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)

1. Go to Customer.io dashboard
2. Navigate to People section
3. Search for "user-123" or "hello@example.com"
4. Verify user profile shows attributes
5. 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.