HMAC-SHA256 signature of the raw request body, formatted as sha256=<hex>. Present when an HMAC secret is configured in your account settings. See Webhook Security for verification details.
"sha256=abc123def456789..."
Always false for this event.
"agent.cancelled"The agent job ID.
Unique identifier for this webhook delivery.
The custom metadata object you provided in the webhook configuration. Echoed back in every delivery.
Return any 2xx status code to acknowledge receipt.