mpesa-node-sdk

Introduction

This is a Mpesa sdk for node.js developers to help javascript developers integrate Mpesa payment system into their web apps easily. The package uses REST API that is documented on safaricom site. You can access it on http://developer.safaricom.co.ke.

Installation

npm install mpesa-node-sdk

Configuration

At your project root, create a .env file and in it set the MPESA_KEY,MPESA_SECRET and MPESA_MODE (i.e live or sandbox) and put the keys you received when registering your application from the safaricom portal.
You can Register for a developer account and get your client_id and secret at Safaricom Developer Portal.
MPESA_KEY= [YOUR_API_CONSUMER_KEY]
MPESA_SECRET=[YOUR_API_CONSUMER_SECRET]
MPESA_MODE=[live or sandbox]

Callback Responses
You should be able to register validation and confirmation urls where the callback responses will be sent.

Usage

• Require 'mpesa-node-sdk' in your file.

  var mpesa = require('mpesa-node-sdk');

B2C Payment Request

• This is used to initiate the transaction from business to customers

  const request_options= {
      "InitiatorName": " ",
      "SecurityCredential":" ",
      "CommandID": " ",
      "Amount": " ",
      "PartyA": " ",
      "PartyB": " ",
      "Remarks": " ",
      "QueueTimeOutURL": "http://your_timeout_url",
      "ResultURL": "http://your_result_url",
      "Occasion": " "
    };
  
    mpesa.b2c(request_options,function(data){
        console.log(data);
    })

Account Balance Request

• This is used to enquire the balance on an M-Pesa BuyGoods (Till Number)

  const request_options={
          "Initiator":" ",
          "SecurityCredential":" ",
          "CommandID":"AccountBalance",
          "PartyA":" ",
          "IdentifierType":"4",
          "Remarks":" ",
          "QueueTimeOutURL":"https://ip_address:port/timeout_url",
          "ResultURL":"https://ip_address:port/result_url"
         };
  mpesa.accountBalance(request_options,function(data){
       console.log(data);
  })

Transaction Status Request

*This is used to check the status of transaction

const request_options={
       "Initiator":" ",
       "SecurityCredential":" ",
       "CommandID":"TransactionStatusQuery",
       "TransactionID":" ",
       "PartyA":" ",
       "IdentifierType":"1",
       "ResultURL":"https://ip_address:port/result_url",
       "QueueTimeOutURL":"https://ip_address:port/timeout_url",
       "Remarks":" ",
       "Occasion":" "
   };
mpesa.transactionStatus(request_options,function(data){
       console.log(data);
  })

B2B Payment Request

This is used to transfer funds between two companies.

const request_options= {
        "Initiator": " ",
        "SecurityCredential": " ",
        "CommandID": " ",
        "SenderIdentifierType": " ",
        "RecieverIdentifierType": " ",
        "Amount": " ",
        "PartyA": " ",
        "PartyB": " ",
        "AccountReference": " ",
        "Remarks": " ",
        "QueueTimeOutURL": "http://your_timeout_url",
        "ResultURL": "http://your_result_url"
      };
mpesa.b2b(request_options,function(data){
      console.log(data);
 })

C2B Payment Request

This is used to Simulate transfer of funds between a customer and business.

const request_options={
        "ShortCode":" ",
        "CommandID":"CustomerPayBillOnline",
        "Amount":" ",
        "Msisdn":" ",
        "BillRefNumber":" "
    };

  mpesa.c2b(request_options,function(data){
        console.log(data);
    })

Reversal This is used to initiate a reversal request

const request_options={
        "Initiator": "",
        "SecurityCredential": "",
        "CommandID":"TransactionReversal",
        "TransactionID": "",
        "Amount": "2000",
        "ReceiverParty": "",
        "RecieverIdentifierType":"4",
        "QueueTimeOutURL": "http://your_timeout_url",
        "ResultURL": "http://your_result_url",
        "Remarks": "wrong transaction",
        "Occasion": ""
    };

    mpesa.reversal(request_options,function(data){
        console.log(data);
    })

STK Push Simulation

This is used to initiate online payment on behalf of a customer.

const request_options={
         "BusinessShortCode": " ",
         "Password": " ",
         "Timestamp": " ",
         "TransactionType": "CustomerPayBillOnline",
         "Amount": " ",
         "PartyA": " ",
         "PartyB": " ",
         "PhoneNumber": " ",
         "CallBackURL": "https://ip_address:port/callback",
         "AccountReference": " ",
         "TransactionDesc": " "
     };

  mpesa.STKPushSimulation(request_options,function(data){
         console.log(data);
  })

STK Push Status Query

This is used to check the status of a Lipa Na M-Pesa Online Payment.

const request_options={
        "BusinessShortCode": " " ,
        "Password": " ",
        "Timestamp": " ",
        "CheckoutRequestID": " "
    };

    mpesa.STKPushQuery(request_options,function(data){
        console.log(data);
  })

Reference

[REST API Reference] (https://developer.safaricom.co.ke/docs)

Running Examples

Examples are located in the examples directory.