Channels ▾
SMS RCS Voice WhatsApp
Pricing Payment DLT Help
Company ▾
About Us Contact Us Help Center
Login & Sign Up
India's Trusted Omni-Channel Platform

The All-in-One Messaging Platform
Built for Indian Businesses

Reach, engage & convert customers via SMS, Voice, WhatsApp & RCS — Get ₹10 Free Credit after signup ⚡

Unlock Your Free Credits Book a Free Demo
700M+ Messages Delivered
5000+ Business Clients
99.9% API Uptime
NESARK
SMS
WhatsApp
RCS
Voice
OTP
DLT
Our Channels

Services That Drive Growth

Our solutions empower your marketing strategy to drive business growth effectively across every channel.

Bulk SMS

Send instant messages to thousands of customers with 90%+ open rates, ensuring maximum engagement and conversions.

Get Started →
WhatsApp Business API

Automate customer interactions with verified WhatsApp messaging for seamless, two-way business communication.

Get Started →
RCS Messaging

Upgrade to rich, interactive messages with images, videos and action buttons for a superior customer experience.

Get Started →
Voice Broadcasting

Deliver automated voice calls for promotions, OTPs, and customer notifications with high accuracy and reach.

Get Started →
Smart IVR Solution

Handle customer calls intelligently with our IVR system. Save time and boost customer satisfaction automatically.

Get Started →
Business Automation

Automate daily workflows, operations and customer tasks to save time, reduce errors and boost productivity.

Get Started →
Why Nesark

Why Businesses Choose Nesark for Growth

The most innovative, simple and comprehensive omni-channel platform to keep you connected with your customers.

Powerful Dashboard
Send bulk messages and manage everything from a single intuitive place.
Targeted Reach
Expand your campaigns and reach thousands of customers instantly.
Real-Time Reports
Access in-depth analytics to monitor results and optimize campaigns.
Dedicated Team
A personal team member assigned to you for weekly support calls.
bulksms.nesark.com/dashboard
Nesark Dashboard
24/7Platform Support
99%Delivery Rate
LiveReal-Time Analytics
Developer API

Integrate any application in minutes with our full-featured APIs

  • Enables Gateway to send Bulk SMS/WhatsApp/RCS directly from your website, application or any web-based system
  • Integrate SMS/WhatsApp/RCS delivery into any application or workflow with our robust API framework
  • Common API practices and developer documentation with code samples makes implementation easy
  • Send transaction updates, OTP or any important notifications through APIs
See API Documentation → 
{
  "sender": "NESARK",
  "to":     "91XXXXXXXXXX",
  "text":   "Hello, World!",
  "type":   "TRANS"
}

// Response
{
  "id":         "58d63c02-XXXX-XXXX-XXXX",
  "totalCount": 1,
  "message":    "Message Sent Successfully!",
  "error":      null
}
Get Started

Connect your app to Nesark in 4 easy steps

Instant delivery. Real-time reports. Zero hassle.

STEP 01
Sign Up
Create your account and access the Nesark dashboard
STEP 02
Get API Key
Access Developer settings to generate your API key
STEP 03
Integrate
Add the API to your app using our code samples
STEP 04
Go Live
Send messages to your customers instantly
FAQ

Frequently Asked Questions

Everything you need to know about Nesark's bulk SMS, WhatsApp, RCS & Voice services for Indian businesses.

Nesark is India's all-in-one omni-channel messaging platform trusted by 5000+ businesses since 2018. It offers Bulk SMS, WhatsApp Business API, RCS Messaging, Voice Broadcasting, OTP SMS, and Smart IVR — all in a single dashboard. Nesark is fully DLT compliant as per TRAI regulations.

Yes, Nesark is fully DLT (Distributed Ledger Technology) compliant as per TRAI regulations. All SMS campaigns follow the DLT registration process mandated by Indian telecom authorities. Nesark also provides a complete DLT registration guide to help businesses get started quickly.

Getting started is simple and free. Sign up on Nesark, receive ₹10 free credit instantly (no credit card required), generate your API key from the dashboard, integrate using our ready-made code samples, and start sending messages to your customers right away.

Nesark offers transparent pricing with zero hidden charges for Bulk SMS, WhatsApp API, RCS, and Voice services. View the complete pricing plans at nesark.com/pricing-plan. New users get ₹10 free credit after signup to test the platform before committing.

Yes, Nesark provides official WhatsApp Business API integration for Indian businesses. It enables automated customer interactions, two-way messaging, verified business profiles, and rich media messaging — all compliant with WhatsApp's policies and ideal for customer support, OTP delivery, and marketing campaigns.

RCS (Rich Communication Services) is the next evolution of SMS — allowing businesses to send interactive messages with images, videos, carousels, and action buttons directly in the native messaging app. Nesark fully supports RCS messaging for Indian businesses, delivering a far superior experience compared to plain SMS.

Yes, Nesark provides a powerful REST API that integrates with any application, CRM, or business software. Full API documentation is available for SMS API, WhatsApp API, Voice API, and OTP API. Our developer portal provides ready-to-use code samples in multiple programming languages.

Nesark guarantees 99.9% API uptime and has delivered 700 million+ messages to date. The platform provides real-time delivery reports, instant notifications, and in-depth campaign analytics so businesses can track and optimise every campaign with complete visibility.

Start Smarter Communication with Zero Hidden Charges

Sign up now and get ₹10 free credit instantly. No credit card required.

Unlock Your Free Credits Talk to an Expert