MPI4J

The Future of Online Banking - for Everyone™
An implementation of the MyPayIndia v2 API for Java 17+ clients.

Structure

The library is divided into 2 main classes, MPIUserClient for user interactions and MPIMerchantClient for the merchant checkout flow. All API functions return a CompletableFuture<Response<T>> for async compatibility.

Quick Start

public class MyClientIndia {
    public static void main(String[] args) {
        MPIUserClient mpi = new MPIUserClient();
        Response<LoginResponse> loginRes = mpi.auth().login("sam_onlinebanking", "securepassword").join();

        if (loginRes.success()) {
            System.out.println("Successfully logged in as " + loginRes.data().user().username());
        }
    }
}

Further documentation is available through JavaDoc in source code. Your IDE should be able to pick these up.