Create a new outbound webhook for the current account.
The secret is returned only in this response — store it securely.
Request body for creating a webhook.
Destination URL for webhook HTTP POST
1 - 2048Collection name to watch
1 - 100Events to fire on: create, update, delete
1HMAC-SHA256 signing secret (auto-generated if omitted)
100Optional rule expression to conditionally fire webhook
Whether the webhook is active
Optional custom HTTP headers to include in delivery
Successful Response
Webhook creation response — includes secret (shown ONCE only).
Signing secret — save this, it will never be shown again