Grow Your Business with
Gfibers WhatsApp API
The most reliable WhatsApp Gateway. Connect with Zalpro, custom CRMs, or any software using our Universal Link. Send notifications, invoices, and auto-replies seamlessly.
curl_setopt_array($curl, [
CURLOPT_URL => "http://gfiberspro.pk:442/api/send-message",
CURLOPT_POSTFIELDS => json_encode([
"instance_key" => "YOUR_SECRET_KEY",
"number" => "923001234567",
"message" => "Hello! Your internet bill is due."
]),
CURLOPT_HTTPHEADER => ["Content-Type: application/json"]
]);
$response = curl_exec($curl);
Universal Link
100% compatible with Zalpro, WHMCS, and any custom CRM/Software.
90%+ High Uptime
Dedicated Node.js engines ensure your messages are delivered without delay.
Smart Anti-Ban
New numbers start with a 50 Msgs/Day warmup limit, upgrading gradually to keep your number safe.
AI Chatbot Ready
Set up Auto-Replies and keywords to handle customer queries 24/7 automatically.
Monthly API Packages
Upgrade or downgrade anytime from your dashboard.
API Starter
- 1 Instance Key
- Universal CRM Support
- Text & Media (PDF/Images)
- AI Chatbot Auto-Reply
API Business
- 1 Instance Key
- Universal CRM Support
- Text & Media (PDF/Images)
- Priority Routing
- AI Chatbot Auto-Reply
API Enterprise
- 1 Instance Key
- Universal CRM Support
- Full Media Support
- Includes AI Chatbot!
Frequently Asked Questions
What is the "Number Warmup" policy?
To protect your WhatsApp number from getting banned, new API users are restricted to 50 messages per day initially. This limit upgrades gradually as your number builds trust with WhatsApp servers.
Will it work with Zalpro or custom software?
Yes! Our API uses a Universal Link structure. It is fully compatible with Zalpro, WHMCS, custom ISP CRMs, and basic PHP/Node scripts.
Can I change my Instance Key?
Yes, every package provides 1 Instance Key. You can log into your portal at gfiberspro.pk:442 and refresh or re-link your device anytime.
How does the 3-Day Free Trial work?
Simply click the "Get Trial" button above, register your account on our portal, scan the QR code, and enjoy 3 days of fully featured API access without paying a single rupee!