tajiri-mpesa-express

This is a simple package for performing stk push and stk query

tajiri-mpesa-express

NPM

npm install tajiri-mpesa-express

YARN

yarn add tajiri-mpesa-express

Description

This is a simple package for generating mpesa password and time stamp.

Usage: Mpesa Stk Push

using Promises

const mpesaExpress = require("tajiri-mpesa-express");

const environment = "sandbox"; // If your Application is live set this to live

//const environment="live" :

// Use your Application Configuration Values

const conf = {
  BUSINESS_SHORT_CODE: 174379,

  TRANSACTION_TYPE: "CustomerPayBillOnline",

  AMOUNT: 1,

  PHONE_NUMBER: 254708374149,

  CALLBACK_URL: "https://mydomain.com/path",

  ACCOUNT_REFERENCE: "CompanyXLTD",

  TRANSACTION_DESCRIPTION: "Payment of some X",

  CONSUMER_KEY: "jvW9G4WkCAzzfGTEvwCqQzRGXChAAOxU",

  CONSUMER_SECRET: "avCac8rxczEEMA47",

  PASS_KEY: "bfb279f9aa9bdbcf158e97dd71a467cd2e0c893059b10f78e6b72ada1ed2c919",
};

let Mpesa = new mpesaExpress(conf, environment);

//The default Conf file will be used

Mpesa.stkPush()
.then((res) => {
  if (res.error) {
    //error
    console.log(res);
  } else {
    console.log(res);
  }
});

// For the stkPush1 i will use the set credentials ie conf

const PHONE = 254708374149;

const AMOUNT = 5;

const TRANSACTION_DESCRIPTION = "my description";

const ACCOUNT_REFERENCE = "payment of X";

//If You leave them blank. The default from the conf will be used
// If you dont pass object property the default from the config will be used.
// Mpesa.stkPush({PHONE_NUMBER:"xxxxxxxxxxxx",AMOUNT:23})
// The new phone number will be used in this case.
// The new amount will be used.
// Note the config object fields and the case.

Mpesa.stkPush({
  BUSINESS_SHORT_CODE: 174379,
  TRANSACTION_TYPE: "CustomerPayBillOnline",
  AMOUNT: 1,
  PHONE_NUMBER: 254708374149,
  CALLBACK_URL: "https://mydomain.com/path",
  ACCOUNT_REFERENCE: "CompanyXLTD",
  TRANSACTION_DESCRIPTION: "Payment of some X",
  CONSUMER_KEY: "jvW9G4WkCAzzfGTEvwCqQzRGXChAAOxU",
  CONSUMER_SECRET: "avCac8rxczEEMA47",
  PASS_KEY: "bfb279f9aa9bdbcf158e97dd71a467cd2e0c893059b10f78e6b72ada1ed2c919",
})
.then((res) => {
  if (res.error) {
    //error
    console.log(res);
  } else {
    console.log(res);
  }
});

Note that you don't have to pass all the object properties. You can pass only the required ones the rest will be picked from the config.

using Async Await

const mpesaExpress = require("tajiri-mpesa-express");

const environment = "sandbox"; // If your Application is live set this to live

// The default environment is sandbox

//const environment="live" :

// Use your Application Configuration Values

const conf = {
  BUSINESS_SHORT_CODE: 174379,

  TRANSACTION_TYPE: "CustomerPayBillOnline",

  AMOUNT: 1,

  PHONE_NUMBER: 254708374149,

  CALLBACK_URL: "https://mydomain.com/path",

  ACCOUNT_REFERENCE: "CompanyXLTD",

  TRANSACTION_DESCRIPTION: "Payment of some X",

  CONSUMER_KEY: "jvW9G4WkCAzzfGTEvwCqQzRGXChAAOxU",

  CONSUMER_SECRET: "avCac8rxczEEMA47",

  PASS_KEY: "bfb279f9aa9bdbcf158e97dd71a467cd2e0c893059b10f78e6b72ada1ed2c919",
};

let Mpesa = new mpesaExpress(conf, environment);

//The default Conf file will be used

async function stkPush1() {
  try {
    let res = await Mpesa.stkPush();

    console.log(res);
  } catch (e) {
    console.log(e);
  }
}

// For the stkPush1 i will use the set credentials ie conf

// You can also set Phone, Amount and leave the rest

//ie stkPush1(PHONE,AMOUNT)

// The default values will be used.

// You could also set them to null and the default values will be used

// Mpesa.stkPush()=== Mpesa.stkPush(null,null,null,null)

const PHONE = 254708374149;

const AMOUNT = 5;

const TRANSACTION_DESCRIPTION = "my description";

const ACCOUNT_REFERENCE = "payment of X";

//Stk Push While Setting PHONE,AMOUNT, TRANSACTION_DESCRIPTION and ACCOUNT_REFERENCE

//Set the fields to null to use the conf defaults.

