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Bulk SMS Service Provider in India – SMSDOOT by Redn Technologies

Published Aug 29, 2026 Last reviewed Aug 29, 2026 Mohammad Amanullah 6 min read 39 views

Last reviewed on August 29, 2026 by Mohammad Amanullah.

Introducing SMSDOOT, a new Bulk SMS and SMS API platform by Redn Technologies. Send OTPs, transactional alerts, promotional campaigns and bulk messages with easy API integration, DLT support, affordable pricing and reliable delivery for businesses across India.

Bulk SMS Service Provider in India - Bulk SMS Service Provider in India – SMSDOOT by Redn Technologies

Redn Technologies Pvt. Ltd. is proud to introduce SMSDOOT, our new business communication platform designed to make SMS communication simple, fast and scalable for businesses, startups, government organizations and enterprises across India.

From sending thousands of promotional messages to delivering OTPs and important transactional alerts, SMSDOOT provides Bulk SMS, OTP SMS, Transactional SMS, Promotional SMS, DLT Services and SMS API Integration through a single platform.

Whether you operate a hospital, school, eCommerce business, government department or software platform, SMSDOOT can help automate and manage your SMS communication.

What is SMSDOOT?

SMSDOOT is a Bulk SMS and SMS API Service Provider in India developed by Redn Technologies Pvt. Ltd.

It provides businesses with a centralized platform to send, schedule, automate and manage SMS communication. Developers can also integrate SMSDOOT APIs directly into websites, mobile applications, CRM, ERP and custom software.

SMSDOOT Services

  • Bulk SMS
  • OTP SMS
  • Transactional SMS
  • Promotional SMS
  • SMS API Integration
  • DLT Registration Support
  • Sender ID / Header Assistance
  • Content Template Assistance
  • Scheduled SMS Campaigns
  • SMS Delivery Reports
  • Customer Notifications & Alerts

SMSDOOT Bulk SMS Pricing

We offer simple Bulk SMS packages suitable for organizations with different messaging requirements.

Package SMS Credits Price
Starter 25,000 SMS ₹5,000
Business 50,000 SMS ₹8,000
Professional 1,00,000 SMS ₹14,000

GST: 18% extra as applicable.

DLT & Support Services

DLT Registration: ₹6,000/year
DLT & SMS Platform Support: ₹5,000/year

For enterprises and organizations requiring higher SMS volumes, customized pricing can be provided based on requirements.

Sign Up on SMSDOOT

Why Choose SMSDOOT?

Fast SMS Communication

Reach customers directly on their mobile phones for important notifications, OTPs, reminders and business updates.

Easy SMS API Integration

Integrate SMS functionality into your website, mobile app, CRM, ERP or other business software.

Scalable for Growing Businesses

Start with thousands of SMS credits and scale your messaging requirements as your business grows.

OTP & Authentication

Use SMS APIs to automate mobile verification, registration, login, password reset and other authentication workflows.

DLT Support

Get assistance with DLT registration, Sender ID / Header and SMS content templates required for business messaging in India.

Automated Notifications

SMSDOOT can be used to automate communication based on events inside your application.

  • New Order → SMS Confirmation
  • Appointment Booked → Confirmation SMS
  • Payment Received → Payment Alert
  • User Registration → OTP Verification
  • Order Dispatched → Delivery Update

Scheduled SMS Campaigns

Prepare SMS campaigns in advance and schedule them for the required date and time.

Delivery Reporting

Monitor SMS campaigns and delivery information from the platform instead of manually managing customer communication.

Industries We Serve

Government & Public Sector

Government departments, municipal bodies, public institutions and government organizations can use SMSDOOT for citizen notifications, public announcements, application updates, OTP verification, scheme notifications and departmental communication.

Hospitals & Healthcare

Hospitals, clinics, diagnostic centres, doctors and healthcare platforms can send appointment confirmations, reminders, patient OTPs, health camp notifications, payment alerts and follow-up reminders.

Schools, Colleges & Education

Educational institutions can use SMS for admission notifications, examination alerts, fee reminders, attendance notifications, result updates and important announcements.

eCommerce & Retail

Online stores and retail businesses can automate order confirmations, payment updates, delivery alerts, OTP verification, offers and customer engagement campaigns.

Banking, Finance & Fintech

Financial platforms can integrate SMS for OTP authentication, transaction notifications, payment reminders, account alerts and application updates.

Real Estate

Builders, property consultants and real estate businesses can use Bulk SMS for project launches, site visit reminders, lead follow-ups, payment reminders and promotional communication.

