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Promotional SMS
Send campaigns, offers, and updates instantly to boost engagement and sales.
Transactional SMS
Deliver OTPs, alerts, and transactional messages with fast, reliable delivery.
OTP SMS Services
Secure user authentication with instant OTPs for logins, registrations, and transactions.
API Integration
Integrate our Bulk SMS API with your website, app, CRM, or ERP for automated messaging.
Connect with your Audience Instantly!

Powerful Features that Drive Business Growth
Instant SMS Delivery
Powerful Features that Drive Business Growth
High Delivery Success
Our reliable SMS gateway ensures messages reach customers quickly, improving engagement and maximizing campaign effectiveness.
Personalized SMS Campaigns
Create personalized SMS campaigns using customer data to increase engagement, response rates, and overall customer satisfaction.
Secure API Integration
Integrate Bulk SMS with your CRM, ERP, website, or mobile application to automate messaging and streamline business communication.
Real-Time Reports & Analytics
Track message delivery, campaign performance, and customer engagement with detailed reports to optimize your SMS marketing strategy.
Start Sending SMS in 4 Simple Steps
How It Works
Upload Contacts
Import your customer database quickly via Excel, CSV, or integrate via API.
Compose SMS
Draft your message, add personalization tags, and select regional languages if needed.
Schedule or Send Instantly
Hit send for immediate delivery or schedule the campaign for a future date and time.
Track Delivery Reports
Analyze the success of your campaign through our real-time analytics dashboard.
Benefits of Bulk SMS
Discover why businesses trust SMS marketing over other channels:

Which businesses use our bulk SMS?
Manufacturing
Send production updates, employee notifications, dealer communication and customer alerts instantly.
Retail Industry
Promote offers, discounts, festive campaigns, and loyalty rewards to increase customer engagement.
E-commerce
Deliver OTPs, order confirmations, shipping updates, delivery notify, and promotional messages.
Healthcare Industry
Send appointment reminders, health alerts, prescription notifications, and patient updates securely.
Finance
Deliver secure OTPs, transaction alerts, payment reminders, and account notifications in real time.
Logistics
Keep customers informed with shipment updates, delivery notify, and driver communication.
Travel
Send booking confirmations, check-in reminders, and exclusive promotional offers.
Education Institutions
Notify students and parents about admissions, exams, fee reminders, and important announcements.
Why Businesses Choose Bulk SMS
Bulk SMS remains the most direct, reliable, and cost-effective channel.

Fast Communication
Reach your entire customer base within seconds, not hours.

Personalized Campaigns
Address customers by name and send targeted offers to improve conversions.

Easy Integration
Connect our SMS gateway with your CRM, ERP, or website seamlessly.

Campaign Analytics
Measure the exact ROI of your campaigns with comprehensive data.

Reliable Delivery
Premium routing guarantees your messages bypass spam filters.
Secure Messaging
End-to-end security for sensitive OTPs and transactional data.
Bulk SMS service at a glance
Here is what our bulk SMS service covers, what it costs and how quickly you can start sending.
| Service | Promotional SMS, transactional SMS, OTP SMS and bulk SMS API |
|---|---|
| Who it is for | Shops, clinics, schools, manufacturers and any business that messages customers |
| Compliance | DLT registration of your sender ID and templates, as required by TRAI |
| Starting price | From ₹0.15 per SMS (GST extra); the rate depends on route and volume |
| Typical timeline | Sending usually starts within 2–5 days, once DLT registration is approved |
| Provider | ICore Software Technologies, Coimbatore. In business since 2010; rated 4.7 out of 5 from 153 Google reviews. |
What does our bulk SMS service include?
- Promotional and transactional SMS routes
- OTP delivery for logins and transactions
- An API for your website, app, CRM or ERP
- Personalised messages using customer data
- Scheduled campaigns
- Real-time delivery reports
How do you start sending bulk SMS with ICore?
- Register your sender ID and templates on DLT; we help with the steps.
- Upload contacts from Excel or CSV, or connect through the API.
- Write the message and add personalisation.
- Send now or schedule it.
- Check delivery reports on the dashboard.
Powering Your Digital Transformation
Frequently Asked Questions
What bulk SMS services does ICore offer?
Promotional SMS, transactional SMS, OTP SMS services and bulk SMS API integration with your website, app, CRM or ERP for automated messaging.
How reliable is delivery?
Our SMS gateway uses premium routing so messages reach customers quickly and bypass spam filters, with real-time delivery and campaign analytics.
Can I integrate bulk SMS with my CRM or ERP?
Yes. Our bulk SMS API integrates with your CRM, ERP, website or mobile app to automate OTPs, alerts and campaigns and streamline business communication.
Should I use bulk SMS or bulk WhatsApp?
Use bulk SMS for OTPs, transactional alerts and universal reach on any phone. Use bulk WhatsApp for rich-media promotional campaigns and two-way conversations.
How much does bulk SMS cost?
Bulk SMS starts from about ₹0.15 per message. Transactional and OTP routes cost a little more than promotional ones, and larger volumes get lower rates.
What is DLT registration?
TRAI requires every business that sends bulk SMS in India to register its sender ID and message templates on a DLT platform. We help you complete it before your first campaign.
What bulk SMS services does ICore offer?
Promotional SMS, transactional SMS, OTP SMS services and bulk SMS API integration with your website, app, CRM or ERP for automated messaging.
How reliable is delivery?
Our SMS gateway uses premium routing so messages reach customers quickly and bypass spam filters, with real-time delivery and campaign analytics.
Can I integrate bulk SMS with my CRM or ERP?
Yes. Our bulk SMS API integrates with your CRM, ERP, website or mobile app to automate OTPs, alerts and campaigns and streamline business communication.
Should I use bulk SMS or bulk WhatsApp?
Use bulk SMS for OTPs, transactional alerts and universal reach on any phone. Use bulk WhatsApp for rich-media promotional campaigns and two-way conversations.
How much does bulk SMS cost?
Bulk SMS starts from about ₹0.15 per message. Transactional and OTP routes cost a little more than promotional ones, and larger volumes get lower rates.
What is DLT registration?
TRAI requires every business that sends bulk SMS in India to register its sender ID and message templates on a DLT platform. We help you complete it before your first campaign.
What clients say about ICore (Google reviews)
I have received 700% more enquiries now and Thanks to ICore Software Technologies to help my business growth and new business concepts.
Professional, flexible and quality personified highly recommended

ICore has done a great job designing our new website. We are impressed overall with the SEO services and weekly social media post updates. After about three months we are really starting to see results on Google, along with an increase in the quality of leads we receive from the website.

ICore’s design and web work has provided a vast improvement in our site visits, service inquiries and ease of maintaining. Two years on, I still receive compliments on the clean, attractive design and easy navigation. Our customer growth has increased — thanks to the team for hearing our needs.

An awesome experience working with the ICore team. They were very professional and dedicated, and understood my needs perfectly. They put together an SEO plan and AdWords campaign that exceeded my expectations, and our website visitors have been increasing month by month.
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