Zender: Unleash the Power of Android SMS & WhatsApp Gateway
Build your own powerful, white-label messaging SaaS platform. Empower businesses and marketers with a cost-effective solution to send SMS and WhatsApp messages directly from Android devices.Own Your Brand, Power Your Clients. Seamlessly launch your service under your own brand. Zender is a 100% white-label solution—your customers will never know the engine behind your success.
Why Zender is the Ultimate Choice
| Feature | Benefit |
|---|---|
 Blazing Fast Performance | A lightning-fast dashboard and optimized code ensure a smooth user experience with top-tier speed scores. |
 Complete White-Label | From the web platform to the Android APK, customize everything with your logo, colors, and package name. |
 Effortless Gateway Setup | Users connect Android devices (4.4+) in seconds via QR code—no technical expertise required. |
Core Platform Features
<div align="right"> <strong>For Your Customers</strong> </div>
Responsive Dashboard: A beautiful, intuitive dashboard that provides quick insights and works perfectly on any device.
Quick & Bulk Messaging: Send single messages or launch large-scale campaigns to contact groups with ease.
Two-Way Communication: Send and receive SMS, enabling interactive conversations and customer support.
Smart Templates & Long SMS: Save time with pre-built templates and send long messages that auto-split.
Multi-Language Ready: Comes with 10 built-in languages (English, Korean, Japanese, French, German, and more).
Robust API & Webhooks: Extensive REST API for custom integrations and webhooks for instant reply automation.
Subscription & Payments: Flexible package management with integrated Stripe and PayPal gateways.
Advanced Analytics: Detailed usage statistics and extensive charts in the admin panel for deep insights.
Granular Control: Limit everything—devices, SMS volume, API keys—per user package.
Smart Widgets: Easily embed scripts and HTML blocks anywhere on the platform with a single line of code.
Comprehensive Documentation: Well-documented code and management guides for easy setup and customization.
Gateway App Highlights
App Builder: Generate a custom APK with your brand identity—icon, splash screen, colors, and server URL pre-integrated.
Smart Recovery: Built-in resilience that automatically recovers from errors, minimizing downtime and crashes.- Lightweight & Legacy Support: A tiny 6MB app that runs flawlessly on older Android devices (KitKat 4.4+).
- Background Service: Operates reliably in the background, even when the phone is sleeping.
No Firebase Needed: Our self-contained architecture eliminates the dependency on external services like Firebase FCM.
Technical Requirements
- Server: Apache (with mod_rewrite)
- Database: MySQL 5.6 or later
- PHP: 7.1.0 or later
- PHP Extensions:
- php-gd
- php-mbstring
- php-intl
- php-zip
- php-curl
- php-xmlreader
- php-bcmath
