Reliable Bulk SMS Solutions for Businesses
Reliable delivery is what separates a good bulk SMS service from the rest. Our bulk SMS service sends your messages through direct operator connections on load-balanced, HTTPS-secure infrastructure, so campaigns go out on time and OTPs arrive in seconds.
Every message on our bulk SMS service is DLT-compliant. We help register your business, Sender ID and templates, then complete the PE–TM binding so operators accept your traffic.

1. Add contacts
Upload a contact list to the web panel or connect your system through the API — the first step for every bulk SMS service account with us.
2. Pick a template
Choose an approved DLT template and add personal details like names or amounts.
3. Send or schedule
Send instantly or schedule for the best time for your audience.
4. Track delivery
Every bulk SMS service campaign comes with real-time reports showing what was delivered, when, and on which network.
What you can send with our bulk SMS service
- Promotional SMS — offers and announcements to non-DND numbers
- Transactional SMS — alerts and updates to every number, 24×7
- Service SMS — renewals, reminders and consent-based offers
- OTP SMS — login and payment verification in seconds
Why businesses choose our bulk SMS service
- Direct routes to Jio, Airtel, Vi and BSNL
- Hindi and regional-language Unicode SMS
- Free HTTP API, plus SMPP for high volumes
- No setup fee — pay-as-you-go credits
- Help with DLT from day one
How much does a bulk SMS service cost? Pricing depends on the route (promotional or transactional) and your volume. With Fivo SMS there is no setup fee, credits are pay-as-you-go, and 18% GST is shown on every invoice — see current bulk SMS service rates.
Ready for a bulk SMS service in India that puts reliability first? Fivo SMS is a trusted bulk SMS service provider in India — contact us or view pricing.
What is Bulk SMS Service?
Bulk SMS is a messaging solution that allows businesses to send thousands or even millions of SMS messages simultaneously through a secure web-based platform or API integration. With SMS open rates exceeding 98% in India, bulk SMS remains the most effective digital communication channel for customer engagement, alerts, and marketing.
With Fivo SMS, you can:
- Send bulk SMS online in real-time to any Indian mobile number
- Track delivery reports instantly with live campaign analytics
- Manage contacts, groups, and campaigns from one dashboard
- Integrate SMS into your website, CRM, ERP, or mobile app via API
- Stay 100% compliant with TRAI DLT regulations — we manage it all
- Personalise messages using dynamic fields (Name, Order ID, Amount etc.)
- Schedule campaigns in advance for any date, time, and time zone
- Send OTP SMS with sub-5-second delivery on all Indian networks
Our bulk SMS platform is designed for startups, SMEs, large enterprises, e-commerce businesses, banks, schools, hospitals, government departments, real estate companies, logistics providers, and any business that needs to communicate with customers at scale across India.
Start Free TodayAdvantages of Bulk SMS Services
Trusted, reliable, efficient, and cost-effective messaging for Indian businesses
Why is Bulk SMS Worth Investing in?
The benefits of bulk SMS services are endless. With a 98% open rate, SMS is the most reliable and cost-effective strategy to reach a mass audience — far ahead of email, push notifications, and social media advertising.
Bulk SMS Service Features
Create, send, and manage all your SMS campaigns from one powerful platform
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Smart Dashboard
Manage campaigns, templates, contacts, and reports from one centralized control panel with real-time analytics.
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DLT Template Mapping
Easily map approved DLT SMS templates under your registered Principal Entity ID for seamless TRAI compliance.
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Regional Language SMS
Send Unicode SMS in Hindi, Tamil, Telugu, Kannada, Marathi, Bengali, Gujarati, and all Indian regional languages.
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Dynamic Personalisation
Upload Excel files and insert dynamic fields: Hi {Name}, your order {OrderID} of ₹{Amount} has been confirmed.
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High-Speed SMS Gateway
Our optimised infrastructure delivers SMS instantly — with direct operator connectivity to Jio, Airtel, Vi, and BSNL.
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Custom Sender ID
Use a DLT-registered, TRAI-approved 6-character alphanumeric Sender ID representing your brand identity.
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Contact Management
Upload, store, and manage contact lists effortlessly. Group contacts by segment, region, or campaign type.
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Long SMS Support
Send messages longer than 160 characters with automatic splitting and seamless multi-part delivery to the recipient.
