---
title: "StopNotify"
method: POST
path: "/StopNotify"
tags: ["Transactions"]
---

# StopNotify

`POST /StopNotify`

## Request body

- StopNotifyRequest, nullable — desc
  - `StopSiteId` integer — Indication for Nayax Engine in which Site the transaction originated
  - `MachineId` integer — - Length: 255 - Unique Identifier for the Nayax Machine
  - `HwSerial` string — - Length: 255 - Unique Identifier for the Nayax Device
  - `CardLast4Digits` string, nullable — Payment card's last 4 digits
  - `CardHash` string
  - `CardUid` string, nullable — Payment card's Unique identifier
  - `ServiceStationNumber` string, nullable — - Identifies the Spark Provider’s Point of Interaction number - Will be provided by Nayax when the Nayax Device is configured to support several service points via the Nayax backoffice system

## Response `200`

Success. The stop request was successfully processed.

- StopNotifyResponse, nullable — The response sent by the integrator to Nayax's `StopNotify` request, which indicates whether the card presented can be used to stop a session on the terminal. A `Verdict` of `"Approved"` indicates that the card matches an ongoing session and the flow can proceed.
  - `SparkTransactionId` string, nullable — The Spark session identifier for the matched transaction.
  - `NayaxTransactionId` integer, nullable — The unique ID for the Nayax transaction.
  - `SiteId` integer — The original site ID where the transaction was initiated.
  - `StopSiteId` integer — The site ID where the card was presented to stop the session.
  - `MachineId` integer — The ID of the machine where the card was presented.
  - `HwSerial` string — The serial number of the machine.
  - `MachineAuTime` string, nullable — The local machine timestamp of the authorization in the format `yyyyMMddHHmmssSSS`.
  - `Status` Status — Transaction Status Details
    - `Verdict` string — Status of the request (Approved / Declined)
    - `ErrorCode` integer, nullable — - Conditional - Reason for declined request
    - `ErrorDescription` string, nullable — - Conditional - Length: 255 - Error description
    - `StatusMessage` string, nullable — - Optional - Length: 255 - Transaction status message as free text field

---

[API](https://skmtc.net/nayax/apis/nayax-cortina-api.md) · [All operations](https://skmtc.net/nayax/apis/nayax-cortina-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/nayax/nayax-cortina-api/revisions/421f6f83c257/schema)