WebhookPayload

{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "properties": {
        "additional": {
            "type": "string"
        },
        "voucher_id": {
            "type": "string",
            "format": "uuid"
        },
        "price": {
            "type": "string",
            "format": "float"
        },
        "currency": {
            "type": "string"
        },
        "user": {
            "type": "object",
            "properties": {
                "email": {
                    "type": "string",
                    "format": "email"
                }
            }
        },
        "status": {
            "type": "string"
        },
        "created_at": {
            "type": "string",
            "format": "date-time"
        }
    },
    "required": ["additional", "voucher_id", "price", "currency", "user", "status", "created_at"]
}