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100% DLT Compliance
We adhere to the latest TRAI TCCCPR 2018 DLT regulations — PE registration, Sender ID, template registration, and PE-TM binding included free.
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Developer API Integration
Integrate our HTTP REST SMS API into your website, CRM, ERP, or mobile app. PHP, Python, Java, Node.js supported. Free documentation.
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SSL Secure Gateway
Our bulk SMS gateway is fully SSL-encrypted. Your data and your customers' data are protected at all times.
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Excel Plugin
Send bulk SMS directly from your Excel sheet with our plugin feature. Upload your contact file and send in one click.
What is a Bulk SMS Gateway?
A Bulk SMS Gateway is a technology infrastructure that connects your business system directly with Indian telecom operators — Jio, Airtel, Vi, and BSNL — to send and receive SMS messages in bulk volume, instantly and reliably.
Fivo SMS Gateway Provides:
- Direct telecom operator connectivity in India
- Multiple routing options for highest delivery
- Scalable infrastructure — from 1,000 to 1 crore SMS
- Real-time delivery reporting and analytics
- REST API-based automation and integration
- OTP priority routing — sub-5-second delivery
Gateway Benefits for Business:
- Increase customer engagement with instant alerts
- Boost sales with targeted promotional campaigns
- Improve communication efficiency with automation
- Reduce customer service calls with proactive SMS
- Maintain full TRAI DLT compliance on every send
- Get GST invoice for every purchase — ITC eligible
Types of Bulk SMS Services We Offer
Choose the right SMS route for your business communication needs
Promotional SMS
Promotional SMS is used to inform customers about the latest deals, discount coupons, product launches, seasonal offers, and marketing campaigns. Delivered to non-DND numbers between 9 AM – 9 PM.
- Reach opted-in customers with offers and discounts
- Delivered between 9 AM – 9 PM (TRAI guidelines)
- Numeric Sender ID assigned by operator
- Non-DND numbers only via Explicit route
- Ideal for retail, e-commerce, restaurants, events
Transactional SMS
Transactional SMS is used to send OTPs, order notifications, payment alerts, appointment reminders, and all time-sensitive service communications. DND-exempt — delivered 24×7 to all numbers.
- Delivered 24×7 — DND exempt, no time restrictions
- 6-character alphanumeric Sender ID (DLT-approved)
- OTP, alerts, confirmations, reminders
- Advanced DND filter — reaches all registered numbers
- Ideal for banks, hospitals, e-commerce, schools
🔒 OTP SMS Service
Sub-5-second OTP delivery for login authentication, payment verification, and two-factor authentication — on all Indian networks including rural areas via fallback routing.
OTP SMS Service →💬 WhatsApp Business API
Official WhatsApp Business API for Indian businesses — send rich media messages, automate customer conversations, and drive higher sales via India's most-used messaging app.
WhatsApp API →📲 RCS Business Messaging
Next-generation RCS messaging with rich cards, images, videos, and quick reply buttons. The future of business SMS — available now on the Fivo SMS platform for Android users.
RCS Messaging →
Promotional SMS Services — Reach Customers with Offers & Campaigns
Fivo SMS Promotional SMS Services help businesses reach customers instantly with offers, discounts, product launches, seasonal deals, and marketing campaigns. SMS marketing remains one of the most powerful tools for driving engagement and increasing conversions in India's mobile-first market.
Our easy-to-use bulk SMS platform allows you to send thousands of promotional messages in minutes, deliver discount codes and festive offers, upload contacts via Excel or dashboard, schedule campaigns in advance, track real-time delivery reports, and personalise messages using dynamic fields such as Name, Order ID, and City. We provide secure routing and reliable delivery to ensure your promotional SMS campaigns reach the right audience at the right time.
Transactional SMS Services — Instant Alerts, OTP & Service Notifications
Fivo SMS Transactional SMS Services are designed for sending critical alerts, OTP verification codes, order confirmations, payment receipts, appointment reminders, and service notifications. Transactional SMS ensures secure, real-time communication between your business and customers — delivered 24×7, DND exempt, on all Indian networks.
Our advanced SMS gateway uses priority routing technology to guarantee fast and reliable delivery. Use Transactional SMS for: OTP verification codes, banking alerts and payment confirmations, order status updates, account notifications, appointment reminders, and system-generated operational alerts.
