Bkash Payment Gateway for PHP/Laravel Framework

Features

This is a php/laravel wrapper package for Bkash

Requirements

• PHP >=7.4
• Laravel >= 6

Installation

composer require karim007/laravel-bkash-tokenize

Examples

For video tutorial click the image bellow or https://youtu.be/xue4EP5et58

vendor publish (config)

php artisan vendor:publish --provider="Karim007\LaravelBkashTokenize\BkashTokenizeServiceProvider" --tag="config"

After publish config file setup your credential. you can see this in your config directory bkash.php file

"sandbox"         => env("BKASH_SANDBOX", true),

"bkash_app_key"     => env("BKASH_APP_KEY", ""),
"bkash_app_secret" => env("BKASH_APP_SECRET", ""),
"bkash_username"      => env("BKASH_USERNAME", ""),
"bkash_password"     => env("BKASH_PASSWORD", ""),

"bkash_app_key_2"     => env("BKASH_APP_KEY_2", ""),
"bkash_app_secret_2" => env("BKASH_APP_SECRET_2", ""),
"bkash_username_2"      => env("BKASH_USERNAME_2", ""),
"bkash_password_2"     => env("BKASH_PASSWORD_2", ""),

//so on ...

"callbackURL"     => env("BKASH_CALLBACK_URL", "http://127.0.0.1:8000/bkash/callback"),
'timezone'        => 'Asia/Dhaka', 

Set .env configuration

BKASH_SANDBOX=true  #for production use false

BKASH_APP_KEY=""
BKASH_APP_SECRET=""
BKASH_USERNAME=""
BKASH_PASSWORD=""

#for multi account
BKASH_APP_KEY_2=""
BKASH_APP_SECRET_2=""
BKASH_USERNAME_2=""
BKASH_PASSWORD_2=""

#so on just use _number likes _3, _4, _5

BKASH_CALLBACK_URL=""

Usage

1. publish a controller

php artisan vendor:publish --provider="Karim007\LaravelBkashTokenize\BkashTokenizeServiceProvider" --tag="controllers"

2. you can override the routes

Route::group(['middleware' => ['web']], function () {
    // Payment Routes for bKash
    Route::get('/bkash/payment', [App\Http\Controllers\BkashTokenizePaymentController::class,'index']);
    Route::get('/bkash/create-payment', [App\Http\Controllers\BkashTokenizePaymentController::class,'createPayment'])->name('bkash-create-payment');
    Route::get('/bkash/callback', [App\Http\Controllers\BkashTokenizePaymentController::class,'callBack'])->name('bkash-callBack');

    //search payment
    Route::get('/bkash/search/{trxID}', [App\Http\Controllers\BkashTokenizePaymentController::class,'searchTnx'])->name('bkash-serach');

    //refund payment routes
    Route::get('/bkash/refund', [App\Http\Controllers\BkashTokenizePaymentController::class,'refund'])->name('bkash-refund');
    Route::get('/bkash/refund/status', [App\Http\Controllers\BkashTokenizePaymentController::class,'refundStatus'])->name('bkash-refund-status');

});

3. payment page

you will find it App\Http\Controllers\BkashTokenizePaymentController

public function index()
{
    return view('bkashT::bkash-payment');
}

4. create payment

public function createPayment(Request $request)
    {
        $inv = uniqid();
        $request['intent'] = 'sale';
        $request['mode'] = '0011';
        $request['payerReference'] = $inv;
        $request['currency'] = 'BDT';
        $request['amount'] = 100;
        $request['merchantInvoiceNumber'] = $inv;
        $request['callbackURL'] = config("bkash.callbackURL");;

        $request_data_json = json_encode($request->all());

        $response =  BkashPaymentTokenize::cPayment($request_data_json);
        //$response =  BkashPaymentTokenize::cPayment($request_data_json,1); //last parameter is your account number for multi account its like, 1,2,3,4,cont.. default param is 1

        //store paymentID and your account number for matching in callback request
        // dd($response) //if you are using sandbox and not submit info to bkash use it for 1 response


        if (isset($response['bkashURL'])) return redirect()->away($response['bkashURL']);
        else return redirect()->back()->with('error-alert2', $response['statusMessage']);
    }

###create payment response

5. callback function

public function callBack(Request $request)
    {
        //callback request params
        // paymentID=your_payment_id&status=success&apiVersion=1.2.0-beta
        //using paymentID find the account number for sending params

        if ($request->status == 'success'){
            $response = BkashPaymentTokenize::executePayment($request->paymentID);
            //$response = BkashPaymentTokenize::executePayment($request->paymentID, 1); //last parameter is your account number for multi account its like, 1,2,3,4,cont..

            if (!$response){
                $response =  BkashPaymentTokenize::queryPayment($request->paymentID);
                //$response = BkashPaymentTokenize::queryPayment($request->paymentID,1); //last parameter is your account number for multi account its like, 1,2,3,4,cont..

