Flutter Monnify Package

A Flutter package for making payments via Monnify Payment Gateway. Android and iOS supported.

Getting Started

To use this package, add flutter_monnify as a dependency in your pubspec.yaml file.

How to use

import 'package:flutter_monnify/flutter_paystack.dart';

TransactionResponse? response = await Monnify().checkout(

No other configuration required—the plugin works out of the box.

Customize the appbar to suit your project's theme color using the AppConfig object.


import 'package:flutter/material.dart';
import 'package:flutter_monnify/flutter_monnify.dart';

void main() {
  runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Monnify',
      theme: ThemeData(
      home: const PayWithMonnify(),

class PayWithMonnify extends StatefulWidget {
  const PayWithMonnify({super.key});

  State<PayWithMonnify> createState() => _PayWithMonnifyState();

class _PayWithMonnifyState extends State<PayWithMonnify> {
  Widget build(BuildContext context) {
    double width = MediaQuery.of(context).size.width;
    double height = MediaQuery.of(context).size.height;
    return Scaffold(
        body: SizedBox(
      width: width,
      height: height,
      child: Center(
        child: TextButton(
          child: const Text("Pay With Monnify SDK"),
          onPressed: () async {
             TransactionResponse? response = await Monnify().checkout(
                context, monnifyPayload(),
                appBar: AppBarConfig(
                    titleColor: Colors.white, backgroundColor:,
                toast: ToastConfig(
                    color:, backgroundColor:;

            //call the backend to verify transaction status before providing value

  Map<String, dynamic> monnifyPayload() {
    return {
      "amount": 100,
      "currency": "NGN",
      "customerFullName": "John Doe",
      "customerEmail": "",
      "apiKey": "MK_TEST_595UN92CCV",
      "contractCode": "8628159341",
      "paymentDescription": "Lahray World",
      "metadata": {"name": "Damilare", "age": 45},
      // "incomeSplitConfig": [
      //   {
      //     "subAccountCode": "MFY_SUB_342113621921",
      //     "feePercentage": 50,
      //     "splitAmount": 1900,
      //     "feeBearer": true
      //   },
      //   {
      //     "subAccountCode": "MFY_SUB_342113621922",
      //     "feePercentage": 50,
      //     "splitAmount": 2100,
      //     "feeBearer": true
      //   }
      // ],
      "paymentMethod": ["CARD", "ACCOUNT_TRANSFER", "USSD", "PHONE_NUMBER"],

The Monnify.checkout() returns a TransactionResponse with the following fields:

  String? status;
  String? message;
  String? transactionReference;
  String? paymentReference;
  int? amount;
  String? currency;
  dynamic rawData;

The transaction is successful if response.status is SUCCEESSFUL. It is recommended to verify with the transaction status with the backend before providing balue

Contributing, Issues and Bug Reports

The project is open to public contribution. Please feel very free to contribute. Experienced an issue or want to report a bug? Please, report it here. Remember to be as descriptive as possible.

Need More Information?

For further info about Monnify's SDKs, including transaction status types, see the documentations for the web Android and iOS