🟢 Live · Trusted Since 2002 · 99.9% Uptime
India's #1 Bulk
SMS & WhatsApp
Platform
Reach millions instantly with Bulk SMS, WhatsApp, RCS Messaging & VoIP Services. Power your business communication with the most affordable rates in India.
2002
Est. Year
1L+
Customers
10K+
Resellers
99.9%
Uptime
📱
CheapSMS.in Dashboard
Real-time Messaging Platform
📢 Promotional SMS
Special Diwali Offer! Get 50% OFF on all products. Visit our store today. Reply STOP to unsubscribe.
Delivered ✓✓ · 2.3M Sent
🔐 OTP SMS
Your OTP is 847291. Valid for 10 mins. Do not share with anyone.
Delivered ✓✓ · 0.3s delivery
💬 WhatsApp
Hello! Your order #12345 has been shipped and will arrive tomorrow. Track here 👉
Read ✓✓ · 98% open rate
About Us
20+ Years of Messaging Excellence
Since 2002, CheapSMS.in has been powering India's businesses with reliable, affordable, and cutting-edge messaging solutions.
We are India's most trusted bulk messaging platform, serving enterprises, SMEs, startups, and individual businesses with a comprehensive suite of communication tools. Our state-of-the-art infrastructure ensures 99.9% uptime and lightning-fast delivery across all channels.
2002
Since
1 Lakh+
Satisfied Customers
10,000+
Resellers
50Cr+
SMS Sent Monthly
99.9%
Uptime SLA
24/7
Support
⚡
Get Instant Demo Access
Experience the power of CheapSMS.in platform absolutely free. No credit card required.
✅ Free trial credits included
✅ Full platform access
✅ Dedicated account manager
✅ Setup in under 5 minutes
✅ All services unlocked
No commitments. Cancel anytime.
Messaging
📱 Bulk SMS Services
Industry-leading SMS delivery with the best rates and highest reliability in India
Promotional / Marketing SMS
Supercharge your marketing campaigns with high-volume promotional SMS delivered directly to your target audience.
- Blast millions of SMS within minutes to any mobile network
- Customizable sender IDs for brand recognition
- Schedule campaigns for optimal delivery timing
- Supports Unicode for regional language messages (Hindi, Tamil, etc.)
- Real-time delivery reports and click-through analytics
- DLT registered and TRAI compliant messaging
- Segment audiences with smart contact management
- Lowest cost-per-message rates in India starting at ₹0.10/SMS
- Opt-out management and NDNC compliance built-in
- API integration with CRM, e-commerce & marketing tools
Transactional / OTP SMS
Mission-critical transactional messaging with sub-second delivery for OTPs, alerts, and notifications 24/7.
- Ultra-fast OTP delivery in under 3 seconds guaranteed
- 24/7 delivery even to DND registered numbers
- Dedicated routes for highest priority delivery
- 99.99% delivery rate with intelligent fallback routing
- Secure encrypted message transmission
- Pre-approved templates for instant DLT compliance
- Multi-factor authentication (MFA) SMS support
- Bank-grade security with end-to-end encryption
- Retry logic for undelivered messages
- Seamless REST API integration in any language
Spam / Gaming Messaging
Specialized messaging solutions for gaming platforms, fantasy sports apps, and high-volume alert systems.
- High-throughput routes for gaming notifications and alerts
- Win/loss alerts, tournament updates and live score notifications
- Fantasy sports platform SMS integration
- International number routing for global gaming audiences
- Dedicated short codes for gaming brand recognition
- Player onboarding and KYC verification OTPs
- Deposit, withdrawal, and transaction alerts
- High concurrency handling for peak game times
- Smart throttling to avoid carrier blocks
- Real-time delivery tracking dashboard
Casino Messaging
Compliant casino and online gaming SMS solutions with offshore and international routing capabilities.
- International routes bypassing domestic restrictions
- Casino registration and welcome bonus notifications
- Live dealer game alerts and jackpot notifications
- Responsible gambling limit alerts and reminders
- Multi-country delivery for global casino platforms
- Account verification and security OTP delivery
- Promotional offers and VIP member updates
- Offshore number masking for sender privacy
- GDPR and international compliance ready
- Dedicated account manager for casino clients
WhatsApp
💬 WhatsApp Messaging Solutions
Engage customers on the world's most popular messaging platform with rich media, high open rates & powerful APIs
Bulk WhatsApp Messaging
Send bulk WhatsApp messages to thousands with rich media support and 95%+ open rates.
- Send to thousands of contacts simultaneously
- Rich media support: images, videos, PDFs, audio
- 95%+ open rate vs 20% for email
- Interactive buttons and quick reply templates
- No spam filters — direct inbox delivery
- Broadcast lists for segmented audiences
- Schedule messages for peak engagement times
- Bulk import contacts via CSV/Excel
- Real-time read receipts and analytics
- Affordable pricing with no per-session fees
Bulk WhatsApp API
Developer-friendly API to integrate WhatsApp messaging into any application, CRM, or platform.
- RESTful API with comprehensive documentation
- SDKs for PHP, Python, Node.js, Java, .NET
- Webhook support for real-time delivery updates
- Send text, images, videos, docs via API
- Multi-device session management
- Rate limit handling and auto-retry logic
- Sandbox environment for development testing
- Integration with Shopify, WooCommerce, Salesforce
- High throughput — up to 100 msg/sec
- 99.9% API uptime SLA guaranteed
WhatsApp Business API
Official Meta-verified WhatsApp Business API for enterprise-grade communication with green tick verification.
