Chapa Flutter SDK

Chapa Flutter sdk for Chapa payment API. It is not official and is not supported by Chapa. It is provided as-is. The main features of this library is it supports connectivity tests, auto reroutes, parameter checks for payment options.

API Reference

Create new transaction from mobile end point

Base end point https://api.chapa.co/v1

  POST /transaction/mobile-initialize

Parameter	Type	Description
key	string	Required. This will be your public key from Chapa. When on test mode use the test key, and when on live mode use the live key.
email	string	A customer’s email address.
amount	string	Required. The amount you will be charging your customer.
first_name	string	A customer’s first name.
last_name	string	A customer's last name.
tx_ref	string	Required. A unique reference given to each transaction.
currency	string	Required. The currency in which all the charges are made. i.e ETB, USD
phone	digit	A customer’s phone number.
callback_url	string	The URL to redirect the customer to after payment is done.
customization[title]	string	The customizations field (optional) allows you to customize the look and feel of the payment modal.

SDK requires additional parameter for fallBack page which is named route which will help you reroute webview after payment completed, on internet disconnected and many more

Parameter	Type	Description
namedRouteFallBack	string	Required by the sdk. This will accepted route name in String, After successful transaction the app will direct to this page with necessary information for flutter developers to update the backend or to regenerate new transaction reference.

Installation

Installation instructions coming soon its better if you install it from pub dev

Usage/Example

import 'package:chapasdk/chapasdk.dart';


Chapa.paymentParameters(
        context: context, // context 
        publicKey: 'CHASECK_TEST--------------',
        currency: 'ETB',
        amount: '200',
        email: 'xyz@gmail.com',
        phone: '911223344',
        firstName: 'fullName',
        lastName: 'lastName',
        txRef: '34TXTHHgb',
        title: 'title',
        desc:'desc',
        namedRouteFallBack: '/second', // fall back route name
       );

FAQ

Should my fallBack route should be named route?

Answer Yes, the fallBackRoute comes with an information such as payment is successful, user cancelled payment and connectivity issue messages. Those information will help you to update your backend, to generate new transaction reference.