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Get Started
Welcome to Customer.io
Quick Start Guide
1. Create your workspace
2. Set up message channels
3. Integrate with Customer.io
4. Add people
5. Send events and make segments
6. Start sending campaigns and workflows
Journeys
Journeys
Getting Started
People
Objects & non-people data
Segmentation
Campaigns & Workflows
Message Channels
Liquid & Personalization
Metrics
Integrations
Data Pipelines
Data Pipelines
Get Started
Sources
Destinations
Accounts & Settings
Accounts & Settings
Account Verification
Billing
Your Account
Workspaces
Privacy & Security
Release notes
Release notes
APIs
Data Pipelines API Reference
Track API Reference
App API Reference
Reporting Webhooks
SDKs
Web
iOS
Android
React Native
Expo Plugin
Flutter
APIs
Data Pipelines API
Journeys
Track API
App API
Reporting Webhooks
SDKs
Web: Data Pipelines
Web: Journeys
iOS
Android
React Native
Expo Plugin
Flutter
Get Started
Welcome to Customer.io
Quick start guide
1. Create your workspace
2. Set up message channels
3. Integrate with Customer.io
4. Add people
5. Send events and make segments
6. Start sending campaigns and workflows
Journeys
Getting Started
People
Objects & non-people data
Segmentation
Campaigns & Workflows
Message Channels
Liquid & Personalization
Metrics
Integrations
Data Pipelines
Get Started
Sources
Destinations
Account & Workspaces
Account Verification
Billing
Your Account
Workspaces
Privacy & Security
Release notes
APIs
Data Pipelines API Reference
Track API Reference
App API Reference
Reporting Webhooks
SDKs
Web: Data Pipelines
Web: Journeys
iOS
Android
React Native
Expo Plugin
Flutter
Region:
US
EU
Overview
Use our Postman collection
Authentication
Track API limits
Customer limits
Object and relationship limits
Track API Event limits
v2 API Limits
Track v2 API
Track v2 Overview
post
Make a single request
post
Send multiple requests
Person Schemas
Identify a person
Delete a person
Send events for a person
Send page events for a person
Send screen events for a person
Add relationships to a person
Remove relationships from a person
Add a person's devices
Delete a person's devices
Merge duplicate people
Suppress a person
Unsuppress a person
Object Schemas
Identify object
Identify an object and relate it to anonymous people
Delete object
Add relationships to an object
Remove relationships from an object
Track v1 API
Track v1 Overview
Web SDK vs Backend Integrations
Client libraries
Account Region
get
Find your account region
Customers
put
Add or update a customer
del
Delete a customer
put
Add or update a customer device
del
Delete a customer device
post
Suppress a customer profile
post
Unsuppress a customer profile
post
Custom unsubscribe handling
post
Merge duplicate people
Events