Challenge Verification

app.post('/webhook', (req, res) => {
  const { challenge } = req.body;

  // If a challenge is present, respond with it
  if (challenge) {
    return res.json({ challenge });
  }

  // Otherwise, handle the webhook event
  const event = req.body;
  console.log('Received event:', event.event);

  res.sendStatus(200);
});

from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/webhook', methods=['POST'])
def webhook():
    data = request.get_json()

    # If a challenge is present, respond with it
    if 'challenge' in data:
        return jsonify({'challenge': data['challenge']})

    # Otherwise, handle the webhook event
    print(f"Received event: {data['event']}")

    return '', 200

<?php
$payload = json_decode(file_get_contents('php://input'), true);

// If a challenge is present, respond with it
if (isset($payload['challenge'])) {
    header('Content-Type: application/json');
    echo json_encode(['challenge' => $payload['challenge']]);
    exit;
}

// Otherwise, handle the webhook event
error_log('Received event: ' . $payload['event']);

http_response_code(200);
?>