Customer.ioCustomer.io
Customer.io

Customer.io

Customer engagement platform.

Website
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About

Customer.io is an AI-powered customer engagement platform that helps businesses create personalized journeys and deliver data-powered communication across email, push, in-app, and SMS. It enables companies to manage and personalize customer messages within a unified platform, leveraging first-party data to drive growth and strengthen customer interactions. The platform is trusted by over 9,000 brands worldwide to send data-powered communication and accelerate marketing performance.

Technology stack

detected 2026-06-15
Est. monthly stack spend~$2,080/mo
CDN
Vercel
EmailGoogle Workspace
Hosting
Vercel
Stack
Next.jsTailwind CSS
Analytics
Google Tag Manager
Compliance
HIPAAGDPR
Email marketing
Customer.io
Affiliate
Self-hosted affiliate
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Frequently asked

What does Customer.io do?

Customer.io is an AI-powered customer engagement platform that helps businesses create personalized journeys and deliver data-powered communication across email, push, in-app, and SMS. It enables companies to manage and personalize customer messages within a unified platform, leveraging first-party data to drive growth and strengthen customer interactions. The platform is trusted by over 9,000 brands worldwide to send data-powered communication and accelerate marketing performance.

How much funding has Customer.io raised?

Customer.io has raised a total of $55M in funding. The most recent round on record is Series A.

Where is Customer.io headquartered?

Customer.io is headquartered in Beaverton, United States.

When was Customer.io founded?

Customer.io was founded in 2012.

What industry does Customer.io operate in?

Customer.io operates in Customer Engagement Platform, Marketing Automation, MarTech, SaaS, Customer Data Platform, Email Marketing.

How many employees does Customer.io have?

Customer.io has approximately 514 people on record.