curl --request POST \
  --url https://business-sandbox.instntmny.com/api/pay \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data channel=2 \
  --data phone_number=233245519485 \
  --data 'name=Godwin Hottor' \
  --data amount=1 \
  --data voucher_code= \
  --data callback_url=

import requests

url = "https://business-sandbox.instntmny.com/api/pay"

payload = {
    "channel": "2",
    "phone_number": "233245519485",
    "name": "Godwin Hottor",
    "amount": "1",
    "voucher_code": "",
    "callback_url": ""
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/x-www-form-urlencoded"
}

response = requests.post(url, data=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/x-www-form-urlencoded'
  },
  body: new URLSearchParams({
    channel: '2',
    phone_number: '233245519485',
    name: 'Godwin Hottor',
    amount: '1',
    voucher_code: '',
    callback_url: ''
  })
};

fetch('https://business-sandbox.instntmny.com/api/pay', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://business-sandbox.instntmny.com/api/pay",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "channel=2&phone_number=233245519485&name=Godwin%20Hottor&amount=1&voucher_code=&callback_url=",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/x-www-form-urlencoded"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://business-sandbox.instntmny.com/api/pay"

	payload := strings.NewReader("channel=2&phone_number=233245519485&name=Godwin%20Hottor&amount=1&voucher_code=&callback_url=")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://business-sandbox.instntmny.com/api/pay")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/x-www-form-urlencoded")
  .body("channel=2&phone_number=233245519485&name=Godwin%20Hottor&amount=1&voucher_code=&callback_url=")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://business-sandbox.instntmny.com/api/pay")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/x-www-form-urlencoded'
request.body = "channel=2&phone_number=233245519485&name=Godwin%20Hottor&amount=1&voucher_code=&callback_url="

response = http.request(request)
puts response.read_body

{
  "transaction": {
    "type": "Cr",
    "merchant_id": 5,
    "reference": "5-234r433434-24e3ed",
    "medium": "MTN Mobile Money",
    "amount": 1.01,
    "amount_details": "Hello, this is a test debit transaction",
    "status": "2",
    "status_message": "Request sent, pending processing",
    "sender_details": {
      "type": 2,
      "no": "233245519485",
      "name": "ZEEPAY GHANA LIMITED",
      "token": null
    },
    "recipient_details": {
      "type": 8,
      "no": 5,
      "name": "Godwin Hottor"
    },
    "description": "Payment",
    "extra": "Testing",
    "api": 1,
    "callback_url": "https://webhook.site/3b3b3b3b-3b3b-3b3b-3b3b-3b3b3b3b3b3b",
    "updated_at": "2020-04-14 16:18:31",
    "created_at": "2020-04-14 16:18:31",
    "id": 26
  },
  "type": "Success",
  "message": "Transaction Request Successful"
}