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bKash(BD) Mobile Finance Payment Gateway Flutter Package [Updated]
This is a Flutter package for bKash BD Payment Gateway. This package can be used in flutter project. We created this package while working for a project and thought to release for all so that it helps.
:warning: Please note that, you have to contact with bKash sales team for any kind of dev or production access keys or tokens. We don't provide any test account or access keys or don't contact us for such
Check the package in github and also available in flutter/dart package
How to use:
Depend on it, Run this command With Flutter:
$ flutter pub add flutter_bkash
This will add a line like this to your package's pubspec.yaml (and run an implicit flutter pub get):
dependencies:
flutter_bkash: ^0.2.0
Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more. Import it, Now in your Dart code, you can use:
import 'package:flutter_bkash/flutter_bkash.dart';
Features
- Pay using bKash without an agreement
- Create a bKash agreement for future payments
- Pay using bKash with an agreement
Usage
Official Link for API documentation and demo checkout
Initialize the FlutterBkash instance:
Sandbox
final flutterBkash = FlutterBkash();
Production
final flutterBkash = FlutterBkash(
credentials: BkashCredentials(
username: "app_username",
password: "app_password",
appKey: "app_key",
appSecret: "app_secret",
isSandbox: false,
),
);
Make sure to replace the provided credentials with your own bKash sandbox or production credentials depending on your development environment.
Pay without Agreement
To make a payment without an agreement, use the pay method:
Request
final result = await flutterBkash.pay(
context: context, // BuildContext context
amount: 100.0, // amount as double
merchantInvoiceNumber: "invoice123",
);
Response
BkashPaymentResponse(
trxId: AFI60BAC94,
payerReference: ,
paymentId: TR0011fd4uZMS1687062024354,
customerMsisdn: 01877722345,
merchantInvoiceNumber: tranId,
_executeTime: 2023-06-18T10:22:31:623 GMT+0600
)
Create Agreement
To create a new agreement, use the createAgreement method:
Request
final result = await flutterBkash.createAgreement(context: context);
Response
BkashAgreementResponse(
payerReference: ,
paymentId: TR0000RCHQGmX1687063332607,
customerMsisdn: 01877722345,
agreementId: TokenizedMerchant02P1AIJ7G1687063381235,
_executeTime: 2023-06-18T10:43:01:235 GMT+0600
)
Pay with Agreement
To make a payment with an existing agreement, use the payWithAgreement method:
Request
final result = await flutterBkash.payWithAgreement(
context: context, // BuildContext context
amount: 100.0, // type as double
agreementId: "agreement123",
merchantInvoiceNumber: "invoice123",
);
Response
BkashPaymentResponse(
trxId: AFI60BAC94,
payerReference: ,
paymentId: TR0011fd4uZMS1687062024354,
customerMsisdn: 01877722345,
merchantInvoiceNumber: tranId,
_executeTime: 2023-06-18T10:22:31:623 GMT+0600
)
Error Handling
The methods mentioned above may throw a BkashFailure exception in case of an error. You can catch and handle the exception using a try-catch block:
try {
// Make a payment or create an agreement
} on BkashFailure catch (e) {
// Handle the error
print(e.message);
}
Examples for see the /example folder.
Here is the example code link
Example Video Demo link
Importance Notes
- Read the comments in the example of code
- See the documents and demo checkout bKash API Specifications, bKash Payment Checkout Demo
Contributing
Core Maintainer
Contributions to the flutter_bkash package are welcome. Please note the following guidelines before submitting your pull request.
- Follow Effective Dart: Style coding standards.
- Read bKash API documentations first.Please contact with bKash for their api documentation and sandbox access.
License
flutter_bkash package is licensed under the BSD 3-Clause License.