M-Pesa B2C.js

let unirest = require('unirest');
let req = unirest('POST', 'https://sandbox.safaricom.co.ke/mpesa/b2c/v1/paymentrequest')
.headers({
	'Content-Type': 'application/json',
	'Authorization': 'Bearer ojS0BpE4PVvOIQeqftIaCJg6sRrp'
})
.send(JSON.stringify({
    "InitiatorName": "testapi",
    "SecurityCredential": "hXqyG2If6W9+IU4/stlOT97+9MI8cNbl8VY1Fj1RlSr+tPvUMtCUnWkuQUAgISE02n+7HlDJiYLs1GzAcN7erax/RTqrjA5PThSGP7OY0TzN4zB1cwd+eQ4gf/Y1SPK4ekfsl7Ox7MXYQw1h/ULiIMEZNRKCAIklj3YhcgnzKX9FsKL0XWZ00MZSChP8a4w2ARwZN5L8nz7vSP5yD4ZWt2/RCSIPVAdlEFOYHUVC5fkU8+I+8KCOfqw+PCHsLLag/evP/Ptqpjicbp5q2sj9tdCIqyy9ZwovTLb/BEqP2MWP9iBUg1FpfRPlOrB5sGrZJGmEPpRUw8HT6PhB8husRw==",
    "CommandID": "BusinessPayment",
    "Amount": 5,
    "PartyA": 600978,
    "PartyB": 254708374149,
    "Remarks": "Test remarks",
    "QueueTimeOutURL": "https://mydomain.com/b2c/queue",
    "ResultURL": "https://mydomain.com/b2c/result",
    "Occassion": "",
  }))
.end(res => {
	if (res.error) throw new Error(res.error);
	console.log(res.raw_body);
});