Trusted by 2000+ Enterprises

SMS API, Bulk SMS & OTP SMS Provider for Businesses

Secure & reliable SMS messaging for developers and enterprises. Send OTPs, transactional SMS, and promotional messages with fast delivery in just 2–6 seconds. Every day, our clients count on us for guaranteed delivery.

iSAKOMM certified DoT approved ISO 27001 certified ISO Certified • DoT Approved • PCI-DSS Compliant
Airtel Platinum Telecom Partner, 100% Money Back Guarantee, Meta Business Partner, ISO 27001 Certified

Direct Operator Connectivity

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2000+
Enterprises Served
120ms
API Latency
3.2s
Avg OTP Delivery
99.99%
Uptime

Trusted by 5,000+ global businesses

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What Is Bulk Messaging Service?

Bulk SMS, or Bulk Messaging, lets businesses of any size send a large number of SMS to a group of recipients at once. It's commonly used for transactional and promotional SMS — offers, reminders, alerts and other updates — reaching a registered audience instantly. You can send bulk SMS from an Android app, a web-based dashboard, or a secure HTTPS API.

Bulk SMS Service Features

Powerful features to manage, automate, and scale your SMS communication

Promotional & Transactional SMS

Send promotional offers, OTPs, alerts, and transactional SMS instantly with high delivery speed and reliability.

Check DND Integrated

Automatically filter DND (Do Not Disturb) numbers and target only eligible users for better campaign performance.

Multiple SMS Campaigns

Run multiple SMS campaigns simultaneously without interruption, managed efficiently from a single account.

Schedule SMS Campaigns

Schedule bulk SMS campaigns in advance to save time, reduce manual effort, and improve customer engagement.

Resend SMS

Resend failed messages automatically to ensure maximum delivery and protect campaigns from network issues.

3rd Party Integration

Integrate your SMS system with CRM, CMS, Zapier, Stripe, Google Sheets, Zoho and other platforms for seamless automation.

Benefits of Using Our Bulk SMS Service

Achieve greater results with small investments

Instant Delivery

Reach your clients instantly with real-time message delivery.

High Conversion Rates

SMS has higher open rates, leading to better engagement.

Targeted Audience Reach

Reach the right audience with DND-filtered campaigns.

Custom Message Templates

Create personalized SMS templates for better responses.

High Return on Investment

Achieve more sales with minimal marketing cost.

Why Use Smsgatewayhub's Bulk SMS Service?

Smart features, trusted support, and powerful technology to grow your business

Affordable Pricing

SMSGatewayHub provides high-quality bulk SMS services in India at the most affordable prices without compromising on speed or reliability.

Instant Setup

Start sending SMS instantly with our quick setup process and connect with your customers without any delays.

End-to-End Customer Support

Our expert support team is available 24×7 via phone, email, WhatsApp, and support tickets to assist you at every step.

Real-Time Reporting

Track SMS delivery status and campaign performance in real time using our advanced analytics dashboard.

API Integrations

Clean REST & SMPP APIs with ready SDKs make it simple to plug SMS into your existing systems.

Award-Winning Bulk SMS Service

Recognised for reliability and service quality by enterprises and industry bodies across India.

How To Work Smsgatewayhub's Bulk SMS Services?

Bulk SMS services enable businesses to send text bulk SMS to their target customer through web based platforms, APIs or Android app.

01

Account Setup

  • DLT registration required
  • Sender ID provided
  • SMS content approval
  • Control panel access
02

Create Message

Create, schedule, and send SMS campaigns instantly from the panel.

03

SMS Delivery

Messages are delivered instantly via multiple telecom operators.

04

Track Report

Track delivery status, analytics, and performance reports.

Types of Bulk SMS Services

Understand how different SMS types work for businesses

Example #1

Promotional SMS

Promotional SMS is a marketing and advertising method where businesses send text messages to promote their services or products. For example, a grocery online store may send a discount coupon to customers for their next purchase.

Example:

"Congratulations! You can use a 10% discount coupon on your next grocery purchase till 31 July 2023. Visit: https://promotion-sms to take advantage of this amazing offer."

