Application for integrating bKash payment gateway.
npm install bkash-paymentA Library to integrate bKash Payment Gateway in your application.
Covered bKash Checkout (URL), With & Without Agreement, Auth & Capture.
``
npm install bkash-payment
`
yarn add bkash-payment
`
const bkashConfig = {
base_url : 'https://tokenized.sandbox.bka.sh/v1.2.0-beta',
username: '01770618567',
password: 'D7DaC<EeG',
app_key: '0vWQuCRGiUX7EPVjQDr0EUAYtc',
app_secret: 'jcUNPBgbcqEDedNKdvE4G1cAK7D3hCjmJccNPZZBq96QIxxwAMEx'
}
`
const bkashConfig = {
base_url : 'https://tokenized.pay.bka.sh/v1.2.0-beta',
username: 'your_bkash_username',
password: 'your_bkash_password',
app_key: 'your_bkash_app_key',
app_secret: 'your_bkash_app_secret'
}
bkashPaymentGateway.js
`
const express = require('express')
const { createPayment, executePayment, queryPayment, searchTransaction, refundTransaction } = require('bkash-payment')
const cors = require('cors')
const bodyParser = require('body-parser')
const app = express()
const port = 3000
// Middleware setup
app.use(cors())
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: true }))
// bKash Credentials setup
const bkashConfig = {
base_url : 'bKash_base_url',
username: 'your_bkash_username',
password: 'your_bkash_password',
app_key: 'your_bkash_app_key',
app_secret: 'your_bkash_app_secret'
}
app.post("/bkash-checkout", async(req, res) => {
try {
const { amount, callbackURL, orderID, reference } = req.body
const paymentDetails = {
amount: amount || 10, // your product price
callbackURL : callbackURL || 'http://127.0.0.1:3000/bkash-callback', // your callback route
orderID : orderID || 'Order_101', // your orderID
reference : reference || '1' // your reference
}
const result = await createPayment(bkashConfig, paymentDetails)
res.send(result)
} catch (e) {
console.log(e)
}
})
app.get("/bkash-callback", async(req, res) => {
try {
const { status, paymentID } = req.query
let result
let response = {
statusCode : '4000',
statusMessage : 'Payment Failed'
}
if(status === 'success') result = await executePayment(bkashConfig, paymentID)
if(result?.transactionStatus === 'Completed'){
// payment success
// insert result in your db
}
if(result) response = {
statusCode : result?.statusCode,
statusMessage : result?.statusMessage
}
// You may use here WebSocket, server-sent events, or other methods to notify your client
res.send(response)
} catch (e) {
console.log(e)
}
})
// Add this route under admin middleware
app.post("/bkash-refund", async (req, res) => {
try {
const { paymentID, trxID, amount } = req.body
const refundDetails = {
paymentID,
trxID,
amount,
}
const result = await refundTransaction(bkashConfig, refundDetails)
res.send(result)
} catch (e) {
console.log(e)
}
})
app.get("/bkash-search", async (req, res) => {
try {
const { trxID } = req.query
const result = await searchTransaction(bkashConfig, trxID)
res.send(result)
} catch (e) {
console.log(e)
}
})
app.get("/bkash-query", async (req, res) => {
try {
const { paymentID } = req.query
const result = await queryPayment(bkashConfig, paymentID)
res.send(result)
} catch (e) {
console.log(e)
}
})
app.listen(port, () =>
console.log(Example app listening at http://127.0.0.1:${port})
)
`
`
const paymentDetails = {
amount: 10, // your product price
callbackURL : 'http://127.0.0.1:3000/callback', // your callback route
orderID : 'Order_101', // your orderID
reference : '1' // your reference
}
const result = await createPayment(bkashConfig, paymentDetails)
`
const result = await executePayment(bkashConfig, paymentID)
`
const result = await queryPayment(bkashConfig, paymentID)
`
const result = await searchTransaction(bkashConfig, trxID)
`
const refundDetails = {
paymentID: "TR101001111",
trxID: "ASFFDDD8G",
amount: 10
}
const result = await refundTransaction(bkashConfig, refundDetails)
const { createAgreement, executeAgreement, cancelAgreement, createPaymentWithAgreement, executePayment, queryPayment, searchTransaction, refundTransaction } = require('bkash-payment')
`
const paymentDetails = {
amount: 10, // your product price
callbackURL : 'http://127.0.0.1:3000/agreement-callback', // your callback route
orderID : 'Order_101', // your orderID
reference : '1' // your reference
}
const result = await createAgreement(bkashConfig, paymentDetails)
`
const result = await executeAgreement(bkashConfig, paymentID)
`
const result = await cancelAgreement(bkashConfig, agreementID)
`
const result = await queryAgreement(bkashConfig, agreementID)
`
const paymentDetails = {
agreementID: "TokenizedMerchant01L3IKB6H1565072174986" // agreementID from executeAgreement API
amount: 10, // your product price
callbackURL : 'http://127.0.0.1:3000/payment-callback', // your callback route
orderID : 'Order_101', // your orderID
reference : '1' // your reference
}
const result = await createPaymentWithAgreement(bkashConfig, paymentDetails)
`
const result = await executePayment(bkashConfig, paymentID)
`
const result = await queryPayment(bkashConfig, paymentID)
`
const result = await searchTransaction(bkashConfig, trxID)
`
const refundDetails = {
paymentID: "TR101001111",
trxID: "ASFFDDD8G",
amount: 10
}
const result = await refundTransaction(bkashConfig, refundDetails)
const { createAuthPayment, executePayment, captureAuthPayment, voidAuthPayment, queryPayment, searchTransaction } = require('bkash-payment')
`
const paymentDetails = {
amount: 10, // your product price
callbackURL : 'http://127.0.0.1:3000/auth-callback', // your callback route
orderID : 'Order_101', // your orderID
reference : '1' // your reference
}
const result = await createAuthPayment(bkashConfig, paymentDetails)
`
const result = await executePayment(bkashConfig, paymentID)
`
const result = await captureAuthPayment(bkashConfig, paymentID)
`
const result = await voidAuthPayment(bkashConfig, paymentID)
`
const result = await queryPayment(bkashConfig, paymentID)
`
const result = await searchTransaction(bkashConfig, trxID)