NTTDATAPAY Flutter
Flutter plugin for integrating NTT DATA Payment Services India in Android and iOS applications.
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Platform Support
✅ Android
✅ iOS
⚠️ Mobile platforms only
This SDK relies on mobile-specific features such as in-app WebView checkout and UPI intent handling.
Other platforms are not supported.
Features
- Secure token generation
- WebView-based checkout
- UPI intent support (GPay, PhonePe, Paytm, Cred, etc.)
- Android & iOS support
- UAT & Production environments
Installation
Add the dependency to your pubspec.yaml:
dependencies:
nttdatapay_flutter: ^1.0.8
Or run:
flutter pub add nttdatapay_flutter
Then fetch dependencies:
flutter pub get
iOS Setup
iOS Configuration (Required for UPI Apps)
iOS blocks app-to-app URL scheme checks by default.
Add the following entries to ios/Runner/Info.plist:
<key>LSApplicationQueriesSchemes</key>
<array>
<string>upi</string>
<string>phonepe</string>
<string>paytmmp</string>
<string>gpay</string>
<string>tez</string>
<string>credpay</string>
</array>
Usage
Import the Package
import 'package:nttdatapay_flutter/nttdatapay_flutter.dart';
Initialize Merchant Configuration
⚠️ Do not hardcode production credentials.
Contact the NTT DATA Payment Services integration team:
https://in.nttdatapay.com/sign-up
final nttdatapayConfig = const NttdatapayConfig(
merchId: "XXXXXXX",
txnPassword: "XXXX@XXX",
reqEncKey: "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
reqSalt: "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
resDecKey: "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
resSalt: "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
reqHashKey: "XXXXXXXXXXXXXX",
resHashKey: "XXXXXXXXXXXXXXXXXXX",
environment: NttdatapayEnvironment.uat,
);
To switch to production:
environment: NttdatapayEnvironment.production,
Generate Token Using NTTDATAPAY AUTH Service
final ndpsTokenId = await NdpsAuthService.generateToken(
config: nttdatapayConfig,
txnId: txnId, // unique transaction Id
amount: "1.00",
email: "test.user@xyz.in",
mobile: "8888888800",
prodId: "XXX",
txnCurrency: "INR",
);
Add Optional UDF Parameters
udf1: "value1",
udf2: "value2",
udf3: "value3",
udf4: "value4",
udf5: "value5",
Add Multi-Product (Split Payment) Support
prodId: "multi", // fix value
prodDetails: const [
ProdDetail(prodName: "Item1", prodAmount: "1.00"),
ProdDetail(prodName: "Item2", prodAmount: "1.00"),
],
Open Checkout WebView and Wait for the Final Payment Result
final result = await Navigator.push(
context,
MaterialPageRoute(
builder: (_) => NdpsPaymentWebView(
ndpsTokenId: ndpsTokenId,
merchId: nttdatapayConfig.merchId,
returnUrl: nttdatapayConfig.returnUrl,
config: nttdatapayConfig,
email: "test.user@xyz.in",
mobile: "8888888800",
showAppBar: true,
appBarTitle: "Complete Payment",
),
),
);