We provide the most reliable and affordable bulk SMS solutions for businesses of all sizes
Our SMS are delivered within seconds with high delivery rates across all networks.
Cheapest Bulk SMS Provider starting at just ₹0.30 per SMS with no hidden costs.
Simple API integration for developers with comprehensive documentation and support.
Comprehensive messaging solutions for all your business needs
Send promotional and transactional messages to thousands of recipients instantly with our reliable bulk SMS service.
Deliver secure authentication OTPs to your users with our lightning-fast, high-delivery OTP gateway.
Implement secure WhatsApp authentication and deliver OTPs directly to your users' WhatsApp apps.
Providing quality service since 2023
Compare our Regular SMS and WhatsApp SMS rates
| Amount | Regular SMS Cost | WhatsApp SMS Cost | Validity |
|---|---|---|---|
| ₹100 - ₹3,999 | ₹0.30 | ₹0.10 | Unlimited |
| ₹4,000 - ₹7,999 | ₹0.27 | ₹0.09 | + 6 Months |
| ₹8,000 - ₹13,999 | ₹0.25 | ₹0.08 | + 6 Months |
| ₹14,000 - ₹59,999 | ₹0.23 | ₹0.07 | + 12 Months |
| ₹60,000 - ₹129,999 | ₹0.20 | ₹0.06 | + 12 Months |
| ₹130,000 - ₹599,999 | ₹0.18 | ₹0.05 | + 12 Months |
| ₹600,000 or more | ₹0.16 | ₹0.04 | + 24 Months |
Contact our sales team for volume discounts and enterprise solutions
Our SMS solutions are tailored to meet the needs of various industries and business sizes
Affordable SMS solutions to help your startup grow
Perfect for personal branding and small businesses
Connect with students and parents effectively
Enterprise-grade SMS solutions with high reliability
Robust APIs for seamless integration with your apps
Signup in Less Than 2 Minutes
The experts behind BLACK SMS Service who make it all happen
CEO & Founder
10+ years experience in telecom industry with expertise in SMS solutions.
Chief Technology Officer
Expert in API development and integration with major telecom providers.
Trusted by thousands of businesses across India
"BLACK SMS has transformed our customer engagement. Their delivery rates are exceptional and the pricing is unbeatable. Highly recommended!"
E-commerce Business Owner
"The API integration was seamless and their support team helped us every step of the way. Our OTP delivery is now lightning fast!"
Tech Startup Founder
"We've tried multiple SMS providers but BLACK SMS offers the best value for money. Their bulk SMS service has helped us reach thousands of customers instantly."
Marketing Director
Find answers to common questions about our SMS services
Simply click on the "SIGNUP NOW" button, fill in your details, and start testing our services immediately. The entire process takes less than 2 minutes.
We offer various SMS types including:
All SMS types are DLT registered and comply with TRAI regulations.
Our SMS rates start from as low as ₹0.30 per SMS for bulk messaging. The exact rate depends on your volume and SMS type. We offer competitive packages with no hidden costs.
💡 Pro tip: Check our pricing table for detailed rates and choose the package that best suits your needs.
We provide a simple REST API with comprehensive documentation. Our API supports multiple programming languages including PHP, Python, Java, and Node.js. Our technical team is available to assist with integration.
curl -X POST https://blacksms.in/sms
-H "Authorization: Your-API-Key"
-H "Content-Type: application/json"
-d '{"sender_id": "Sender id", "variables_values": "123456", "numbers": "9876543210"}'
Still have questions? We're here to help!
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