Customer.io

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1,013 reviews
  • 1 profiles
  • 8 categories
Average star rating
4.4
#1 in 3 categories
Grid® leader
Serving customers since
2012
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Customer.io Reviews

Review Filters
Profile Name
Star Rating
653
312
33
6
9
Mykola D.
MD
Mykola D.
Head of GrowthSmall-Business (50 or fewer emp.)
10/27/2026
Validated Reviewer
Verified Current User
Review source: Seller invite
Incentivized Review

Simple API Setup and Easy Email Templates That Save Time

Sending events and user attributes through their API was simple, and our developers had it running quickly without a lot of custom work. Once the data was flowing, we could trigger messages from real user actions right away. Building email templates is also really easy. We can create and edit templates ourselves and reuse them across campaigns without going back to a developer every time, which saves our team a lot of time.
Maria M.
MM
Maria M.
Growth ManagerSmall-Business (50 or fewer emp.)
10/26/2026
Validated Reviewer
Verified Current User
Review source: Seller invite
Incentivized Review

Easy-to-Use Automation, Supercharged by MCP

I like that Customer.io’s MCP is available for Claude. I can use it to set up snippets, campaigns, personalization, timing, and send times, and to read and analyze analytics. Tasks that used to take me a couple of hours now take much less time. I value the behavioral triggers and how easy they are to set up, along with the new nodes, especially SMS and WhatsApp. I also like having everything in one place, with a bird’s-eye view of what customers, racers, and donors go through, and being able to include SMS, WhatsApp, and email in one automation. The simplicity has been very helpful. Compared with similar tools, Customer.io is one of the easiest SaaS tools for me to use.
Verified User in Financial Services
UF
Verified User in Financial Services
Mid-Market (51-1000 emp.)
10/26/2026
Validated Reviewer
Review source: Seller invite
Incentivized Review

Clear Workflow Views and a Fast, AI-Powered Building Experience

Clear workflow views with intuitive tools & resources for someone working at CRM. Good AI agent integrated really helps when you get blocked at building something. Very easy to use with Claude if you connect the MCP, and also very fast interface on most of the times.

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HQ Location:
Portland, OR

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What is Customer.io?

Create personalized customer journeys that engage and convert with our versatile customer engagement platform. Scale, flex, and innovate at your own pace. Because when powered by data, your messages lead to meaningful relationships.Deliver meaningful interactions: Make every message relevant by building unique customer interactions across mobile and web using email, in-app messages, SMS, and push notifications.Designed to help you scale: Manage all your messaging in one place with a platform that seamlessly integrates with the tools you use every day.Data without limits: Put an end to data silos by easily moving real-time data from source to destination and crafting campaigns with unlimited profile attributes, events, or actions.

Details

Year Founded
2012
Website
customer.io