India's #1 SMS Marketing and Alerts Platform

Bulk SMS is an essential tool for businesses looking to connect with their audience efficiently and effectively. With Nesark’s advanced bulk SMS solutions, you can send high volumes of messages simultaneously to multiple recipients, streamlining communication for marketing campaigns, promotions, reminders, OTP, alerts, notifications, and updates. Our distributed carrier network and intelligent routing ensure the highest delivery and lowest latency. DLT Registration is Mandatory.

Reach Your Audience Instantly with Bulk SMS

Deliver fast, reliable, and high-impact messages directly to your customers with our Bulk SMS solutions.

Promotional SMS service by Nesark for marketing campaigns, offers, and customer engagement

Promotional SMS

Grow your business with promotional SMS Marketing campaigns. Reach potential customers with attractive offers, discounts, and promotions. Send out bulk promotional SMS, such as product launches, offer details, general awareness, and any upcoming event alerts or greetings on any special occasions, etc.

Transactional SMS

Bulk SMS Plans provide transactional SMS gateways for instant delivery. Our cost-effective and reliable transactional SMS gateways serve our customers 24*7 across India and several countries across the globe. Send order confirmations, OTPs, and other critical information with ease.

Transactional SMS service by Nesark for instant payment alerts, order confirmations, and customer updates
Illustration of OTP SMS service with API integration, DLT required by TRAI - Nesark

OTP Verification

OTP SMS services are used to provide you with a reliable, fast and secure solution for user authentication. Designed with a user friendly interface for securing online transactions, authenticating users and the security of your data.

  • Verifying user accounts with OTP/2FA.
  • Resetting passwords.
  • Confirming online transactions.

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Businessman climbing growth chart beside smartphone with SMS icon, representing business expansion through Bulk SMS marketing and communication services.

Boost Your Business with Bulk SMS

In today’s competitive market, reaching your customers instantly is key. Nesark’s Bulk SMS Marketing service helps you connect with your audience in real time — straight to their mobile phones. Whether it’s promotions, updates, alerts, or OTPs, our SMS service ensures your message is delivered fast and reliably.

  • 90%+ Open Rate
  • Instant Delivery
  • Cost-Effective Reach
  • Personalized Messaging
  • API Integration Ready

Frequently Asked Questions

Got Any Questions? Read Here! 

Sender id is a SIX alphabet identity which can represent your company or product etc. It is compulsory to use in Transactional SMS.
Promotional SMS: SMS which have an objective to promote your product or services and are sent to only Non-DND numbers. Transactional SMS: SMS which are delivered on DND as well as Non-DND numbers.
You can use unlimited contacts in a file to send SMS.
Yes, the entire customer database is safe on the panel.
Unlimited cost free sender ids can be added.
You can add unlimited templates, it's free.
You can use upto 160 letters for a single SMS.You can even use more than that also depending on the credits.
.CSV format.
Our panel has a UNICODE feature so you can send SMS in any language.
Yes, use ‘Send later' option to schedule SMS for later.
Using the transactional route you can send SMS on DND numbers. Promotional route does not allow SMS on DND numbers.
Absolutely! NESARK provides developer-friendly APIs and documentation, making it easy to integrate our platform with your existing systems or applications. Our APIs allow you to incorporate our communication functionalities seamlessly.

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