UPI Connect

upi_connect is a Flutter plugin designed to execute UPI transactions seamlessly using an intent URL on Android devices. This plugin supports executing UPI transactions with various UPI apps installed on the device and provides a structured response back to the application, enabling easy handling of transaction results.

Table of Contents

• Features
• Installation
• Examples
  • List UPI Apps
  • Make UPI Transaction Using Intent URL
  • Make UPI Transaction by Passing Arguments
• API
  • Methods
  • Response Format
• Platform Support
• Contributing
• Support
• License

---

Features

• Executes UPI transactions using a URL intent on Android.
• Supports handling responses after UPI transactions.
• Currently supports Android only.

Installation

Add upi_connect as a dependency in your pubspec.yaml:

dependencies:
  upi_connect: latest_version

Run the following command:

flutter pub get

Examples

1. List All UPI Apps

Retrieve a list of UPI apps installed on the device.

List<UPIApp> upiApps = await UpiConnect.getAllApps();
upiApps.forEach((app) {
  print("UPI App: ${app.name}, Package: ${app.packageName}");
});

Parameter	Type	Description
name	String	App's name
icon	List<int>	Icon as a list of bytes
packageName	String	Package name for the app

2. Make UPI Transaction Using Intent URL

UPITransaction upiTransaction = UPITransaction.fromUrl(
  upiUrl: "upi://pay?pa=test@ybl&pn=test&am=1.00&tr=1210374251828217008&tn=Getupiapps&cu=INR&mode=04",
  onResponse: (UPITransactionResponse response) {
    _onResult(response.toString());
  },
  upiApp: upiApp,
);
Map? response = await upiTransaction.initiate();
print(response);

Parameter	Type	Description
upiUrl	String	UPI intent URL string
onResponse	Function(UPITransactionResponse)	Callback that receives the UPITransactionResponse
upiApp	UPIApp?	Optional UPI app to initiate the transaction

3. Make UPI Transaction by Passing Required Arguments

UPITransaction upiTransaction = UPITransaction(
  amount: 50.0,
  receiverName: "TestUser",
  receiverUpiId: "test@ybl",
  transactionId: "1234567890",
  transactionNote: "Test Transaction",
  onResponse: (UPITransactionResponse response) {
    _onResult(response.toString());
  },
  upiApp: upiApp,
);
Map? response = await upiTransaction.initiate();
print(response);

Parameter	Type	Description
amount	double	Transaction amount
receiverName	String	Receiver's name
receiverUpiId	String	UPI ID of the receiver
transactionId	String	Unique ID for the transaction
transactionNote	String	Optional note for the transaction
onResponse	Function(UPITransactionResponse)	Callback that receives the UPITransactionResponse
upiApp	UPIApp?	Optional UPI app to initiate the transaction

The upiTransaction.initiate() method returns a Map? as the response from the native layer. The response contains a key named status, which indicates the result of the transaction initiation:

• "SUCCESS": The transaction was successfully initiated.
• "ERROR": The transaction initiation failed.

API

Methods

UpiConnect.getAllApps()

Returns a list of installed UPI apps.

UPITransaction.fromUrl

Initializes a UPI transaction using a UPI intent URL.

UPITransaction

Configures a UPI transaction with specified parameters.

Response Format

The UPITransactionResponse model includes:

Field	Type	Description
transactionId	String	Transaction's unique ID
responseCode	String	Code for the transaction's result
referenceId	String	Reference ID of the transaction
status	TRANSACTIONSTATUS	Transaction status (success, failure, other)
statusMessage	String	Message describing the transaction result
rawResponse	dynamic	Original response from the UPI app

Status Enum

• TRANSACTIONSTATUS.success: Successful transaction.
• TRANSACTIONSTATUS.failure: Failed transaction.
• TRANSACTIONSTATUS.other: No response or unknown status.

Platform Support

• Android: Supported
• iOS: Not supported yet

Contributing

Feel free to submit issues and pull requests! Contributions help improve this plugin's functionality.

Support

For questions, open an issue or reach out directly.

License

This project is licensed under the MIT License - see the LICENSE file for details.