Bulk SMS Smarter with Smartflo

Reach Your Customers Instantly. Stay Top of Mind.
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Whether you’re running a shop, clinic, school, or startup — SMS is still the fastest and cheapest way to reach people in India.
Promote offers, send reminders, or just stay connected. We’ve got you covered.

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    98% Open Rate within 3 minutes

    Pan India Delivery

    2-Way Messaging Options

    Works for Every Industry

    DLT Compliant + Secure

    What is Bulk SMS?

    Bulk SMS is the easiest way to send one message to hundreds or thousands of people — at the same time. Whether you're running a sale, sending a reminder, or sharing an update, SMS reaches your audience directly on their phone within seconds.

    No internet needed. No app required. Just pure delivery — fast and reliable.

    Talk to Our SMS Expert

    Bulk SMS Services We Offer

    A2P Messaging

    Auto messages from your app to users. Great for alerts, OTPs, and reminders.

    Promotional SMS

    Perfect for offers, sales, events, and updates. Reach thousands in one click.

    Transactional SMS

    Send order updates, account alerts, invoices, or confirmations.

    SMS API

    Plug into your CRM, app, or website. Send messages from your system directly.

    Global SMS

    Need to message customers abroad? We deliver worldwide — with language support.

    RCS Messaging

    Go beyond plain text — send rich media (images, buttons, branding).

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    Types of Bulk SMS You Can Use

    Different goals need different types of SMS. Here’s what you can send:

    Promotional SMS

    Use this to promote offers, discounts, sales, or events. It’s perfect for reaching a large audience and boosting footfall or clicks.

  • Used for: Flash sales, festive offers, product launches
  • Sent between: 9 AM – 9 PM (as per TRAI rules)
  • DLT Required: Yes

    • Transactional SMS

    Send important info like order confirmations, delivery updates, OTPs, or account alerts.

  • Used for: Banking alerts, eCommerce updates, appointment reminders
  • 24x7 Delivery: Yes, including DND numbers
  • DLT Required: Yes

    • OTP SMS

    One-time passwords for secure login, transactions, or verification. Speed is everything here — we deliver in seconds.

  • Used for: Login, signup, payments
  • Instant Delivery: Yes
  • DLT Required: Yes

    • Service Implicit SMS

    Non-marketing messages related to existing service or user action. Useful for loyalty updates, feedback requests, or info sharing.

  • Used for: Booking confirmations, account balance updates
  • 24x7 Delivery: Yes
  • DLT Required: Yes

    • Service Explicit SMS

    These are marketing-like messages sent with prior user consent — like surveys, promotional alerts to subscribed users.

  • Used for: Offers to existing customers, satisfaction surveys
  • DND Allowed: Yes, if opted-in
  • DLT Required: Yes

    • International SMS

    Send messages across borders. Works best for businesses with global customers or branches abroad.

  • Supports multi-language
  • Complies with international telecom standards
  • Use for: Shipping alerts, international orders, global OTPs

    • Who Can Use This?

    Different goals need different types of SMS. Here’s what you can send:

    Retail & Shops

    Run offers, new stock alerts

    Hospitals & Clinics

    Appointment and test report reminders

    Schools & Colleges

    Fee alerts, class timings, event updates

    Corporates

    HR updates, internal communication

    Ecommerce

    Delivery, order, and payment updates

    Startups & SaaS

    Onboarding, trial reminders, upsells

    Let’s Get Your SMS Campaign Started

    You’re just one click away from better engagement, more calls, and faster results.

    Talk to Our SMS Expert

    Smart Features Built for You

    • Schedule SMS Campaigns
    • Personalized Messages with Names, Cities, etc.
    • Live Delivery Reports & Tracking
    • CRM/API Integration Support
    • 2-Way Messaging Option
    • DLT Registration Help
    • Send in Hindi, English, and more
    Talk to Our SMS Expert

    We sent one bulk SMS campaign and got 120+ calls within a day. It paid for itself!

    Ravi Verma,

    Furniture Store Owner

    Bulk SMS helped us remind patients about appointments. No more last-minute cancellations.

    Dr. Shalini Gupta,

    Pediatric Clinic

    How Bulk SMS Works

    A Simple, 3-Step Messaging System

    Step 1: Upload Contacts

    Customer uploads a contact list using a simple dashboard. It can be a CSV file or manual input.
    💡 Example: 1000+ numbers uploaded in seconds.

    Step 2: Compose Your Message

    You write a message or choose a template — add personalization like name, order ID, or links.
    💡 Smart tags & emojis supported!

    Step 3: Hit Send & Track

    Press send! Messages go instantly. Real-time delivery reports, open rates, and click stats appear on your dashboard.
    💡 Automated. Fast. Global.

    Thousands of Businesses Trust Smartflo

    Send Messages at Scale in Just a Few Clicks

    Bulk SMS lets you instantly reach thousands of people at once. Just upload your contact list, type your message, and hit send — the system takes care of the rest. Track delivery and see real-time performance with smart analytics.

    Get Started With Free Trial

    Works With the Tools You Already Use

    Link Smartflo to WhatsApp, Zoho, Google Sheets, CRMs, and more. We make it all connect smoothly.

    Frequently Asked Questions

    Got Any Questions? Read Here! Before You Contact Us. ...

    You send a message to many people at once using our platform or your app.

    Promotional is for marketing. Transactional is for alerts, updates, and account info.

    Yes! And we’ll guide you step-by-step through DLT registration.

    100%. Our API is super easy to use.

    Yes, you can set the date and time for auto-send.

    Yes. You can track every message sent, delivered, or failed.

    Yes! We support Unicode, so you can message in any Indian language.

    Of course! Our team will help from Day 1.