- Official Meta BSP (Business Solution Provider)
- Green tick verified business profile
- Unlimited conversation sessions
- Pre-approved message templates
- Two-way conversational messaging
- Chatbot and AI automation integration
- Multi-agent customer support inbox
- Product catalog sharing and shopping
- Payment links and transaction messages
- Enterprise SLA with dedicated support
Next-Gen
🌐 RCS Messaging
The future of SMS — Rich Communication Services with app-like experiences in the native messaging app
RCS (Rich Communication Services) Messaging
Upgrade your SMS campaigns to interactive, branded RCS messages with rich media, carousels, and verified sender profiles — no app download needed.
- Rich media: images, videos, GIFs, and carousels in native SMS app
- Verified business sender profile with brand logo
- Interactive action buttons (call, directions, URL, reply)
- Read receipts and delivery confirmations
- Product catalog carousels for e-commerce
- Conversational two-way messaging capability
- Works on all Android devices with Google Messages
- Automatic fallback to SMS for non-RCS devices
- Higher engagement rates vs standard SMS
- TRAI compliant RCS messaging routes
- Analytics: impressions, clicks, conversions
- Integration with Google's RCS Business Messaging platform
- Retail, banking, travel & hospitality use cases
- Competitive per-message pricing with volume discounts
Voice
🎙️ Voice Call Services
Automated bulk voice calls, OTP voice delivery, and IVR solutions for mass reach
Bulk Voice Calls & IVR
Reach your audience with automated voice calls, voice OTPs, and interactive voice response systems at scale.
- Bulk automated voice broadcasting to millions
- Text-to-speech in 20+ Indian and global languages
- Pre-recorded audio message campaigns
- Voice OTP as fallback for SMS OTP delivery failures
- IVR (Interactive Voice Response) system setup
- Click-to-call and callback solutions
- Real estate lead calling automation
- Political campaign and survey voice blasts
- Outbound dialer with CRM integration
- Detailed call analytics: answered, hung-up, busy reports
- Caller ID masking for privacy protection
- Competitive per-minute rates from ₹0.15/call
📞
Why Choose Voice Calls?
📈 Higher recall vs SMS — voice is 5x more memorable
🌍 Reach feature phone users with no smartphone needed
🔐 Voice OTP is impossible to screen-capture or phish
⚡ Instant delivery — calls connect in under 5 seconds
VoIP & Cloud
🛠️ VoIP & Cloud Communication Services
Enterprise-grade telephony solutions: DID numbers, Cloud PBX, MS Teams, and more
VoIP Services
- HD voice quality over internet infrastructure
- SIP trunk provisioning for business PBX
- Unlimited concurrent call channels
- International call termination at lowest rates
- Failover routing for 100% call continuity
- Compatible with Asterisk, FreeSWITCH, 3CX
- Real-time CDR and call analytics dashboard
- Fraud detection and call screening built-in
- Number portability support across operators
- Dedicated Tier-1 carrier connections
DID / Toll Free Numbers
- 1800 & 1860 toll-free numbers for customer support
- DID numbers across 100+ countries worldwide
- Local presence numbers in any Indian city
- Virtual phone numbers for remote teams
- Instant number provisioning online
- Route calls to any mobile, landline, or SIP
- Call recording and voicemail included
- SMS-enabled DID numbers available
- Porting existing numbers with zero downtime
- Bulk number purchasing for call centers
DID Reseller Panel
- White-label reseller platform with your branding
- Provision DID numbers to sub-resellers instantly
- Markup control — set your own pricing
- Real-time inventory of 50,000+ DIDs globally
- Automated billing and invoice generation
- API access to integrate with your platform
- Multi-level reseller hierarchy support
- 24/7 technical support for resellers
- Competitive wholesale DID pricing
- No minimum monthly commitment required
Cloud PBX Services
- Fully hosted PBX — no hardware required
- Extensions for unlimited remote employees
- Auto-attendant and IVR menu builder
- Call queuing, ACD, and ring groups
- Voicemail-to-email transcription
- Conference calling for up to 200 participants
- CRM integration (Salesforce, HubSpot, Zoho)
- Call recording with cloud storage
- Mobile softphone app for iOS & Android
- Analytics: call volumes, wait times, agent KPIs
MS Teams Direct Routing
- Make/receive PSTN calls directly from MS Teams
- No Microsoft Calling Plans subscription needed
- Cost savings of 40-60% vs Microsoft native calling
- Bring your own carrier (BYOC) for Teams
- Session Border Controller (SBC) managed service
- Local number retention with Teams migration
- Emergency calling (E911/999) compliance
- Teams-certified SBC infrastructure
- Seamless integration with Teams Admin Center
- Microsoft certified and fully compliant
A2P SMS Services
- Application-to-Person (A2P) SMS via Tier-1 routes
- Grey route free — only clean, compliant traffic
- Global A2P delivery to 200+ countries
- SMPP, HTTP & REST API connectivity options
- Wholesale A2P pricing for aggregators
- High throughput: 1,000+ SMS per second
- MNP (Mobile Number Portability) lookups included
- HLR number validation to reduce delivery failures
- Anti-spoofing and sender ID authentication
- Dedicated A2P routes for banking and finance
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