Example #2

Transactional SMS

Transactional SMS are text messages sent by businesses to provide important information related to customer accounts or transactions, such as appointment reminders, order confirmations, and business updates.

Example:

"Dear Mohit, your appointment with Dr. Rajesh has been confirmed for 15 July at 2:00 PM. Thank you for choosing our clinic."

Example #3

OTP SMS

OTP SMS are used to send one-time verification codes for registration, login, payment authentication, and other secure processes. These messages help ensure safe and reliable user authentication.

Example:

"Your One Time Password (OTP) is 254870. It is valid for 90 seconds. Please keep your OTP confidential and do not share it with anyone. Thank you, BOB Banking."

Who Should Use Smsgatewayhub's Bulk SMS Services

Bulk SMS helps businesses quickly and efficiently reach their target customers across banking, healthcare, retail and more — for engagement, marketing and brand awareness.

Banking & Finance
IT & ITES
Education Tech
Automobile
Consumer Goods
Logistics
Travel & Hospitality
Media & Advertisement
Consulting Services
Retail Shop
E-Commerce Business
Insurance
Government & Utilities
Food & Beverages
FMCG
Healthcare
Beauty Services
Web CRM & ERP

Use Cases Of Smsgatewayhub's Messaging Bulk SMS Service

Powerful SMS solutions designed for every business need

Case #1

Marketing Bulk SMS Campaign

Bulk SMS is the most reliable, effective and cost-efficient way to run promotional and marketing campaigns at scale.

Case #2

OTP Verification SMS

Secure and instant OTP delivery for login, signup and transaction authentication across platforms.

Case #3

Appointment Reminder

Automated appointment reminders help reduce no-shows and improve customer engagement effortlessly.

Case #4

Billing & Payment

Send billing alerts, invoices and payment confirmations instantly to keep customers informed.

Case #5

Survey & Feedback

Collect customer feedback and surveys easily after service or purchase using bulk SMS.

Case #6

Status Updates

Keep customers updated with order status, delivery tracking and service notifications in real time.

What our Clients say about us

From seed-stage startups to listed enterprises — billions of messages, one trusted partner

5.2B+
MESSAGES DELIVERED
2,000+
ENTERPRISE CUSTOMERS
200+
COUNTRIES REACHED
4.8/5
GOOGLE REVIEWS
★★★★★

"The attention to detail across all our SMS campaigns is genuinely impressive — support responds in minutes, not hours."

Dazzle Healer Front-end Developer
★★★★★

"This UI kit saved us weeks of design work, and the delivery reliability behind it has been rock solid for every campaign."

Crystal Molden UI/UX Designer
★★★★★

"Intuitive, high quality, and priced fairly for every project we've thrown at it, from OTPs to full campaigns."

Mirana Marci 3D Designer
★★★★★

"The colour of our brand messages finally looks polished everywhere — consistent, clean, and easy to maintain."

Bimosaurus Graphic Designer

You Ask, We Answer!

Didn't find what you were looking for? Contact SMSGatewayHub for a customized response!

Bulk SMS lets you send thousands of text messages to customers at once through an API or web panel, routed directly through telecom operators for fast, reliable delivery.
Promotional SMS covers offers, discounts and marketing updates. By TRAI regulation it can only be sent between 9 AM and 9 PM to non-DND numbers.
Transactional SMS covers essential service alerts — OTPs, confirmations, reminders — and can be sent any time, including to DND-registered numbers, once DLT-registered.
Generate an API key from your dashboard, then call our REST or SMPP endpoint with your message, sender ID and recipient list — our docs include ready SDKs for PHP, Node and Python.
Only DLT-registered transactional and service-implicit messages can reach DND numbers. Promotional messages are blocked on DND numbers by regulation.
Yes — OTP traffic runs over encrypted API calls with dedicated high-priority routing, so codes reach users in seconds with no third-party exposure.
Rates start from ₹0.10 per SMS depending on volume and route — check our Pricing page for a full breakdown by message type.
All data is encrypted in transit and at rest across ISO 27001-certified infrastructure, with strict access controls and no third-party data sharing.
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