API REFERENCE

Decrease Authorization

YabandPay documentation·Updated Oct 26, 2026

Parameter	Type	Description	Required
user	String	Cashier account UID	Required
sign	String	Signature	Required
method	String	v3.PreauthDecrement	Required
time	Long	Timestamp	Required

Parameters

Parameter	Type	Description	Required
trade_id	String	trade_id of the authorization to decrease	Required
amount	String	Numeric amount. For example, € 24.99 must be written as 24.99	Required
currency	String	ISO 4217 currency code, such as EUR or CHF	Required
description	String	Order description	Required
notify_url	String	Asynchronous notification URL after payment completion	Required
request_id	String	Unique request id; at least 24 alphanumeric characters are recommended	Required

Signature example:

Sorted parameters concatenated into a URL-style query string

"amount=0.1&currency=EUR&description=test&method=v3.PreauthDecrement&notify_url=https://www.yabandpay.com/notify&request_id=skc5vtsovtetqe09us0jdrqm1vjdeaki&time=1774246236&trade_id=9222e0e1-6ef5-639f-3692-90f1e2a33e68&user=YOUR_CASHIER_UID"

Sign stringA using secret_key

The resulting signature is:

"YOUR_SIGNATURE"

Request example:


{
    "user": "YOUR_CASHIER_UID",
    "sign": "YOUR_SIGNATURE",
    "method": "v3.PreauthDecrement",
    "time": 1774246236,
    "data": {
        "description": "test",
        "trade_id": "9222e0e1-6ef5-639f-3692-90f1e2a33e68",
        "amount": "0.1",
        "currency": "EUR",
        "notify_url": "https://www.yabandpay.com/notify",
        "request_id": "skc5vtsovtetqe09us0jdrqm1vjdeaki"
    }
}

Response example:

{
  "status": true,
  "code": "200",
  "data": {
    "order_id": "YOUR_ORDER_ID",
    "trade_id": "160899f3-f6d9-a8d8-ab5b-82eacdab9c5b",
    "amount": "1",
    "currency": "EUR",
    "state": "authorized"
  },
  "message": "",
  "response_id": "202407111550570060848432"
}

Additional information:

Response result:

A successful request returns "status": true.
A failed request returns "status": false.

This API decreases the authorization amount. The result is returned synchronously. The decrease must not exceed the authorization amount.

Response codes:

Status	Code	Message
true	200
false	-1000	Internal error
false	-403	The signature Error
false	-2001	The user not exist
false	-3001	Required field is missing
false	-4118	Incorrect request ID
false	-4024	The original trade ID is incorrect