---
url: >-
  https://acquirer-api-docs-v4-en.pingpongx.com/en/notes/notify/bindNotify/APM/accTokenCancelMerchantUser/index.md
description: >-
  The user cancellation of subscription notification interface from wallet side
  is used to receive notifications when users cancel their subscription status
  with merchants. It is suitable for scenarios that require real-time updates of
  user subscription status, ensuring system data consistency. This interface
  sends notifications asynchronously, including key parameters such as user
  identifier and merchant number.
---
# User Cancellation of Subscription Notification from Wallet Side

```apidef
endpoint: POST tokenization.apm.accTokenCancelMerchantUser
name: User Cancellation of Subscription Notification from Wallet Side
summary: User-initiated APM cancellation webhook
variant: APM
tags: Notify, Tokenization, APM
```

The user cancellation of subscription notification interface from wallet side is used to receive notifications when users cancel their subscription status with merchants. It is suitable for scenarios that require real-time updates of user subscription status, ensuring system data consistency. This interface sends notifications asynchronously, including key parameters such as user identifier and merchant number.

## Request Parameters

| Parameter | Type | Required | Description |
|--------|------|------|------|
| accId | string | M | PingPong Store Number |
| clientId | string | M | PingPong Merchant Number |
| sign | string | M | Signature |
| signType | string | M | Signature convention, supports MD5, SHA256, for details see the Signature Convention: /en/notes/guide/sign/ section in this article, all parameters participate in the signature |
| bizContent | string | M | Response parameters are passed as a whole, with no limit on length |
| └─ notifyType | string | M | Notification Type |
| └─ payMethod | string | M | Payment Method |
| └─ merchantUserId | string | M | User ID |
| └─ token | string | M | Authorization Token |

### Request Example

```json
{
  "clientId": "2024031805505590159",
  "bizContent": "{\"notifyType\":\"ACCESS_TOKEN_CANCEL_OF_MERCHANT_USER\",\"payMethod\":\"Alipay\",\"merchantUserId\":\"1102190\",\"token\":\"21b2537121b9137bcf155fceba84d48a0e91d6ba4674519912b9e7237b9b6dd7\"}",
  "accId": "2024031805505590159628",
  "sign": "KDSD974023128A02AA0D01KWXSCAD002F416AB44321DB4D7F8A5B8B042LS1S",
  "signType": "SHA256"
}
```