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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 ⚡

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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.

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WhatsApp Business API

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

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RCS Messaging

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

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Voice Broadcasting

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

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Smart IVR Solution

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

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Business Automation

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

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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

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