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💬 WhatsApp Business API

Official WhatsApp Business API
for Indian Businesses

Meta-approved WhatsApp Business API. Send messages, run campaigns, automate support — with verified green tick branding. Transparent billing, no hidden charges.

Get Started Free ⚡ Book a Demo
Why WhatsApp API?

The Most Powerful Channel to Reach Your Customers

WhatsApp has 500M+ users in India alone. With Nesark's official Meta-approved API, your business gets a verified account, green tick, and the ability to send rich media messages at scale.

  • Official Meta-approved Business Account
  • Green tick verification (eligible businesses)
  • Send text, images, documents, videos
  • Pre-approved template messages
  • Monthly platform fee applies — see pricing
  • Meta conversation charges billed transparently from your wallet

💡 WhatsApp vs SMS — Why Switch?

WhatsApp messages have a 98% open rate vs SMS's 45%. Rich media support, two-way conversations, read receipts, and verified branding make WhatsApp the most effective business communication channel in India today.

📋 Message Categories
Utility: Post-purchase updates, billing notifications
Authentication: OTP, 2FA, account verification
Marketing: Promotions, offers, campaigns
Service: Customer-initiated conversations (free window)
Features

Everything in One WhatsApp Platform

Verified Business Account
Get your business officially verified by Meta with a green tick for maximum customer trust.
Bulk Broadcast Campaigns
Send WhatsApp messages to thousands of opted-in customers simultaneously from the web panel.
Chatbot & Auto-Reply
Automate customer interactions with intelligent chatbots and keyword-triggered auto-replies.
Multi-Agent Team Inbox
Multiple team members can handle customer conversations simultaneously from one shared inbox.
Delivery & Read Reports
Track message delivery, read receipts, and campaign performance with real-time analytics dashboard.
API Integration
REST API to send automated messages from your CRM, app, or website. Supports webhooks for 2-way messaging.
Message Examples

See What Your Customers Actually Receive

Real WhatsApp API message previews — rich media, buttons, quick replies, just like the real app.

← NESARK Chatbot ✏️
Save
Fallback
Flow Start
Hi×
Hello×
Help×
Media + Buttons
🛍️ Welcome to NESARK
× Track Order○
× Talk to Agent○
Message
This message will show the live order status
× Talk to an Agent ○
Request Intervention
Our Team will be in touch with you soon!
NESARK Flow Builder ✦
Chatbot Automation

Build Powerful Chat Flows — No Coding Needed

NESARK's visual flow builder lets you create multi-step WhatsApp chatbots with buttons, conditions, and automatic agent handoff — all from a drag-and-drop interface.

🔀
Visual Drag & Drop Builder
Create multi-step conversation flows with conditions, branches and quick-reply buttons — no developer needed.
🤖
Keyword & Button Triggers
Trigger flows when customers send specific keywords or tap quick-reply buttons. Works 24/7 without any agent.
👤
Seamless Agent Handoff
When a customer needs human help, the bot automatically transfers to your Team Inbox with full chat history.
🛒
E-commerce Ready
Send product catalogues, order updates, delivery slots and payment links directly inside the WhatsApp chat flow.
See Flow Builder Demo
🛒 WHATSAPP COMMERCE

Sell Products Directly
Inside WhatsApp

Transform WhatsApp into a full commerce channel — showcase your catalog, accept orders, and process payments without leaving the chat.

How It Works

From Signup to First Message in 24–48 Hours

NESARK handles the complete Meta verification and setup process — most businesses go live within 24–48 hours. You focus on your business.

Use Cases

How Businesses Use WhatsApp API

🛍️

Order Updates

Confirm orders, share tracking links, and notify delivery status automatically

🔐

OTP & Authentication

Send one-time passwords via WhatsApp for secure login and transaction verification

🎯

Marketing Campaigns

Promote offers, product launches, and seasonal deals to opted-in customers

🏦

Payment Reminders

Send EMI due dates, invoice reminders, and payment confirmation receipts

🎓

Education & Courses

Share study materials, assignment reminders, and exam schedules with students

🏥

Appointment Booking

Confirm appointments, send reminders, and collect feedback via WhatsApp

ℹ️ Important: Meta Conversation Charges

WhatsApp charges per conversation (24-hour window) are billed from your NESARK wallet at Meta's standard rates. NESARK charges a separate monthly platform fee for API access, dashboard, and support. View Meta's official pricing →

Got Questions?

Frequently Asked Questions

Everything you need to know about WhatsApp Business API with NESARK.

The WhatsApp Business API enables businesses to communicate with customers on WhatsApp at scale — sending bulk messages, automating replies, and managing customer conversations from a centralized platform. It is the official Meta-approved solution for business messaging.
No. Businesses pay for platform setup and messaging charges per conversation. Meta provides a free 24-hour service window for customer-initiated conversations. Marketing, utility, and authentication messages are charged per Meta's rate card. Nesark offers zero setup fee to get started.
You'll need: Business logo, SSL-verified website (with legal name, address, T&C, Privacy Policy), business email, GST/MSME/Incorporation certificate, PAN card, Aadhaar of business owner, a new Facebook account, and a fresh mobile number not linked to any existing WhatsApp.
Yes, but you must first delete the WhatsApp account linked to that number before onboarding. Go to WhatsApp Settings → Account → Delete my account. Note: Chat backups cannot be imported into your Nesark WhatsApp Business account.
Maximum 24–48 hours after submission of all relevant documents and Meta verification approval. Nesark's onboarding team assists you through every step to ensure fast approval.
Template Messages are pre-approved message formats used for sending notifications, promotions, or alerts to customers. All outbound business-initiated messages must use an approved template as per Meta's WhatsApp Business policy.
The green tick is awarded by Meta through their official verification process. Ensure your business information is accurate, your Facebook Business Manager is verified, and follow WhatsApp's guidelines to be eligible. View Meta's Green Tick Policy →
Yes! Nesark provides REST API access to integrate WhatsApp into your CRM, helpdesk, e-commerce platform, or any existing workflow. Full documentation and dedicated technical support is included.

Start Conversations That Convert

Join hundreds of Indian businesses using Nesark's WhatsApp API to engage customers at scale.

Get WhatsApp API Access View Pricing