Triggered when an email bounces (hard bounce).
A bounce occurs when the recipient’s mail server explicitly rejects the email and sends back a bounce notification. This is typically due to:
Important: Bounced addresses are automatically added to your suppression list to protect your sender reputation.
Use your API key from arkhq.io/org/credentials
Authorization: Bearer YOUR_API_KEYWebhook event payload sent to your configured endpoint
The type of event that occurred
MessageSent, MessageDelayed, MessageDeliveryFailed, MessageBounced, MessageHeld, MessageLoaded, MessageLinkClicked, DomainDNSError "MessageSent"
Unix timestamp when the event occurred
1704672000
Event-specific data
Webhook received successfully