DATA-DRIVEN SEGMENTATION
Strategically group audiences
Discover why ActiveCampaign customers are switching to Customer.io for a superior customer engagement platform. Create data-driven push, email, SMS, in-app, and webhook campaigns within a single workflow. Set up event triggers based on user interactions and deliver relevant content to leads and customers. Our data-first approach allows you to easily access and utilize your data without limits.
Trusted by 8,000+ brands
Not interested in a demo? Sign up for a free trial
DATA-DRIVEN SEGMENTATION
Strategically group audiences
Discover why ActiveCampaign customers are switching to Customer.io for a superior customer engagement platform. Create data-driven push, email, SMS, in-app, and webhook campaigns within a single workflow. Set up event triggers based on user interactions and deliver relevant content to leads and customers. Our data-first approach allows you to easily access and utilize your data without limits.
Trusted by 8,000+ brands
Not interested in a demo? Sign up for a free trial
DATA-DRIVEN SEGMENTATION
Strategically group audiences
Discover why ActiveCampaign customers are switching to Customer.io for a superior customer engagement platform. Create data-driven push, email, SMS, in-app, and webhook campaigns within a single workflow. Set up event triggers based on user interactions and deliver relevant content to leads and customers. Our data-first approach allows you to easily access and utilize your data without limits.
Trusted by 8,000+ brands
Not interested in a demo? Sign up for a free trial
Key Differentiators
How Customer.io wins
Remove limits on segmentation by using real-time customer data and unlimited behavioral conditions for recipient lists, campaign triggers, filters, conversion goals, and more.

Flexible building experience
Group people by personal attributes, pages they view, what they do in your product, or any other data you send to Customer.io.
Unified profile view
Gain insights into user behavior with comprehensive event and attribute data, tracking engagements, received messages, and more.
Analyze performance
Monitor your audience metrics and explore how the membership count in your segments changes in real-time.
Key Differentiators
How Customer.io wins
Remove limits on segmentation by using real-time customer data and unlimited behavioral conditions for recipient lists, campaign triggers, filters, conversion goals, and more.
Flexible building experience
Group people by personal attributes, pages they view, what they do in your product, or any other data you send to Customer.io.
Unified profile view
Gain insights into user behavior with comprehensive event and attribute data, tracking engagements, received messages, and more.
Analyze performance
Monitor your audience metrics and explore how the membership count in your segments changes in real-time.
Key Differentiators
How Customer.io wins
Remove limits on segmentation by using real-time customer data and unlimited behavioral conditions for recipient lists, campaign triggers, filters, conversion goals, and more.

Flexible building experience
Group people by personal attributes, pages they view, what they do in your product, or any other data you send to Customer.io.
Unified profile view
Gain insights into user behavior with comprehensive event and attribute data, tracking engagements, received messages, and more.
Analyze performance
Monitor your audience metrics and explore how the membership count in your segments changes in real-time.
Stand out in the inbox
Content that converts
Craft compelling emails that seamlessly blend text and imagery, unlocking unique engagement possibilities.
Drag-and-drop email builder
Allow non-technical marketers to move quickly with email content creation needs in a familiar and intuitive drag-and-drop environment.

Code from scratch
Gain granular control over your email content with our robust HTML code builder. Develop effective and scalable email design systems.

List automation
Avoid manual CSV uploads—Customer.io syncs lists hourly.

Retargeting ads
Utilize behavioral data to create tailored win-back ads.

Lower CPA
Automatically exclude customers from user acquisition campaigns.

Improve lookalike ad campaign performance
Show your ads to the right people by creating a segment of your most valuable customers and syncing it to your lookalike ad campaign.

Stand out in the inbox
Content that converts
Craft compelling emails that seamlessly blend text and imagery, unlocking unique engagement possibilities.
Drag-and-drop email builder
Allow non-technical marketers to move quickly with email content creation needs in a familiar and intuitive drag-and-drop environment.

Code from scratch
Gain granular control over your email content with our robust HTML code builder. Develop effective and scalable email design systems.

List automation
Avoid manual CSV uploads—Customer.io syncs lists hourly.

Retargeting ads
Utilize behavioral data to create tailored win-back ads.

Lower CPA
Automatically exclude customers from user acquisition campaigns.