//If You leave them blank. The default from the conf will be used

async function stkPush2() {
  let res = await Mpesa.stkPush({
    BUSINESS_SHORT_CODE: 174379,
    TRANSACTION_TYPE: "CustomerPayBillOnline",
    AMOUNT: 1,
    PHONE_NUMBER: 254708374149,
    CALLBACK_URL: "https://mydomain.com/path",
    ACCOUNT_REFERENCE: "CompanyXLTD",
    TRANSACTION_DESCRIPTION: "Payment of some X",
    CONSUMER_KEY: "jvW9G4WkCAzzfGTEvwCqQzRGXChAAOxU",
    CONSUMER_SECRET: "avCac8rxczEEMA47",
    PASS_KEY:
      "bfb279f9aa9bdbcf158e97dd71a467cd2e0c893059b10f78e6b72ada1ed2c919",
  });

  if (res.error) {
    //error
    console.log(res);
  } else {
    console.log(res);
  }
}

stkPush1();

stkPush2();

return

{

MerchantRequestID: '53783-104832510-1',

CheckoutRequestID: 'ws_CO_08062022023429368728829146',

ResponseCode: '0',

ResponseDescription: 'Success. Request accepted for processing',

CustomerMessage: 'Success. Request accepted for processing'

}

---

Usage: Mpesa Stk Query

using Promises

const conf = {
  BUSINESS_SHORT_CODE: 174379,

  TRANSACTION_TYPE: "CustomerPayBillOnline",

  AMOUNT: 1,

  PHONE_NUMBER: 254708374149,

  CALLBACK_URL: "https://mydomain.com/path",

  ACCOUNT_REFERENCE: "CompanyXLTD",

  TRANSACTION_DESCRIPTION: "Payment of some X",

  CONSUMER_KEY: "jvW9G4WkCAzzfGTEvwCqQzRGXChAAOxU",

  CONSUMER_SECRET: "avCac8rxczEEMA47",

  PASS_KEY: "bfb279f9aa9bdbcf158e97dd71a467cd2e0c893059b10f78e6b72ada1ed2c919",
};

let CheckoutRequestID = "ws_CO_08062022015515431728829146";

// The checkout request ID is required.

// You get this from the stkPush

Mpesa.stkQuery(CheckoutRequestID)

  .then((res) => {
    console.log(res);
  })

  .catch((e) => {
    console.log(e);
  });

using Async Await

const conf = {
  BUSINESS_SHORT_CODE: 174379,

  TRANSACTION_TYPE: "CustomerPayBillOnline",

  AMOUNT: 1,

  PHONE_NUMBER: 254708374149,

  CALLBACK_URL: "https://mydomain.com/path",

  ACCOUNT_REFERENCE: "CompanyXLTD",

  TRANSACTION_DESCRIPTION: "Payment of some X",

  CONSUMER_KEY: "jvW9G4WkCAzzfGTEvwCqQzRGXChAAOxU",

  CONSUMER_SECRET: "avCac8rxczEEMA47",

  PASS_KEY: "bfb279f9aa9bdbcf158e97dd71a467cd2e0c893059b10f78e6b72ada1ed2c919",
};

let CheckoutRequestID = "ws_CO_08062022015515431728829146";

// The checkout request ID is required.

// You get this from the stkPush

async function stkQuery() {
  try {
    let res = await Mpesa.stkQuery(CheckoutRequestID);

    console.log(res);
  } catch (e) {
    console.log(e);
  }
}

stkQuery();

Sample SUCCESS response

{
  error: false,
  data: {
    MerchantRequestID: '36052-118331891-1',
    CheckoutRequestID: 'ws_CO_16082023131931524728829146',
    ResponseCode: '0',
    ResponseDescription: 'Success. Request accepted for processing',
    CustomerMessage: 'Success. Request accepted for processing'
  }
}

Sample ERROR response

{
  error: true,
  data: {
    requestId: '55944-116787588-1',
    errorCode: '400.002.02',
    errorMessage: 'Bad Request - Invalid PhoneNumber'
  }
}

---

the default environment is sandbox

For the stkPush1 i will use the set credentials ie conf

You can also set Phone, Amount and leave the rest

ie stkPush1({PHONE_NUMBER:"2344",AMOUNT:23})

The default values will be used.

You could also set them to null and the default values will be used

Mpesa.stkPush()=== Mpesa.stkPush(null,null,null,null)

References

get the application credentials from daraja

[daraja]](https://developer.safaricom.co.ke/)