Reliable infrastructure for your customer data

Use Segment to collect, clean, and control your customer data.

Talk to a product specialist

Loved by the world’s fastest-growing startups

"Segment's Customer Data Infrastructure helps ensure every single part of our organization puts customers first."

Bryan Mahoney, Chief Technology Officer at Glossier

Trusted by the world's leading enterprises

"Segment allows us to smoothly handle the disparate datasets we use. With real-time integrated data flows, we can truly understand what people are doing with our platform."

Nic Sauriol, Software Development Leader at IBM

Customer-obsessed companies need CDI

To serve your customers best, your product, analytics, and marketing teams need access to trustworthy data without the high engineering costs. Enter Segment’s Customer Data Infrastructure (CDI).


Save time writing integration code and implement your martech stack quickly with a single API for customer data integration.

More about Connections →


Protect the integrity of your data and the decisions you make with it using tools for data quality and governance.

More about Protocols →


Unify user history across different channels, then synthesize raw data into traits and audiences for real-time personalization.

More about Personas →

Integrations to empower every team

Over 200 Sources and Destinations empower your team to use their favorite tools to personalize campaigns, analyze product usage, and more.

  • Popular
  • A/B Testing
  • Advertising
  • Analytics
  • Attribution
  • CRMs
  • Customer Success
  • Email Marketing
  • Live Chat
  • Raw Data
  • SMS & Push Notifications
  • Surveys
  • Warehouses
Explore the full catalog

Developers love Segment

Integrate Segment once, get access to all the tools, build the best apps.

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Simple API
Simple API

Integrate once with Segment and you’re done! Marketers can use the Segment dashboard to funnel all the collected data to the tools they use without having to file a task.

Simple API

Fault tolerant libraries batch and retry messages so you never lose any data. And with only one SDK to test, you dramatically reduce the surface area of third-party bugs in your apps.

Simple API

Get started quickly, test your integration with the live debugger, and get back to building your apps and sites.

Simple API
Open Source

Open source SDKs enable you to see exactly how data is collected, translated, and delivered.

Getting started is easy

Be up and running in minutes.

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