appId

Y

Y

string

64

AppId is uniqle for merchant

sign

N

Y

string

256

signature

merchantOrderNo

Y

Y

string

64

Customer transaction ID

orderAmount

Y

Y

string

64

Order amount (amount unit: cent)

payCurrency

Y

Y

string

64

Currency of payment (EUR / USD)

userId

Y

Y

string

128

UserId is uniqle for user (email / phone number)

paymentExchange

Y

N

string

512

Exchange Code and Wallet Code

• Preconditions: Payment method has been configured with exchange _method/ wallet method

1. Specify the exchange/ wallet, multiple transfers are acceptable
2. Users can only use the specified exchange/wallet to pay under the exchange payment/wallet payment method by sending this parameter

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

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

paymentNetworks

N

N

string

32

Specify payment network(separated by comma)

orderModel

N

N

string

32

Order mode (ORDER/RECHARGE) capital letter required

tgModel

N

N

string

32

Telegram front-end display mode: BROWSER/MINIAPP/BOT
If this parameter is not passed, will default to the web version.

BROWSER

Browser Mode

webUrl payment http address

redirectURL:
Redirect to Merchant address after payment completed

MINIAPP

Pop-up mode

webUrl payment http address

redirectURL:
Directly close the pop-up

BOT

Jump to payment bot mode

webUrl payment bot address

redirectURL:
Redirect to Merchant bot address after payment completed