Customer.io Webhooks & Events Overview Implement Customer.io reporting webhook handling: receive real-time delivery events (sent, delivered, opened, clicked, bounced, complained, unsubscribed), verify HMAC-SHA256 signatures, process events reliably with queuing, and stream to a data warehouse. How Reporting Webhooks Work Configure at: Data & Integrations Integrations Reporting Webhooks Prerequisites - Public HTTPS endpoint for webhook receiver - Webhook signing key from Customer.io dashboard - Express or similar HTTP framework Instructions Step 1: Define Webhook Event Types Step 2: Webhook Ha…