Set up Customer.io SDK and configure authentication credentials for email, push, SMS, and in-app messaging automation.
For detailed implementation code and configurations, load the reference guide:
Read(${CLAUDE_SKILL_DIR}/references/implementation-guide.md)
| Error | Cause | Solution |
|---|---|---|
| Invalid API Key | Incorrect or expired key | Verify key in Customer.io Settings > API Credentials |
| Invalid Site ID | Wrong site identifier | Check Site ID in Customer.io Settings |
| 401 Unauthorized | Authentication failed | Ensure both Site ID and API Key are correct |
| Network Error | Firewall blocking | Ensure outbound HTTPS to track.customer.io allowed |
| Module Not Found | Installation failed | Run npm install or pip install again |
After successful auth, proceed to customerio-hello-world for your first API call.
