appId

Y

Y

string

64

AppId is unique for merchant

sign

N

Y

string

512

Sign

merchantOrderNo

Y

Y

string

64

Merchant order number (must be unique)

amount

Y

Y

string

20

Order amount (unit as fiat currency, 1=1.00) Mexican Peso: MXN (supports two decimal places) Nigerian Naira: NGN (does not retain decimal places)

currency

Y

Y

string

20

Fiat currency (unit of amount)

email

N

Y

string

64

User email

userId

Y

Y

string

64

Email/ Phone number

userIp

Y

Y

string

64

User IP

feeType

Y

Y

string

32

Outer buckle(user afford fee): OUTER_BUCKLE

callbackUrl

Y

Y

string

128

The address receiving order webhook

bankParam

Y

Y

object

1024

Bank account expend parameter

customParam

N

N

object

1024

Custom fields

remark

N

N

string

1024

Remark

bankCode

Y

Y

String

32

Bank code, refers to Bank Transfer Account Form api response

bankName

Y

Y

String

32

Bank name, refers to Bank Transfer Account Form api response

bankAccountNumber

Y

Y

String

32

Bank Account Number (When user Choose NGN Opay, enter phone number, example:7012345678)