<form method="POST" action="https://paywith.kalletpay.com/api/payment/merchant/create" >
        <input type="hidden" name="token" value="MERCHANT_KEY" />
        <input type="hidden" name="public_key" value="PUBLIC_KEY" />
        <input type="hidden" name="callback_url" value="https://yourdomain.com/success" />
        <input type="hidden" name="reference_code" value="UNIQUE_REF_ID" />
        <input type="hidden" name="amount" value="100" />
        <input type="hidden" name="email" value="[email protected]" />
        <input type="hidden" name="first_name" value="John" />
        <input type="hidden" name="last_name" value="Doe" />
        <input type="hidden" name="title" value="Payment For Products" />
        <input type="hidden" name="description" value="The description of entire payments" />
        <input type="hidden" name="quantity" value="1" />
        <input type="hidden" name="currency" value="USD" />
        <input type="submit" value="submit" />
</form>
                                           
                                       

var request = require('request');
var options = {
  'method': 'POST',
  'url': https://paywith.kalletpay.com'/api/payment/create',
  'headers': {
  },
  formData: {
    'token': 'MERCHANT_KEY',
    'public_key': 'PUBLIC_KEY',
    'callback_url': 'https://yourdomain.com/success',
    'reference_code': 'ref_1',
    'amount': '10',
    'email': '[email protected]',
    'first_name': 'jhone ',
    'last_name': 'doe',
    'title': 'test payment',
    'description': 'payment description',
    'quantity': '1',
    'currency': 'USD'
  }
};
request(options, function (error, response) {
  if (error) throw new Error(error);
  console.log(response.body);
});

require "uri"
require "net/http"

url = URI(https://paywith.kalletpay.com"/api/payment/create")

http = Net::HTTP.new(url.host, url.port);
request = Net::HTTP::Post.new(url)
form_data = [['token', 'MERCHANT_KEY'],['public_key', 'PUBLIC_KEY'],['callback_url', 'https://yourdomain.com/success'],['reference_code', 'ref_1'],['amount', '10'],['email', '[email protected]'],['first_name', 'jhone '],['last_name', 'doe'],['title', 'test payment'],['description', 'payment description'],['quantity', '1'],['currency', 'USD']]
request.set_form form_data, 'multipart/form-data'
response = http.request(request)
puts response.read_body

import requests

url = https://paywith.kalletpay.com"/api/payment/create"

payload={'token': 'MERCHANT_KEY',
'public_key': 'PUBLIC_KEY',
'callback_url': 'https://yourdomain.com/success',
'reference_code': 'ref_1',
'amount': '10',
'email': '[email protected]',
'first_name': 'jhone ',
'last_name': 'doe',
'title': 'test payment',
'description': 'payment description',
'quantity': '1',
'currency': 'USD'}
files=[

]
headers = {}

response = requests.request("POST", url, headers=headers, data=payload, files=files)

print(response.text)