Logistics & Transportation

Logistics businesses can use SMSDOOT for shipment updates, dispatch notifications, delivery alerts, delivery OTPs and customer communication.

Travel & Hospitality

Hotels, travel agencies and booking platforms can send booking confirmations, cancellation notifications, payment alerts, travel reminders and promotional offers.

Restaurants & Food Delivery

Restaurants and food businesses can send order confirmations, delivery notifications, OTP verification, offers, discounts and loyalty campaigns.

Startups & SaaS Companies

Developers can integrate the SMSDOOT API into applications for login OTP, registration verification, password reset, transaction alerts, subscriptions and account notifications.

Enterprises

Large organizations can integrate SMSDOOT with CRM, ERP, HRMS, customer portals, mobile applications, billing platforms and internal enterprise software.

Benefits of Bulk SMS for Businesses

  • Direct Customer Reach: Communicate directly with customers on their mobile phones.
  • Faster Notifications: Send OTPs, transactional alerts, reminders and updates quickly.
  • Automation: Trigger SMS automatically from your website, app or software.
  • Reduced Manual Follow-ups: Automate appointment, payment, renewal and service reminders.
  • Better Customer Experience: Keep customers informed throughout their interaction with your business.
  • Marketing & Operations: Use SMS for both promotions and essential business communication.

SMS API for Developers

SMSDOOT can become the messaging layer of your application. Developers can integrate SMS functionality into Laravel, PHP, Node.js, Python, Java, Flutter apps, Android apps, CRM, ERP, eCommerce and SaaS applications.

User Action → Your Application → SMSDOOT API → SMS Delivered to Customer

  • Send OTP API
  • Mobile Number Verification
  • Registration Confirmation
  • Password Reset
  • Order Confirmation
  • Payment Confirmation
  • Appointment Confirmation
  • Appointment Reminder
  • Delivery Notification
  • Subscription Renewal Reminder
  • Lead Follow-up
  • Account Notification
  • Transaction Alerts
  • Custom Software Notifications

DLT Registration & Compliance Support

Organizations sending commercial SMS in India may need to complete applicable DLT requirements.

SMSDOOT can assist businesses with DLT Registration, Sender ID / Header, Content Template setup, SMS platform configuration and campaign or API integration.

Why SMSDOOT by Redn Technologies?

SMSDOOT is backed by the software development experience of Redn Technologies Pvt. Ltd., making it easier for businesses that require both custom software development and SMS integration.

Our development team can integrate SMSDOOT into existing websites, mobile applications, hospital management systems, school ERP, CRM software, eCommerce platforms, booking systems, government applications and custom enterprise software.

Who Should Use SMSDOOT?

  • Businesses that want to send Bulk SMS campaigns
  • Applications requiring OTP authentication
  • Websites and mobile apps requiring SMS integration
  • Organizations sending transactional alerts
  • Hospitals sending appointment reminders
  • Businesses sending payment and renewal reminders
  • Companies running promotional SMS campaigns
  • Organizations requiring DLT assistance
  • Businesses integrating SMS into CRM or ERP
  • Enterprises handling high-volume business messaging

Get Started with SMSDOOT

Ready to simplify your business SMS communication?

Whether you need 25,000 messages or enterprise-level SMS volumes, SMSDOOT can help you choose and configure a suitable solution.

Sign Up Now at SMSDOOT

Need assistance with DLT, SMS API integration or enterprise requirements? Our team can help with the complete setup.

SMSDOOT – Smarter Communication. Stronger Business.

A product of Redn Technologies Pvt. Ltd.

FAQ

Frequently Asked Questions

Which is the best Bulk SMS Service Provider in India?

SMSDOOT by Redn Technologies provides Bulk SMS, OTP SMS, Transactional SMS, Promotional SMS, SMS API integration and DLT support for businesses, startups, government organizations and enterprises across India.

What is a Bulk SMS service?

Bulk SMS is a business messaging service that allows organizations to send SMS messages to a large number of customers or users for notifications, alerts, reminders, updates and promotional communication.

How much does Bulk SMS cost in India?

SMSDOOT offers Bulk SMS packages starting from ₹5,000 for 25,000 SMS, ₹8,000 for 50,000 SMS and ₹14,000 for 1,00,000 SMS. GST is additional as applicable. Custom pricing may be available for higher volumes.

Does SMSDOOT provide Bulk SMS API in India?

Yes. SMSDOOT provides Bulk SMS API integration for websites, mobile applications, CRM, ERP, eCommerce platforms, SaaS products and custom business software.

