appId

Y

Y

string

64

AppId is unique for merchant

sign

N

Y

string

256

Sign Check on About the sign

merchantOrderNo

Y

Y

string

64

Only number of customer transaction ID

orderAmount

Y

Y

string

64

Order amount (amount unit: dollar) example: 1=1.00

payCurrency

Y

Y

string

64

Currency of payment (EUR / USD)

userId

Y

Y

string

128

UserId is unique for user (email / phone number)

paymentTokens

Y

N

string

128

1. Specify payment token, multiple tokens can be transferred
2. After transfer, users can only use the listed tokens for payment
3. Must be included in the merchant configuration token table
4. Will work on both coin payment and exchange Check supported token

redirectURL

N

N

string

512

The redirection address after the successful purchase

callbackURL

N

N

string

512

The address receiving order webhook

customParam

N

N

string

512

Merchant custom parameters

expiredTime

N

N

string

32

Time of expire (second)

payType

N

N

string

32

Type of payment, check on Pay Type

paymentNetworks

N

N

string

32

Specify payment network(separated by comma)
Check supported token

orderModel

N

N

string

32

Order mode (ORDER/RECHARGE) capital letter required

ORDER: order mode order would related to order amount strictly, order fails when user payment amount lower than order amount.
RECHARGE: recharge mode order would count as success when received user token.And mark the payment amount as final result.

paymentExchange

Y

N

string

512

Payment method require configuration exchange method/ wallet method.
Specify the exchange/ wallet, multiple transfers are acceptable. Users can only use the specified exchange/wallet to pay under the exchange payment/wallet payment method by sending this parameter. Check on Exchange codes and Wallet codes