            }
            if (isset($response['statusCode']) && $response['statusCode'] == "0000" && $response['transactionStatus'] == "Completed") {
                /*
                 * for refund need to store
                 * paymentID and trxID
                 * */
                return BkashPaymentTokenize::success('Thank you for your payment', $response['trxID']);
            }
            return BkashPaymentTokenize::failure($response['statusMessage']);
        }else if ($request->status == 'cancel'){
            return BkashPaymentTokenize::cancel('Your payment is canceled');
        }else{
            return BkashPaymentTokenize::failure('Your transaction is failed');
        }
    }

5. execute payment response

{
   "statusCode":"0000",
   "statusMessage":"Successful",
   "paymentID":"your_payment_id",
   "payerReference":"your_ref_id",
   "customerMsisdn":"customer_msi",
   "trxID":"your_tnx_id",
   "amount":"100",
   "transactionStatus":"Completed",
   "paymentExecuteTime":"2023-01-23T02:04:05:736 GMT+0600",
   "currency":"BDT",
   "intent":"sale"
}

6. query payment response

{
    "paymentID":"your_payment_id",
   "mode":"0011",
   "paymentCreateTime":"2023-01-23T02:01:06:713 GMT+0600",
   "paymentExecuteTime":"2023-01-23T02:04:05:736 GMT+0600",
   "amount":"100",
   "currency":"BDT",
   "intent":"sale",
   "merchantInvoice":"merchant_inv_no",
   "trxID":"tnx_no",
   "transactionStatus":"Completed",
   "verificationStatus":"Complete",
   "statusCode":"0000",
   "statusMessage":"Successful",
   "payerReference":"pay_ref"
}

7. search transaction

public function searchTnx($trxID)
{
    //response
    /*{
        "trxID":"tnx_no",
       "initiationTime":"2023-01-23T12:06:05:000 GMT+0600",
       "completedTime":"2023-01-23T12:06:05:000 GMT+0600",
       "transactionType":"bKash Tokenized Checkout via API",
       "customerMsisdn":"customer_msi",
       "transactionStatus":"Completed",
       "amount":"20",
       "currency":"BDT",
       "organizationShortCode":"og_short_code",
       "statusCode":"0000",
       "statusMessage":"Successful"
    }*/
    return BkashPaymentTokenize::searchTransaction($trxID);
    //return BkashPaymentTokenize::searchTransaction($trxID,1); //last parameter is your account number for multi account its like, 1,2,3,4,cont..

}

8. refund transaction

public function refund(Request $request)
    {
        $paymentID='paymentID';
        $trxID='trxID';
        $amount=5;
        $reason='this is test reason';
        $sku='abc';
        //response
        /*{
            "statusCode":"0000",
           "statusMessage":"Successful",
           "originalTrxID":"or_tnx_no",
           "refundTrxID":"refund_tnx",
           "transactionStatus":"Completed",
           "amount":"5",
           "currency":"BDT",
           "charge":"0.00",
           "completedTime":"2023-01-23T15:53:29:120 GMT+0600"
        }*/
        return BkashRefundTokenize::refund($paymentID,$trxID,$amount,$reason,$sku);
        //return BkashRefundTokenize::refund($paymentID,$trxID,$amount,$reason,$sku, 1); //last parameter is your account number for multi account its like, 1,2,3,4,cont..

    }

9. refund status check

public function refundStatus(Request $request)
    {
        $paymentID='paymentID';
        $trxID='trxID';
        /*{
            "statusCode":"0000",
           "statusMessage":"Successful",
           "originalTrxID":"ori_tx",
           "refundTrxID":"ref_tx",
           "transactionStatus":"Completed",
           "amount":"5",
           "currency":"BDT",
           "charge":"0.00",
           "completedTime":"2023-01-23T15:53:29:120 GMT+0600"
        }*/
        return BkashRefundTokenize::refundStatus($paymentID,$trxID);
        //return BkashRefundTokenize::refundStatus($paymentID,$trxID, 1); //last parameter is your account number for multi account its like, 1,2,3,4,cont..

    }

N.B. If you are using single account dont need to think about account parameter ignore it just simply use as usal

Required APIs

0. Developer Portal (detail Product, workflow, API information): https://developer.bka.sh/docs/checkout-process-overview
1. Grant Token : https://developer.bka.sh/v1.2.0-beta/reference#gettokenusingpost
2. Create Payment : https://developer.bka.sh/v1.2.0-beta/reference#createpaymentusingpost
3. Execute Payment : https://developer.bka.sh/v1.2.0-beta/reference#executepaymentusingpost
4. Query Payment : https://developer.bka.sh/v1.2.0-beta/reference#querypaymentusingget
5. Search Transaction Details : https://developer.bka.sh/v1.2.0-beta/reference#searchtransactionusingget

Checkout Demo

1. Go to https://merchantdemo.sandbox.bka.sh/frontend/checkout/version/1.2.0-beta
2. Wallet Number: 01770618575
3. OTP: 123456
4. Pin: 12121

Contributions to the Bkash Payment Gateway package are welcome. Please note the following guidelines before submitting your pull request.

• Follow PSR-4 coding standards.
• Read bkash API documentations first. Please contact with bkash for their api documentation and sandbox access.

License

This repository is licensed under the MIT License.

Copyright 2022 md abdul karim. We are not affiliated with bkash and don't give any guarantee.