NICE Payments

NICE Payments payment window integration guideNICE

1. Configure NICE Payments PG settings

Refer to the NICE Payments settings page to configure the PG settings.

2. Request payment

To open the payment window, call JavaScript SDK IMP.request_pay(param, callback).

In PC browsers, callback is invoked after calling IMP.request_pay(param, callback). In mobile browsers, the page is redirected to m_redirect_url .

Javascript SDK
IMP.request_pay( { pg: "nice", pay_method: "card", merchant_uid: "{Merchant created Order ID}", // Example: order_no_0001 name: "Order name: Test payment request", amount: 14000, buyer_email: "", buyer_name: "John Doe", buyer_tel: "010-1234-5678", buyer_addr: "Shinsa-dong, Gangnam-gu, Seoul", buyer_postcode: "123-456", m_redirect_url: "{Mobile only - URL to redirect to after payment approval}", // Example: niceMobileV2: true, // Set to 'true' to enable new mobile version }, function (rsp) { // callback logic //* ...Omitted... *// }, );

Key parameter description

pg * string

PG code

  • If not specified and this is the only PG setting that exists, default PG is automatically set.
  • If there are multiple PG settings, set to nice.

pay_method * string

Payment method code

Payment method codes

  • card (credit card)
  • trans(instant account transfer)
  • vbank(virtual account)
  • samsung(Samsung Pay)
  • phone(mobile micropayment)
  • kakaopay(Kakao Pay)
  • payco ( PAYCO hub-type)
  • naverpay (Naver Pay)

merchant_uid * string

Order ID

Must be unique for each request.

amount * integer

Payment amount

Must be an integer (not string).

niceMobileV2 boolean

Option to enable new NICE mobile version (default: false)

escrow boolean

Ecrow option

3. Additional functions

{ "display": { "card_quota": [6] // Display up to 6 months installment plans } }


  • card_quota :
    • []: Only immediate pay
    • 2,3,4,5,6: immediate, 2, 3, 4, 5, 6 month installment plans

Installment plan option is available only for KRW 50,000 or more.