@payos/node

Step 1: Assure that you have installed the library

With Npm: npm install @payos/node
With Yarn: yarn add @payos/node

Step 2: Import the library and initialize your PayOS

const payOS = require("@payos/node");
    
//You can use import for ES Modules
import payOS from "@payos/node";

const payosApi = new payOS({
    clientId: "",
    apiKey: "",
    checksumKey: "",
});

Don't forget to fill 3 field: clientId, apiKey and checksumKey from your payOS account.

Now, you can use

1. Create Payment Link:

let result = await payosApi.createPaymentLink({
    orderCode: 234234,
    amount: 1000,
    description: "Thanh toan don hang",
    items: [
    {
        name: "Mì tôm hảo hảo ly",
        quantity: 1,
        price: 1000,
    },
    ],
    cancelUrl: "https://your-domain.com",
    returnUrl: "https://your-domain.com",
});

Type:

PaymentLinkType {
    orderCode: number;
    amount: number;
    description: string;
    items: { name: string; quantity: number; price: number }[];
    cancelUrl: string;
    returnUrl: string;
    signature?: string;
    buyerName?: string;
    buyerEmail?: string;
    buyerPhone?: string;
    buyerAddress?: string;
}

2. Get Information of Payment:

let result = await payosApi.getInformationPayment(orderId);

// Example:
let result = await payosApi.getInformationPayment(1234);

Type:

orderId: String | Number

3. Confirm Webhook:

let result = await payosApi.confirmWebhook({ 
        webhookUrl: "https://your-domain.com/payment/payos_transfer_handler"
    });

Type:

{ webhookUrl: String }