Does SMSDOOT provide OTP SMS API?

Yes. SMSDOOT provides OTP SMS API solutions for mobile number verification, user registration, login authentication, password reset, booking verification and other authentication workflows.

Can I integrate SMSDOOT with my website?

Yes. SMSDOOT can be integrated with websites and web applications to automatically send OTPs, order confirmations, payment alerts, appointment reminders and other notifications.

Can SMSDOOT be integrated with mobile apps?

Yes. Developers can integrate SMSDOOT APIs with Android, Flutter and other mobile applications for OTP verification, authentication and automated customer notifications.

Can SMSDOOT integrate with Laravel and PHP?

Yes. SMSDOOT SMS APIs can be integrated with Laravel, PHP and other backend technologies to automate OTPs, alerts, notifications and transactional messaging.

Can SMSDOOT integrate with Node.js and Python?

Yes. Developers can integrate SMSDOOT with Node.js, Python, Java and other backend technologies using its SMS API.

What is Transactional SMS?

Transactional SMS is used to send important service or transaction-related information such as order confirmations, payment notifications, booking updates, appointment reminders and account alerts.

Does SMSDOOT provide Transactional SMS services?

Yes. SMSDOOT provides Transactional SMS solutions that businesses can integrate with their websites, mobile apps, CRM, ERP and other software systems.

Does SMSDOOT provide Promotional SMS services?

Yes. SMSDOOT provides Promotional SMS solutions for eligible marketing communication such as offers, discounts, product launches, campaigns and customer engagement, subject to applicable regulations and DLT requirements.

What is DLT registration for Bulk SMS?

DLT registration is part of India's telecom framework for commercial communication. Businesses may need to register their entity, headers or Sender IDs and content templates according to applicable requirements before sending commercial SMS.

Does SMSDOOT provide DLT registration support?

Yes. SMSDOOT provides assistance with DLT registration, Sender ID or Header setup, content template registration and SMS platform configuration.

Can government organizations use SMSDOOT?

Yes. Government departments and public-sector organizations can use SMSDOOT for citizen notifications, application updates, public announcements, OTP verification, scheme-related communication and other permitted messaging requirements.

Can hospitals use SMSDOOT for patient notifications?

Yes. Hospitals, clinics and healthcare platforms can use SMSDOOT for appointment confirmations, appointment reminders, patient verification OTPs, payment notifications and other patient communication.

Can schools and colleges use Bulk SMS?

Yes. Schools, colleges, universities and coaching institutes can use Bulk SMS for admission updates, examination alerts, fee reminders, attendance notifications, result updates and important announcements.

Can eCommerce websites use SMSDOOT?

Yes. eCommerce businesses can integrate SMSDOOT to send OTPs, order confirmations, payment notifications, dispatch alerts, delivery updates and permitted promotional communication.

Can real estate companies use Bulk SMS?

Yes. Real estate businesses can use Bulk SMS for project announcements, lead follow-ups, site visit reminders, payment reminders and permitted promotional campaigns.

Can SMSDOOT be integrated with CRM and ERP software?

Yes. SMSDOOT APIs can be integrated with CRM, ERP, HRMS, billing software, hospital management systems, school ERP, lead management platforms and other custom applications.

Does SMSDOOT support scheduled SMS campaigns?

Yes. Businesses can use scheduled SMS functionality to plan eligible campaigns, reminders and notifications for a future date and time.

Who can use SMSDOOT?

SMSDOOT can be used by startups, enterprises, government organizations, hospitals, schools, colleges, eCommerce businesses, financial companies, real estate businesses, logistics companies, travel businesses, restaurants and SaaS platforms.

Who developed SMSDOOT?

SMSDOOT is a business messaging product of Redn Technologies Pvt. Ltd., a software and technology company providing web, mobile application, custom software and digital solutions.

How can I start using SMSDOOT?

Businesses can visit smsdoot.com to sign up and explore Bulk SMS, OTP SMS, Transactional SMS, Promotional SMS, SMS API and DLT support services.

Mohammad Amanullah - Co-Founder, Redn Technologies Patna
Written By

Mohammad Amanullah

Co-Founder

8+ Years Patna,Bihar,India 100+ projects delivered

Mohammad Amanullah, cofounder of Redn Technologies Pvt Ltd, is a visionary technologist with 8+ years of experience. Since 2018, he has driven website development, software solutions, digital innovation, and business growth, helping brands build a strong digital presence while contributing to tech-led progress from Patna India with real impact.

Visionary Technologist Entrepreneur Website Development Software Development

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