ECG

curl -X POST https://xchange.korba365.com/api/v1.0/ecg_direct_meter_detail/ \
  -H "Content-Type: application/json" \
  -H "Authorization: HMAC YOUR_CLIENT_KEY:YOUR_SIGNATURE" \
  -d '{
    "client_id": 2,
    "account_number": "700252531"
  }'

import requests, hmac, hashlib

client_key = "YOUR_CLIENT_KEY"
secret_key = "YOUR_SECRET_KEY"

payload = {
    "client_id": 2,
    "transaction_id": "8937982379872398",
    "amount": 50.00,
    "meter_id": "a2c363ec6545486eaeb299bc7a64cefb",
    "meter_number": "P191177631",
    "callback_url": "https://webhook.site/fdd1d807-0147-4015-ab47-8ec7118ea595",
    "description": "awesome description",
}

message = "&".join(
    f"{k}={v}" for k, v in sorted(payload.items())
)
signature = hmac.new(secret_key.encode(), message.encode(), hashlib.sha256).hexdigest()

url = "https://xchange.korba365.com/api/v1.0/ecg_direct_pay_bill/"

headers = {
    "Content-Type": "application/json",
    "Authorization": f"HMAC {client_key}:{signature}",
}

response = requests.post(url, json=payload, headers=headers)
print(response.json())

const crypto = require("crypto");

const clientKey = "YOUR_CLIENT_KEY";
const secretKey = "YOUR_SECRET_KEY";

const payload = {
  client_id: 2,
  transaction_id: "8937982379872398",
  amount: 50.00,
  meter_id: "a2c363ec6545486eaeb299bc7a64cefb",
  meter_number: "P191177631",
  callback_url: "https://webhook.site/fdd1d807-0147-4015-ab47-8ec7118ea595",
  description: "awesome description",
};

const message = Object.keys(payload)
  .sort()
  .map(k => `${k}=${payload[k]}`)
  .join("&");
const signature = crypto.createHmac("sha256", secretKey).update(message).digest("hex");

const response = await fetch("https://xchange.korba365.com/api/v1.0/ecg_direct_pay_bill/", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": `HMAC ${clientKey}:${signature}`,
  },
  body: JSON.stringify(payload),
});

const data = await response.json();
console.log(data);

<?php

$clientKey = 'YOUR_CLIENT_KEY';
$secretKey = 'YOUR_SECRET_KEY';

$payload = [
    'amount'         => 50.00,
    'callback_url'   => 'https://webhook.site/fdd1d807-0147-4015-ab47-8ec7118ea595',
    'client_id'     => 2,
    'description'   => 'awesome description',
    'meter_id'      => 'a2c363ec6545486eaeb299bc7a64cefb',
    'meter_number'  => 'P191177631',
    'transaction_id'=> '8937982379872398',
];

ksort($payload);
$parts = [];
foreach ($payload as $k => $v) {
    $parts[] = "$k=$v";
}
$message   = implode('&', $parts);
$signature = hash_hmac('sha256', $message, $secretKey);

$ch = curl_init('https://xchange.korba365.com/api/v1.0/ecg_direct_pay_bill/');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST           => true,
    CURLOPT_POSTFIELDS     => json_encode($payload),
    CURLOPT_HTTPHEADER     => [
        'Content-Type: application/json',
        "Authorization: HMAC $clientKey:$signature",
    ],
]);

$response = curl_exec($ch);
curl_close($ch);
print_r(json_decode($response, true));