interaction

Time	Status	User Agent
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Body Params

merchantOrderInfo

object

required

Order information object

validTime

number

5 to 43200

The valid time of LinkPay/Drop-in order.
The Payment Link will expire after 5~43200 minutes (maximum 30 days).
The accepted value is 5 to 43200.
The unit is minute.
Default value: 60 minutes.

returnUrl

string

length ≤ 300

Defaults to https://www.evonetglobal.com

The URL used for redirection after the payment is completed.
For example: HTTPs://www.merchantweb.com
Evonet will add the merchantOrderID and result of the payment after the URL.
Currently the page will only get redirected after the order has been paid, so the result is fixed as success.
For example: HTTPs://www.merchantweb.com?merchantOrderID=123123123123&result=success

webhook

string

length ≤ 300

Defaults to https://6ee8218a-52e4-4b16-8d67-594cdb34bb23.mock.pstmn.io

The webhook URL provided by merchant host to receive the payment result notification after the order has been paid.

transAmount

object

required

Transaction amount object

userInfo

object

required

userInfo Object

paymentMethod

object

allowAvsCheck

boolean

This is to indicate if an AVS (Address Verification Service) check should be performed

Usage Instruction

1. This field is used in POST Payment requests only. If true, Evonet will perform an AVS check for the card transaction.

2. If not present, default value = false, Evonet will skip AVS check.

3. Field Type: Boolean (true / false)

tradeInfo

object

Trade information object.

Headers

Authorization

string

required

Defaults to d5e2c210d2114b1993ee68244ed88fce

Sign key assigned by Evonet.

Content-type

string

required

Defaults to application/json

Specify application/json; charset=utf-8, which means the message body of the request and response must be in the JSON format, and the character encoding is UTF-8. It will be echoed back in the response message.

DateTime

string

required

Defaults to 2026-04-15T15:24:04+08:00

The time when the message is sent. The format follows ISO 8601, which is YYYY-MMDDThh:mm:ssTZD. For example, 2021-05-26T10:08:25+08:00. It will be echoed back in the response message.

KeyID

string

required

Defaults to 630805e2d532478aba9cedb9cea14397

KeyID is a unique key identifier of up to 36 characters that is generated along with the signature key by Evonet.

MsgID

string

An ID for a merchant to trace every API request.
The suggested value is UUID or GUID, such as 2d21a5715c034efb7e0aa383b885fc7a.
It is suggested to specify this value with no more than 32 characters in length.
Evonet will not validate this value and will echo it back in the response message.

SignType

string

required

Defaults to Key-based

Fixed value: Key-based.