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    Node.JS SDK for Paynow Zimbabwe's API

    Sign in to Paynow and get integration details

    Before you can start making requests to Paynow's API, you need to get an integration ID and integration Key from Paynow. See Documentation Generating Integration Key and Viewing integration ID


    See the Paynow QuickStart.


    This library has a set of prerequisites that must be met for it to work

    1. Node version 0.6.0 and above
    2. NPM (node's package manager, used to install the node library)


    Install the library using NPM or yarn

    $ npm install --save paynow
    $ yarn add paynow

    Usage example

    Importing library

    const { Paynow } = require("paynow");

    Create an instance of the Paynow class optionally setting the result and return url(s)

    let paynow = new Paynow("INTEGRATION_ID", "INTEGRATION_KEY");
    paynow.resultUrl = "";
    paynow.returnUrl = "";
    /* The return url can be set at later stages. 
    You might want to do this if you want to pass data to the return url (like the reference of the transaction) */

    The Integration ID and Key can be optionally loaded from PAYNOW_INTEGRATION_ID and PAYNOW_INTEGRATION_KEY environment variables (respectively). An instance of the Paynow class can then be created using the following:

    let paynow = new Paynow();

    Create a new payment passing in the reference for that payment (e.g invoice id, or anything that you can use to identify the transaction.

    let payment = paynow.createPayment("Invoice 35");

    You can then start adding items to the payment

    // Passing in the name of the item and the price of the item
    payment.add("Bananas", 2.5);
    payment.add("Apples", 3.4);

    Once you're done building up your cart and you're finally ready to send your payment to Paynow, you can use the send method in the paynow object.

    // Save the response from paynow in a variable

    The send method will return a Promise<InitResponse>, the InitResponse object being the response from Paynow and it will contain some useful information like whether the request was successful or not. If it was, for example, it contains the url to redirect the user so they can make the payment. You can view the full list of data contained in the response in our wiki

    If request was successful, you should consider saving the poll url sent from Paynow in your database

    paynow.send(payment).then(response => {
      // Check if request was successful
      if (response.success) {
        // Get the link to redirect the user to, then use it as you see fit
        let link = response.redirectUrl;

    Mobile Transactions

    If you want to send an express (mobile) checkout request instead, the only thing that differs is the last step. You make a call to the sendMobile in the paynow object instead of the send method.

    The sendMobile method unlike the send method takes in two additional arguments i.e The phone number to send the payment request to and the mobile money method to use for the request. Note that currently only ecocash is supported

    paynow.sendMobile(payment, '0777000000', 'ecocash').then(response => {
      // Handle response

    The response object is almost identical to the one you get if you send a normal request. With a few differences, firstly, you don't get a url to redirect to. Instead you instructions (which ideally should be shown to the user instructing them how to make payment on their mobile phone)

        // The payment to send to Paynow
        // The phone number making payment
        // The mobile money method to use.
    ).then(function(response) {
        if(response.success) {
            // These are the instructions to show the user. 
            // Instruction for how the user can make payment
            let instructions = response.instructions // Get Payment instructions for the selected mobile money method
            // Get poll url for the transaction. This is the url used to check the status of the transaction. 
            // You might want to save this, we recommend you do it
            let pollUrl = response.pollUrl; 
        } else {
    }).catch(ex => {
        // Ahhhhhhhhhhhhhhh
        // *freak out*
        console.log('Your application has broken an axle', ex)

    Checking transaction status

    The SDK exposes a handy method that you can use to check the status of a transaction. Once you have instantiated the Paynow class.

    // Check the status of the transaction with the specified pollUrl
    // Now you see why you need to save that url ;-)
    let status = paynow.pollTransaction(pollUrl);
    if (status.paid()) {
      // Yay! Transaction was paid for
    } else {
      console.log("Why you no pay?");

    Full Usage Example

    // Require in the Paynow class
    const { Paynow } = require("paynow");
    // Create instance of Paynow class
    let paynow = new Paynow("INTEGRATION_ID", "INTEGRATION_KEY");
    // Set return and result urls
    paynow.resultUrl = "";
    paynow.returnUrl = "";
    // Create a new payment
    let payment = paynow.createPayment("Invoice 35");
    // Add items to the payment list passing in the name of the item and it's price
    payment.add("Bananas", 2.5);
    payment.add("Apples", 3.4);
    // Send off the payment to Paynow
    paynow.send(payment).then( (response) => {
        // Check if request was successful
        if(response.success) {
            // Get the link to redirect the user to, then use it as you see fit
            let link = response.redirectUrl;
            // Save poll url, maybe (recommended)?
            let pollUrl = response.pollUrl;


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