// Webhook endpoint to receive payment notifications
app.post('/webhooks/rebell', express.json(), (req, res) => {
  // 1. Verify the signature (see Authentication docs)
  if (!verifySignature(req)) {
    return res.status(401).json({ result: { resultStatus: 'F' } });
  }

  const { paymentId, paymentRequestId, paymentStatus, paymentAmount } = req.body;

  // 2. Process the payment result
  if (paymentStatus === 'SUCCESS') {
    // Update order status, trigger fulfillment, etc.
    updateOrderStatus(paymentRequestId, 'paid');
  } else if (paymentStatus === 'FAIL') {
    updateOrderStatus(paymentRequestId, 'failed');
  }

  // 3. Acknowledge receipt
  res.json({ result: { resultStatus: 'S' } });
});

from flask import Flask, request, jsonify

@app.route('/webhooks/rebell', methods=['POST'])
def handle_payment_webhook():
    # 1. Verify the signature (see Authentication docs)
    if not verify_signature(request):
        return jsonify({'result': {'resultStatus': 'F'}}), 401

    data = request.json
    payment_status = data['paymentStatus']
    payment_request_id = data['paymentRequestId']

    # 2. Process the payment result
    if payment_status == 'SUCCESS':
        update_order_status(payment_request_id, 'paid')
    elif payment_status == 'FAIL':
        update_order_status(payment_request_id, 'failed')

    # 3. Acknowledge receipt
    return jsonify({'result': {'resultStatus': 'S'}})

curl --request POST \
  --url https://api.rebellapp.com/webhooks/paymentNotify \
  --header 'Client-Id: <api-key>' \
  --header 'Content-Type: application/json' \
  --header 'Request-Time: <api-key>' \
  --header 'Signature: <api-key>' \
  --data '
{
  "paymentId": "<string>",
  "paymentRequestId": "<string>",
  "paymentAmount": {
    "currency": "<string>",
    "value": 123
  },
  "paymentTime": "2023-11-07T05:31:56Z",
  "paymentCreatedTime": "<string>"
}
'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.rebellapp.com/webhooks/paymentNotify",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'paymentId' => '<string>',
    'paymentRequestId' => '<string>',
    'paymentAmount' => [
        'currency' => '<string>',
        'value' => 123
    ],
    'paymentTime' => '2023-11-07T05:31:56Z',
    'paymentCreatedTime' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Client-Id: <api-key>",
    "Content-Type: application/json",
    "Request-Time: <api-key>",
    "Signature: <api-key>"
  ],
]);

$response = curl_exec($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://api.rebellapp.com/webhooks/paymentNotify"

	payload := strings.NewReader("{\n  \"paymentId\": \"<string>\",\n  \"paymentRequestId\": \"<string>\",\n  \"paymentAmount\": {\n    \"currency\": \"<string>\",\n    \"value\": 123\n  },\n  \"paymentTime\": \"2023-11-07T05:31:56Z\",\n  \"paymentCreatedTime\": \"<string>\"\n}")

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

	req.Header.Add("Signature", "<api-key>")
	req.Header.Add("Client-Id", "<api-key>")
	req.Header.Add("Request-Time", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.rebellapp.com/webhooks/paymentNotify")
  .header("Signature", "<api-key>")
  .header("Client-Id", "<api-key>")
  .header("Request-Time", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"paymentId\": \"<string>\",\n  \"paymentRequestId\": \"<string>\",\n  \"paymentAmount\": {\n    \"currency\": \"<string>\",\n    \"value\": 123\n  },\n  \"paymentTime\": \"2023-11-07T05:31:56Z\",\n  \"paymentCreatedTime\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.rebellapp.com/webhooks/paymentNotify")

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

request = Net::HTTP::Post.new(url)
request["Signature"] = '<api-key>'
request["Client-Id"] = '<api-key>'
request["Request-Time"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"paymentId\": \"<string>\",\n  \"paymentRequestId\": \"<string>\",\n  \"paymentAmount\": {\n    \"currency\": \"<string>\",\n    \"value\": 123\n  },\n  \"paymentTime\": \"2023-11-07T05:31:56Z\",\n  \"paymentCreatedTime\": \"<string>\"\n}"

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

{
  "result": {
    "resultCode": "<string>",
    "resultMessage": "<string>"
  }
}