# Cancel Subscription

The merchant business system initiates a cancellation of the user subscription relationship via the Cancel Subscription API.

# API Description

API

Request API: /api/subscription/cancel

Request Method: POST

Request Type: application/json or application/x-www-form-urlencoded

# Request Parameters

Field Name Variable Name Required Type Example Value Description
Merchant No mchNo Yes String(30) M1621873433953 Merchant Number
App ID appId Yes String(24) 60cc09bce4b0f1c0b83761c9 App ID
Subscription ID subscriptionId Yes String(32) SUB_20210618164232 Subscription ID
Request Time reqTime Yes long 1622016572190 Request timestamp (13 digits)
API Version version Yes String(3) 1.0 API version, fixed: 1.0
Sign sign Yes String(32) C380BEC2BFD727A4B6845133519F3AD6 Signature value, see signature algorithm
Sign Type signType Yes String(32) MD5 Signature type, currently only supports MD5

# Request Example Data

{
  "mchNo": "M1623984572",
  "appId": "60cc09bce4b0f1c0b83761c9",
  "subscriptionId": "SUB_20210618164232",
  "reqTime": "1622016572190",
  "version": "1.0",
  "signType": "MD5",
  "sign": "84F606FA25A6EC4783BECC08D4FDC681"
}

# Response Parameters

Field Name Variable Name Required Type Example Value Description
Return State code Yes int 0 0-Success, others-Error, see error codes
Return Msg msg No String(128) Signature failed Specific error reason
Sign Info sign No String(32) CCD9083A6DAD9A2DA9F668C3D4517A84 Signature for data
Return Data data No Object {} Returned subscription data

# Data Format (SubscriptionRS)

Field Name Variable Name Type Example Value Description
Subscription ID subscriptionId String SUB_20210618001 Payment system subscription ID
Merchant No mchNo String M1621873433953 Merchant Number
App ID appId String 60cc09bce4b0f1c0b83761c9 App ID
Plan ID planId String PLAN_001 Subscription Plan ID
Plan Code planCode String VIP_MONTH Subscription Plan Code
Subscription cycle cycleIndex integer 1 Subscription cycle
Merchant Order No mchOrderNo String sub1624005107281 Merchant passed order number
State state Byte 3 0-Init, 1-Pending, 2-Active, 3-Paused, 4-Overdue, 5-Canceled, 6-Completed, 7-Invalid
Cancel At Period End cancelAtPeriodEnd Boolean true Whether to cancel at the end of the period
Currency currency String USD Currency
Is Active isActive Boolean false Whether currently valid based on state and time

# Response Example Data

{
  "code": 0,
  "msg": "SUCCESS",
  "data": {
    "subscriptionId": "SUB_20210618001",
    "mchOrderNo": "sub1624005107281",
    "state": 3,
    "cancelAtPeriodEnd": true,
    "isActive": false
  },
  "sign": "F4DA202C516D1F33A12F1E547C5004FD"
}
Last Updated: 1/15/2026, 4:32:20 PM