nagad_payment_gateway

Description:

nagad payment gateway

Nagad Online Payment
API Integration Flutter Package


This is a Flutter package for the merchants and service providers that want to
incorporate a new online payment method provided by Nagad.

Note : Get your merchant credentials by contacting Nagad.

Credentials to be provided by Nagad #
final merchantID = "Specific Merchant id"
final merchantPrivateKey = "Merchant Private Key"
final pgPublicKey = "Nagad Payment Gateway public Key"
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Initialize the Nagad instance: #
Create an instance of Credentials and provide it to the Nagad Instance:
Nagad nagad = Nagad(
credentials: const Credentials(
merchantID: merchantID,
merchantPrivateKey: merchantPrivateKey,
pgPublicKey: merchantPrivateKey,
isSandbox: true)); // switch to false for production
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Note: Make sure to replace the provided credentials with your Nagad Sandbox or production credentials.

Set Additional Merchant Info #



Additional Merchant Info Fields
Length
Description




serviceName
25
Service Name Provided by Merchant


serviceLogoURL
1~1024
Publicly accessible logo URL


additionalFieldName EN
20
Additional Field Name to be shown in Payment Page for Locale EN


additionalFieldName BN
20
Additional Field Name to be shown in Payment Page for Locale BN


additionalFieldValue
20
Value of Additional Field in English



Map<String, dynamic> additionalMerchantInfo = {
“serviceName” : “T Shirt”,
“serviceLogoURL” : “tinyurl.com/sampleLogoUrl”,
“additionalFieldNameEN” : “Color”,
“additionalFieldNameBN” : “রং”,
“additionalFieldValue” : “White”
};

nagad.setAdditionalMerchantInfo(additionalMerchantInfo);
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N.B: additionalMerchantInfo must be in Map<String, dynamic> type. Additional Merchant Info can be anything and will be saved for further usage. However only these fields will be shown in the payment page.

Regular Payment #
To make a regular merchant payment, use the pay method:
Request
final nagadResponse = await nagad.regularPayment(context, amount: 10.25, orderId: orderId);
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Parameters #
amount: The amount for payment. Recommended as double.
orderID: This is unique identifier to place order for payment. You can use current millisecondsSinceEpoch for uniqueness.
DateTime now = DateTime.now();
String orderId = 'order${now.millisecondsSinceEpoch}';
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Response
nagadResponse contains:

merchantId
orderId
paymentRefId
amount
clientMobileNo
merchantMobileNo
orderDateTime
issuerPaymentDateTime
issuerPaymentRefNo
additionalMerchantInfo
status
statusCode
cancelIssuerDateTime
cancelIssuerRefNo
serviceType


N.B: Save the required information to your database if needed

License #
nagad_payment_gateway package is licensed under the GNU General Public License (GPL) version 3.0.
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