ALATPay SDK

A Flutter SDK for integrating the official ALATPay payment checkout into your Flutter applications.

The SDK launches the ALATPay payment popup inside a WebView, supporting all payment methods (bank transfer, USSD, card, etc.) via the official ALATPay checkout page.

Basics

Installation

Add the dependency to your pubspec.yaml:

dependencies:
  alatpay_sdk: ^2.0.0

Or grab it from pub.dev.

Usage

To initiate a payment, call the AlatPaySdk.startPayment method with the required parameters:

AlatPaySdk.startPayment(
  context,
  request: PaymentRequest(
    businessId: "your-business-id",
    amount: 100,
    currency: "NGN",
    customer: Customer(
      email: "jane.doe@email.com",
      phone: "09038818841",
      firstName: "Jane",
      lastName: "Doe",
    ),
  ),
  apiKey: "your-alatpay-public-key",
  color: "#01070e", // Optional: customize the payment page color
  onPaymentComplete: (result) {
    if (result.success) {
      print("Payment successful: ${result.message}");
      print("Transaction data: ${result.raw}");
    } else {
      print("Payment failed: ${result.message}");
    }
  },
  onClose: () {
    print("Payment popup closed");
  },
);

Parameters

PaymentRequest

Parameter	Type	Required	Description
businessId	String	Yes	Your ALATPay business ID
amount	double	Yes	Payment amount
currency	String	No	Currency code (default: "NGN")
description	String?	No	Transaction description
customer	Customer	Yes	Customer details (see below)

Customer

Parameter	Type	Required	Description
email	String	Yes	Customer email address
phone	String?	No	Customer phone number
firstName	String	Yes	Customer's first name
lastName	String	Yes	Customer's last name
metadata	String?	No	Additional metadata

startPayment Options

Parameter	Type	Required	Description
apiKey	String	Yes	Your ALATPay public API key
color	String?	No	Hex color for the payment popup (e.g. "#01070e")
onPaymentComplete	Function(PaymentResult)	Yes	Called when transaction completes
onClose	Function()?	No	Called when user closes the popup

Events & Callbacks

AlatPaySdk.startPayment provides the following callbacks:

• onPaymentComplete: Called when the payment transaction finishes. Receives a PaymentResult object with:

  • success: Whether the payment was successful
  • message: A descriptive message
  • raw: The raw transaction response data from ALATPay

• onClose: Called when the user dismisses the payment popup without completing payment.

Platform Setup

Android

Ensure your minSdkVersion is at least 20 in android/app/build.gradle:

android {
    defaultConfig {
        minSdkVersion 20
    }
}

iOS

No additional configuration required. The WebView is supported out of the box.