Why Choose Fivo SMS for Your Bulk SMS Service?
Bulk SMS services designed to deliver millions of SMS with guaranteed reliability across India
Direct Telecom Operator Connectivity
Fivo SMS has direct connectivity with all four major Indian telecom operators — Jio, Airtel, Vi, and BSNL. Multiple operator routes are used to divide load and deliver SMS quickly and reliably, even during peak traffic periods.
Personalised Bulk SMS
Customise every SMS with customer-specific dynamic fields — name, order ID, amount, appointment date, or any variable from your database. Send personalised messages at scale without any manual effort.
Real-Time Reporting
Live delivery reporting dashboard — check SMS delivery status, failed counts, DND blocks, and campaign performance analytics instantly after sending.
Mobile-Friendly Interface
Send bulk SMS campaigns directly from your mobile device using our responsive, mobile-optimised web panel — anywhere, any time.
Cost-Effective Pricing
Starting from ₹0.14 per SMS — India's most competitive bulk SMS pricing with no monthly fees, no lock-in, 12-month credit validity, and full GST invoice for ITC claim.
100% DLT Compliant
Full TRAI TCCCPR 2018 compliance — PE registration, Sender ID, template registration, and PE-TM binding — all managed free for every Fivo SMS customer.
Instant OTP Delivery
Sub-5-second OTP delivery via priority SMS routing across all Indian telecom networks — including network fallback for rural areas and low-signal locations.
Free API Integration
REST API with complete documentation, sandbox testing, and free integration support — PHP, Python, Java, Node.js, .NET, and all major platforms supported.
24/7 India Support
India-based support team available 24/7 via phone, email, and WhatsApp — for DLT guidance, API integration, billing, and all technical queries.
DLT Compliance & TRAI Guidelines — Everything Managed Free
All bulk SMS in India must comply with TRAI TCCCPR 2018 regulations. Fivo SMS handles your complete DLT compliance at no additional cost.
DLT Registration
Complete Principal Entity (PE) registration on TRAI DLT portal — guided support for all required documents and approvals.
DLT Guide →Sender ID Approval
Register your 6-character alphanumeric brand Sender ID on DLT portal for transactional and promotional routes.
Sender ID Guide →Template Registration
Register all SMS templates with pre-tagged variables — mandatory from October 2024 under TRAI Variable Tagging Mandate.
Template Guide →PE-TM Binding
Complete the PE-TM binding chain linking your company to Fivo SMS as your authorised Telemarketer — mandatory for all commercial SMS.
Binding Guide →Bulk SMS for Every Industry in India
Purpose-built DLT-compliant bulk SMS solutions for 20+ industry sectors across India
How to Get Started with Fivo SMS Bulk SMS in 4 Steps
Sign Up & Create Your Account
Register your business on Fivo SMS — share your company name, contact details, and GST number for invoice generation. Account creation is free with no upfront payment required.
Complete DLT Registration
Register your company as a Principal Entity on the TRAI DLT portal and register your Sender ID and SMS templates. Fivo SMS provides complete, free guided support through the full DLT registration process. Read our DLT guide →
Purchase SMS Credits
Choose a credit package from ₹2,360 (10,000 SMS) to ₹82,600 (5,00,000 SMS). 18% GST included. GST invoice issued for ITC claim. Credits valid for 12 months. No hidden fees. View pricing →
Send Your First Bulk SMS Campaign
Upload your contact list, select your DLT-registered template and Sender ID, and send your campaign via the Fivo SMS web panel or REST API. Real-time delivery reports are available instantly.
FAQs — Bulk SMS Service in India
Get Started with Fivo SMS Today
📞 Contact Fivo SMS
Start Your Bulk SMS Service in India Today — Free Setup
India's most affordable, DLT-compliant bulk SMS platform. Transactional SMS, Promotional SMS, OTP, WhatsApp API. No monthly fees. 12-month credit validity.
📞 Contact Us Today 💰 View SMS Pricing 📄 DLT Registration GuideHow Can we Partner Up?
From the very first day to the very last day, we make sure we provide you the best of our services with effective communication, skilled team members and a lot of passion for marketing. Contact Us Now.
Call Us And Discuss Your Project With Our Experts Today
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