curl --request POST \
  --url https://api.us.vartiq.com/webhook-messages \
  --header 'Content-Type: application/json' \
  --header 'companyid: <companyid>' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "appId": "<string>",
  "webhookId": "<string>",
  "payload": {}
}'

{
  "success": true,
  "message": "<string>",
  "data": {
    "webhookMessage": {
      "id": "<string>",
      "isDelivered": true,
      "payload": "<string>",
      "signature": "<string>",
      "headers": [
        {}
      ],
      "createdAt": "<string>",
      "updatedAt": "<string>"
    },
    "webhookMessageAttempt": {
      "id": "<string>",
      "isProcessed": true,
      "isResend": true,
      "statusCode": 123,
      "response": "<string>",
      "headers": [
        {}
      ],
      "createdAt": "<string>",
      "updatedAt": "<string>"
    }
  }
}