Zender – Messaging Platform for SMS, WhatsApp & use Android Devices as SMS Gateways (SaaS)

✨ Key Features

• Multi-Channel Messaging: Supports SMS and WhatsApp bulk sending from the same platform. :contentReference[oaicite:2]{index=2}
• Android SMS Gateway Integration: Turn your Android smartphones/tablets with SIM cards into SMS gateways linked to the system. :contentReference[oaicite:3]{index=3}
• SaaS-Ready Architecture: Built to host multiple clients, subscription packages, credit/limit systems and white-label branding. :contentReference[oaicite:4]{index=4}
• Contact & Segment Management: Import contacts (Excel/CSV), create groups, segment audiences for targeted campaigns. :contentReference[oaicite:5]{index=5}
• Schedule & Automate Messages: Schedule campaigns for later, automate recurring sends, support long SMS splits and templates. :contentReference[oaicite:6]{index=6}
• RESTful & SaaS APIs: Developers can integrate Zender into other apps/websites via API endpoints for sending, device status, etc. :contentReference[oaicite:7]{index=7}
• Reporting & Monitoring: Track delivery status, gateway device online/offline, usage stats, credit usage and campaign performance. :contentReference[oaicite:8]{index=8}
• Partner/Revenue Share Module: Let third-parties connect their devices to your platform and earn payouts as gateways. :contentReference[oaicite:9]{index=9}

⚙️ Technical Stack

• Backend / Web Panel: PHP script (compatible with PHP 7.4+), MySQL database, runs on Apache/Nginx. :contentReference[oaicite:10]{index=10}
• Frontend / UI: Responsive HTML5/CSS3, JavaScript dashboards, landing pages built in script. :contentReference[oaicite:11]{index=11}
• Datastore: MySQL/MariaDB to store users, contacts, device logs, messages, subscriptions. :contentReference[oaicite:12]{index=12}
• Gateway Devices: Android devices (phones/tablets) running a compatible “gateway app” that connects via API to the server, communicates over web-sockets/FCM for real-time status. :contentReference[oaicite:13]{index=13}
• Server Requirements: Linux (Ubuntu/CentOS) or similar, PHP 7.4+, mod_rewrite (if Apache), required extensions (php-curl, php-mbstring, php-zip, php-xmlreader etc.). :contentReference[oaicite:14]{index=14}
• Optional Integrations: Payment gateways (Stripe/PayPal) for subscription billing, USSD/Balance checking via device, webhook integration for incoming SMS. :contentReference[oaicite:15]{index=15}

🧩 Installation Guide

1. Server Preparation: Set up your hosting environment (PHP 7.4+, MySQL, Apache/Nginx, SSL certificate) as per requirements. :contentReference[oaicite:16]{index=16}
2. Upload Source Files: Upload the Zender script package to your web root via FTP or file manager. :contentReference[oaicite:17]{index=17}
3. Database Setup: Create a new MySQL database, update the configuration file (often `.env` or config.php) with DB credentials and domain URL. :contentReference[oaicite:18]{index=18}
4. Run Installation Wizard: Access yourdomain.com/install (or as per script) and follow the steps to install tables, admin user, license key (if applicable). :contentReference[oaicite:19]{index=19}
5. Configure Gateway Devices: Install the Android gateway app on your phone(s). Log in/link the device to the platform, ensure it’s online. :contentReference[oaicite:20]{index=20}
6. Configure SaaS Settings: Set up subscription packages, credit & usage limits, payment gateway credentials, user roles (admin, user, partner). :contentReference[oaicite:21]{index=21}
7. Test Sending: From the user panel send a test SMS or WhatsApp message, verify device picks it up, message transmits, delivery status shows. :contentReference[oaicite:22]{index=22}
8. Go Live: Set your platform live, secure with SSL, enable backups, monitor performance and device uptime.

📦 Deliverables

• Complete source code package of Zender script (backend + frontend) version 3.9.x. :contentReference[oaicite:23]{index=23}
• Gateway mobile app for Android devices (APK/source) to act as SMS gateway. :contentReference[oaicite:24]{index=24}
• Database schema / SQL export for required tables and initial data.
• Documentation: installation guide, API documentation (send/sms, send/whatsapp, device status) and admin manual. :contentReference[oaicite:25]{index=25}

📱 Supported Platforms

• Web-Dashboard & SaaS Platform: Accessible via modern browsers (Chrome, Firefox, Edge) on desktop and mobile.
• Android Gateway Devices: Android smartphones/tablets with SIM cards and stable network connection, running the gateway app. :contentReference[oaicite:26]{index=26}
• Server Environment: Linux hosting or VPS with PHP/MySQL stack; works with shared hosting (with caution) or dedicated cloud. :contentReference[oaicite:27]{index=27}

🧠 Notes

• License Type: The product is typically distributed under the GPL (GNU General Public License)</strong) for source code access as noted by some distributors. :contentReference[oaicite:28]{index=28}
• Customization Tips:
  • Rebrand landing page, dashboard UI, app icon and package name of gateway app for your own brand. :contentReference[oaicite:29]{index=29}
  • Add additional gateways or message channels (e.g., email, push notifications) for broader communications.
  • Implement device-health monitoring and auto-fallback logic if a gateway device goes offline.
  • Ensure compliance: when using Android device as SMS gateway check local regulations and carrier policies for bulk messaging. :contentReference[oaicite:30]{index=30}
• SEO & Business Assurance: While the platform is primarily internal/administrative, you can create a marketing website around it using clean URLs, blog posts about “bulk SMS SaaS platform”, “android SMS gateway” to attract traffic. The platform’s landing page builder helps with that. :contentReference[oaicite:31]{index=31}
• Experience & Real-World Relevance: Using Android devices as SMS gateways is a practical cost-saving alternative to commercial SMS API providers. Zender captures that real-world insight, making it more than just a generic script—it aligns with actual operations of SMS gateways and SaaS communications. :contentReference[oaicite:32]{index=32}