Customer.io Hello World

Overview

Create a minimal working Customer.io example that identifies a user and triggers an event.

Prerequisites

• Completed customerio-install-auth skill

• Customer.io SDK installed

• Valid Site ID and API Key configured

Instructions

Step 1: Create Basic Integration

Step 2: Run the Example

Step 3: Verify in Dashboard

For detailed implementation code and configurations, load the reference guide: Read(${CLAUDE_SKILL_DIR}/references/implementation-guide.md)

• Go to Customer.io dashboard

• Navigate to People section

• Search for "user-123" or "hello@example.com"

• Verify user profile shows attributes

• Check Activity tab for "hello_world" event

Output

• User created/updated in Customer.io

• Event recorded in user's activity log

• Console output confirming success

Error Handling

Error Cause Solution

401 Unauthorized Invalid credentials Verify Site ID and API Key

400 Bad Request Invalid data format Check attribute names and types

User not found Identify not called Always identify before tracking events

Event not showing Dashboard delay Wait 1-2 minutes and refresh

Examples

Python Hello World

With Anonymous User

Resources

• Identify API

• Track API

Next Steps

After verifying hello world works, proceed to customerio-local-dev-loop to set up your development workflow.