Name of the event that triggered the webhook call.
X-Blockpass-Delivery
Unique ID of the webhook api call. This header is used for debug purpose only
X-Hub-Signature
The HMAC hex digest of the request body. This header will be sent if the webhook is configured with a secret key. The HMAC hex digest is generated using the sha256 hash function and the secret as the HMAC key. This header is used for request integrity check.