{
"base_url" : "https://sbdynamic.pay.bka.sh/v1",
"username" : "your_bkash_provide_username",
"password" : "your_bkash_provide_password",
"app_key" : "your_bkash_provide_app_key",
"app_secret" : "your_bkash_provide_app_secret"
}
Go to 'payment.php' route
Go to 'refund.php' route
Testing Number: 01619777283 , 01877722345, 01823074817
OTP: 123456
PIN: 12121