Improve lookalike ad campaign performance
Show your ads to the right people by creating a segment of your most valuable customers and syncing it to your lookalike ad campaign.

Stand out in the inbox
Content that converts
Craft compelling emails that seamlessly blend text and imagery, unlocking unique engagement possibilities.
Drag-and-drop email builder
Allow non-technical marketers to move quickly with email content creation needs in a familiar and intuitive drag-and-drop environment.

Code from scratch
Gain granular control over your email content with our robust HTML code builder. Develop effective and scalable email design systems.

List automation
Avoid manual CSV uploads—Customer.io syncs lists hourly.

Retargeting ads
Utilize behavioral data to create tailored win-back ads.

Lower CPA
Automatically exclude customers from user acquisition campaigns.

Improve lookalike ad campaign performance
Show your ads to the right people by creating a segment of your most valuable customers and syncing it to your lookalike ad campaign.

IDENTITY RESOLUTION
Merge customer and lead profiles
Don’t delete and lose valuable historical data. Combine and resolve duplicate profiles.
Set primary and secondary persons
When merging two people, designate the 'primary' profile to be retained and the 'secondary' profile to be removed.
Associate the anonymous with the known
Begin logging events prior to user sign up or log in to personalize messaging and accurately associate events.
Personalize onboarding
Backfill data once an anonymous user becomes an identified user. Leverage that data to customize their first experience with your product.
IDENTITY RESOLUTION
Merge customer and lead profiles
Don’t delete and lose valuable historical data. Combine and resolve duplicate profiles.
Set primary and secondary persons
When merging two people, designate the 'primary' profile to be retained and the 'secondary' profile to be removed.
Associate the anonymous with the known
Begin logging events prior to user sign up or log in to personalize messaging and accurately associate events.
Personalize onboarding
Backfill data once an anonymous user becomes an identified user. Leverage that data to customize their first experience with your product.
Customers love us
Preferred by product-led companies


I’ve worked with many ESPs in my career, and I’ve never seen such robust segmentation and branching logic before. It’s been so critical in setting up our customer communications. Basically, anything is possible with the right logic in Customer.io, which is amazing for a data and analytics-driven team.
Madi Sacks
Director of Lifecycle Marketing


Customer.io’s ad audiences tool is especially beneficial on Facebook where we’re paying for each impression –– it allows us to be much more accurate and efficient with our spend.
Alli Hobbs
Senior Data Manager


The biggest change we’ve made is our audience segmentation. We’re now seeing which audiences are performing well and increasing budgets accordingly, and decreasing spend where we haven’t seen as much success. It’s allowed us to spend more strategically and efficiently.
Kunal Adya
Performance Marketing Manager

Customers love us
Preferred by product-led companies


I’ve worked with many ESPs in my career, and I’ve never seen such robust segmentation and branching logic before. It’s been so critical in setting up our customer communications. Basically, anything is possible with the right logic in Customer.io, which is amazing for a data and analytics-driven team.
Madi Sacks
Director of Lifecycle Marketing


Customer.io’s ad audiences tool is especially beneficial on Facebook where we’re paying for each impression –– it allows us to be much more accurate and efficient with our spend.
Alli Hobbs
Senior Data Manager


The biggest change we’ve made is our audience segmentation. We’re now seeing which audiences are performing well and increasing budgets accordingly, and decreasing spend where we haven’t seen as much success. It’s allowed us to spend more strategically and efficiently.
Kunal Adya
Performance Marketing Manager

Customers love us
Preferred by product-led companies


I’ve worked with many ESPs in my career, and I’ve never seen such robust segmentation and branching logic before. It’s been so critical in setting up our customer communications. Basically, anything is possible with the right logic in Customer.io, which is amazing for a data and analytics-driven team.
Madi Sacks
Director of Lifecycle Marketing


Customer.io’s ad audiences tool is especially beneficial on Facebook where we’re paying for each impression –– it allows us to be much more accurate and efficient with our spend.
Alli Hobbs
Senior Data Manager


The biggest change we’ve made is our audience segmentation. We’re now seeing which audiences are performing well and increasing budgets accordingly, and decreasing spend where we haven’t seen as much success. It’s allowed us to spend more strategically and efficiently.
Kunal Adya
Performance Marketing Manager






