Webhook

{
  "event": "incoming_sms",
  "timestamp": "2026-05-27T14:30:00Z",
  "data": {
    "id": 209,
    "from": "+40712345678",
    "message": "Yes, I want to book an appointment",
    "channel": "sms",
    "device_id": 6,
    "contact": {
      "id": 42,
      "name": "John Doe",
      "phone": "+40712345678"
    },
    "auto_reply": "Thanks! We will get back to you shortly."
  }
}

{
  "event": "incoming_email",
  "timestamp": "2026-05-27T14:30:00Z",
  "data": {
    "id": 310,
    "from_email": "customer@example.com",
    "from_name": "John Doe",
    "to_email": "support@yourbusiness.com",
    "subject": "Re: Your order #1234",
    "body_text": "Hi, when will my order arrive?",
    "received_at": "2026-05-27T14:28:00Z",
    "smtp_server_id": 5
  }
}

<?php
$payload = file_get_contents('php://input');
$secret  = 'whsec_your_secret_here';

$header    = $_SERVER['HTTP_X_RCSZILLA_SIGNATURE'] ?? '';
$expected  = 'sha256=' . hash_hmac('sha256', $payload, $secret);

if (!hash_equals($expected, $header)) {
    http_response_code(401);
    exit('Invalid signature');
}

$data = json_decode($payload, true);
// Process the event...
http_response_code(200);
echo json_encode(['ok' => true]);

const crypto = require('crypto');

app.post('/webhook', (req, res) => {
  const payload = JSON.stringify(req.body);
  const secret  = 'whsec_your_secret_here';
  const sig     = req.headers['x-rcszilla-signature'] || '';
  const expected = 'sha256=' + crypto.createHmac('sha256', secret)
                                      .update(payload).digest('hex');

  if (sig !== expected) return res.status(401).send('Invalid signature');

  const { event, data } = req.body;
  console.log(`Received ${event}:`, data);
  res.json({ ok: true });
});

import hmac, hashlib, json
from flask import Flask, request, abort

app = Flask(__name__)
SECRET = 'whsec_your_secret_here'

@app.route('/webhook', methods=['POST'])
def webhook():
    payload = request.get_data()
    sig     = request.headers.get('X-RCSZilla-Signature', '')
    expected = 'sha256=' + hmac.new(
        SECRET.encode(), payload, hashlib.sha256
    ).hexdigest()

    if not hmac.compare_digest(sig, expected):
        abort(401)

    data = json.loads(payload)
    print(f"Event: {data['event']}", data['data'])
    return {'ok': True}

curl "https://api.rcszilla.com/?endpoint=webhook_deliveries&status=pending&limit=10" \
  -H "Authorization: Bearer YOUR-API-TOKEN"

{
  "success": true,
  "total": 42,
  "limit": 10,
  "offset": 0,
  "counts": {
    "pending": 3,
    "sent": 38,
    "failed": 1
  },
  "deliveries": [
    {
      "id": 156,
      "event_type": "incoming_sms",
      "webhook_url": "https://your-server.com/hook",
      "status": "pending",
      "attempts": 0,
      "max_attempts": 5,
      "http_status": null,
      "last_error": null,
      "next_retry_at": "2026-05-27T14:31:00Z",
      "created_at": "2026-05-27T14:30:05",
      "last_attempt_at": null
    }
  ]
}

curl "https://api.rcszilla.com/?endpoint=webhook_delivery&id=156" \
  -H "Authorization: Bearer YOUR-API-TOKEN"

{
  "success": true,
  "delivery": {
    "id": 156,
    "event_type": "incoming_sms",
    "webhook_url": "https://your-server.com/hook",
    "payload": {
      "event": "incoming_sms",
      "timestamp": "2026-05-27T14:30:00Z",
      "data": {
        "id": 209,
        "from": "+40712345678",
        "message": "Yes, I want to book",
        "channel": "sms",
        "device_id": 6,
        "contact": {
          "id": 42,
          "name": "John Doe",
          "phone": "+40712345678"
        },
        "auto_reply": null
      }
    },
    "status": "sent",
    "attempts": 1,
    "max_attempts": 5,
    "http_status": 200,
    "last_error": null,
    "next_retry_at": null,
    "created_at": "2026-05-27T14:30:05",
    "last_attempt_at": "2026-05-27T14:30:08"
  }
}

# Fire pending webhooks (every minute)
* * * * * /usr/bin/php /path/to/send_sms/cron/process_webhook_queue.php

# Poll IMAP inboxes for new emails (every 2 minutes)
*/2 * * * * /usr/bin/php /path/to/send_sms/cron/process_incoming_emails.php