Bulk Messaging & SMS Gateway
Scale your customer outreach across India with high-speed transactional SMS, instant OTP routes, WhatsApp Business messaging, and targeted bulk email pipelines.
Deliver Messages Directly into Customers' Hands
Bulk messaging is the high-concurrency dissemination of communications to thousands of mobile endpoints simultaneously. Used widely by financial institutions, eCommerce portals, healthcare providers, and consumer brands, it drives mission-critical operational and promotional engagements.
At RS Technosys, our carrier-grade API gateways provide 99.9% uptime, sub-3-second OTP delivery speeds, real-time DLR reports, and full DLT compliance across all telecom operators in India.
Supported Gateway Protocols & Channels:
Enterprise Gateway Highlights
Engineered to support millions of daily pings with automated failover and dynamic carrier load-balancing.
- Sub-3-Second Delivery SLA: Dedicated low-latency routes for time-sensitive OTPs and two-factor authentication.
- DLT Header & Template Approval: Complete assistance with TRAI DLT registration and template whitelisting.
- Live Delivery Reports (DLR): Instant visual analytics on sent, delivered, failed, and queued transmissions.
- CRM & ERP Plug-and-Play: Simple REST API integration with Spring Boot, PHP, Node, and Python backends.
- Scheduled & Contact Book Broadcasts: Effortless CSV/Excel contact imports with personalized tags.
Multi-Channel Communication Suite
Reach your audience across their preferred channels with automated, high-deliverability gateways.
Bulk SMS Gateway
High-speed transactional routes, promotional blasts, and instant OTP delivery across India to verify user identities and send real-time alerts.
- Instant 6-Character Sender IDs
- Transactional & Promotional Routes
- Unicode Support (Regional Hindi)
- Automated Retry on Unreachable Numbers
WhatsApp & Social Messaging
Engage users on interactive Web 2.0 social channels with rich media templates, digital PDF invoices, interactive buttons, and chatbot workflows.
- Official WhatsApp Business API
- Interactive CTA Quick-Reply Buttons
- Rich Media (Images, PDFs, Videos)
- Automated Customer Support Bots
Bulk Email Service
High-throughput standalone SMTP and web-based email distribution infrastructure engineered for optimal inbox placement and zero blacklisting.
- SPF, DKIM, DMARC Verified IPs
- Responsive HTML Newsletter Templates
- Click & Open Rate Analytics
- Automated Unsubscribe Management
Let's Connect Your Application to Our Gateway
Connect directly with our API and messaging specialists in Bhopal for testing credentials, DLT registration guidance, and custom volume pricing.
Get Gateway Access