched flexibility and customization.

  • Data Pipelines

    Collect and route your first-party data to all the tools you use to drive growth.

  • Parcel

    Code, preview, and collaborate using the development platform designed for email.

Trusted by 7,600+ brands around the world to send data-powered communication each day

Engage + Convert

Deliver meaningful interactions 

Create distinctive customer experiences across mobile and web via email, push, in-app, and SMS, powered by first-party data to engage customers where they are.

Visual workflow builder

Drag-and-drop interface to easily outline exactly how you want your automations to flow.

Omnichannel support

A unified customer experience across every touchpoint: email, SMS, push, in-app, ad audiences, and more.

Parcel code editor

A collaborative code editor to create high-quality emails.

Analytics + conversion goals

View performance, compare metrics, and track conversion goals.

A/B + cohort testing

Optimize messaging through content and cadence experimentation.

Powered by data

All your data without limits 

Easily move real-time data from source to destination and craft campaigns based on unlimited profile attributes, events, or actions.

Customer.io Data Pipelines
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APIs + Webhooks

Move real-time and relevant customer data from A to B to with API calls and webhooks.

Event triggers

Send campaigns based on as many profile attributes, events, or actions as you need.

Reverse ETL

Keep your data in sync with native reverse ETL support for data warehouses like Snowflake and Big Query.

Ad audience sync

Automatically keep your segments in sync with Google, Facebook, Instagram, and YouTube ad networks.

Custom objects

Enhance message precision with data like companies people work for, courses they've taken, or properties they own.

Unlimited sources & destinations

From data warehouses to analytics tools, confidently connect to the databases and applications you use every day.

A platform you can trust

Designed to help you scale 

From small startups to publicly traded enterprises with hundreds of millions of users, we built our platform to grow alongside you. Delighting our customers, no matter your role or tech stack in place remains at the heart of every decision we make.

Klar

monthly multi-channel messages

increase in first transactions

improvement in late payments

Klar

There’s nothing this platform can’t accomplish for you. Customer.io has been the perfect messaging platform for our team every step of the way. We loved it as a small team, and it’s stayed perfect for us along our path of continuous growth.

Diego Schocher
Diego SchocherBusiness Architect
Livestorm

increase in monthly G2 reviews

conversion rate for billing emails

avg. email open rate

Livestorm

It allows us to visualize the whole campaign straightaway, and when it comes to analyzing a campaign by itself, I never need to do that on a workflow separately from Customer.io.

Thibaut Davoult
Thibaut DavoultHead of Growth
Musora

increase in win-back conversions

person-hours saved per week

more real-time data processed

Musora

Customer.io has been an opportunity for us to go in there, recover more money, make it a profit center, and also reduce the amount of manual labor that we had to do.

Randy Epp
Randy EppProduct Director

Scale, flex, and innovate 

Designed for universal usability, our platform minimizes operational overhead, ensuring maximum ROI for brands of all sizes.

Platform uptime

Customer satisfaction score

Daily API calls

Messages sent in 2023

Webhooks sent in 2023

Global support coverage

Users love us

You’re in good company

Trusted by brands across industries, geographies, and sizes, including those servicing both B2B and B2C markets.

Integrates with your tools

Integrates with your tools

Seamlessly connect the databases and applications you rely on to scale your business.

Security you can trust

Security you can trust

As a data company, we understand the importance of keeping your company’s data secure.

  • GDPR, HIPAA, SOC 2 Type II, and CCPA compliant.

  • Choose between an EU or US data residency.

Supercharge your
 messaging automation 

  • 14-day free trial
  • No credit card required
  • Cancel anytime