Welcome to Customer.io

Quick start guide

Academy: structured learning

1. Create your workspace

2. Set up message channels

3. Integrate with Customer.io

4. Add profiles

5. Send events and make segments

6. Start sending automations and workflows

Use Customer.io with AI

Your Customer.io agent

Customer.io CLI

Customer.io MCP

Email content analysis

In-app message suggestions

In-app survey analysis

Use our docs with AI

Introduction to messaging

Profiles & events

Objects & non-people data

Message channels

Liquid & personalization

Integration directory

Quick start guide Understanding integrations in Customer.io Troubleshooting Data compliance and privacy

Introduction Source specs Custom events Semantic events Backfill historical data Proxying requests to Customer.io Connections

Getting started Add a data-out integration Actions Action triggers: code mode Database/warehouse integrations Filtering and mapping actions Resend past data Connections

Pipelines API Track API App API Reporting Webhooks Comparing the Pipelines and Track APIs

iOS Android React Native Expo Flutter

Settings & Billing

Account verification

Tasks: workspace performance

Privacy & security

Troubleshooting

✨ Latest features

Support in-app messages for multiple mobile apps in the same workspace Aug 21, 2026

If you have multiple mobile apps with overlapping audiences, you can support both apps in the same workspace. When you send an in-app message, you can…

Use Customer.io AI in Slack Aug 18, 2026

The Customer.io AI agent now works in Slack. You can @Customer.io in a thread to ask it questions about your data and workspace. Or you can message…

Design Studio: new and improved canvas editing experience Aug 14, 2026

Edit your components more intuitively with slash commands to add blocks, shortcuts to navigate and resize elements, and the ability to click and drag…

View all releases →

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Release notes › Use Customer.io and Segment.com together in your website

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Releases

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← Release Notes

Use Customer.io and Segment.com together in your website

February 3, 2025 Data / Integrations

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