Guide
Which WhatsApp AI assistant should a small business in India use?
Pick by the job, not the brand. To answer customers automatically inside the WhatsApp Business app, try Meta’s own Business AI first, if your business is eligible. To send offers to thousands of customers and share one inbox with a team, use a WhatsApp API platform such as WATI, AiSensy or Interakt. To keep your own books, bookings, staff payments and stock just by sending WhatsApp messages, use an owner’s assistant such as Kalki for Business from goKalki. Many businesses end up with two: one tool facing customers and one for the back office.
In short
- There are four kinds of WhatsApp tool for businesses, and each does a different job.
- Meta’s Business AI, launched in India in May 2026, answers customers inside the WhatsApp Business app. It does not keep your accounts.
- WATI, AiSensy and Interakt run on the WhatsApp Business API: broadcasts, a team inbox and chatbot flows, billed as a monthly plan plus Meta’s charge per message.
- Khatabook and Vyapar are separate apps for udhaar, bills and GST invoices. You open them and type.
- Kalki for Business works for the owner inside WhatsApp: you tell it the day’s sales, bookings and payments, and it keeps the book. ₹1,999 a month, first 3 days free.
The four kinds of WhatsApp tool, side by side
Most comparisons put every WhatsApp product in one list, as if they all did the same thing. They do not. The first question is who the tool talks to: your customers, or you.
| Kind of tool | Examples | Who it talks to | Best for | What it costs | How you start |
|---|---|---|---|---|---|
| Customer-facing AI in the WhatsApp Business app | Meta Business AI | Your customers | Answering questions, suggesting products, taking leads and appointments | Meta’s launch announcement gave no price; eligibility criteria apply | WhatsApp Business app, Tools tab, “Your Business AI” |
| WhatsApp API platforms | WATI, AiSensy, Interakt, Gallabox | Your customers, in bulk | Offers to opted-in customers, a shared team inbox, chatbot flows | A monthly plan, roughly ₹1,000 to ₹3,000 for entry plans, plus Meta’s charge per message | Sign up, register a number on the WhatsApp Business API, get message templates approved |
| Ledger and billing apps | Khatabook, Vyapar | Nobody: you type into the app | Udhaar, invoices, GST bills, stock lists | Free to start, with paid plans | Install the app and enter your data |
| Owner’s assistant on WhatsApp | Kalki for Business (goKalki) | You and your staff | The day’s money, bookings and advances, staff pay, stock, GST figures for your CA | ₹1,999 a month with 3,000 messages; first 3 days free | Send a WhatsApp message |
Prices are as listed or reported in October 2026 and change often. Check each company’s own site before you pay.
Meta’s Business AI: an assistant for your customers
In May 2026 Meta launched Business AI inside the WhatsApp Business app in India. It replies to customers round the clock using your profile and catalogue, recommends products, captures leads and books appointments, in Indian languages, and you can take over any chat yourself. Meta says a business must meet certain criteria to get it, and that UPI payments inside the chat are coming.
What it does not do is look after you. Meta describes it as customer support, not bookkeeping: your sales register, your advances, what you owe your staff and what is left in stock are not part of it. If your main problem is unanswered customer messages, start here. If your main problem is the diary, the Excel sheet or the month-end hisaab, it will not help with that.
WATI, AiSensy and Interakt: for broadcasts and a team inbox
These companies are WhatsApp Business API providers. They suit a business that messages a lot of customers: sending offers to an opted-in list, sharing one inbox between several staff, and building chatbot flows for the common questions. Several of them also sell AI agents as an add-on.
Two things to know before you sign up. The bill is the plan plus Meta’s charge for each conversation or template message, so it grows with your volume. And setup takes some work: a number registered on the API, message templates approved by Meta, and flows built by you or the provider. For a shop or studio with a few dozen customer chats a day, that is often more than it needs.
Khatabook and Vyapar: apps for udhaar and bills
Khatabook began as a digital udhaar ledger and sends payment reminders to your customers. Vyapar is billing and accounting software that makes GST invoices and tracks inventory. Both are well established, with free versions and paid plans.
The catch is the habit. Both are apps you open and type into, usually at the end of a long day. Owners who already live in WhatsApp often go back to the notebook. That is the gap an assistant inside WhatsApp is built to fill.
Kalki for Business: an assistant for the owner
Kalki for Business is an AI assistant you message on WhatsApp, the way you would message a munim or a manager. You type “aaj 4500 ki sale, 1200 ka maal aaya”, or send a voice note or a photo of a bill, and it writes each entry into one book: money in and out, bookings with their advances and balances, what each staff member, crew member or vendor is owed, and stock, with a warning before anything runs low.
It prepares the month’s GST figures for your CA, who files the return. It sends a plan at 8 in the morning, a check at 7 in the evening and a report every Monday, and gives you Excel or PDF files whenever you ask. On day one it asks about your business and sets itself up for your trade.
It does not send broadcasts, and it is not a replacement for a customer-facing AI. If you also want customers answered on your own number, goKalki’s team sets up a front desk add-on that answers from your prices and stock and puts orders into the same book. It is priced per business.
Which one to choose, by situation
Start from the problem that costs you the most time or money this month:
- Customers ask the same questions all day and some go unanswered: Meta’s Business AI in the WhatsApp Business app, if you are eligible.
- You send offers or updates to hundreds or thousands of customers: a WhatsApp API platform such as WATI, AiSensy or Interakt.
- You need proper GST invoices printed at the counter: a billing app such as Vyapar.
- Your accounts, bookings, advances and staff payments live in your head, a diary or scattered chats: an owner’s assistant such as Kalki for Business.
- You have two of these problems: use two tools. A customer-facing AI and an owner’s assistant do not get in each other’s way.
Trying Kalki for Business
If the back office is your problem, try Kalki for Business for 3 days free, with no card. Send your first message and it asks what your business is, then sets itself up for your trade: photographers, wedding planners, makeup artists, salons and coaching centres get a book made for their work, and every other business gets the general book.
After the trial it costs ₹1,999 a month with 3,000 messages included. It works in English and 11 Indian languages, typed or as voice notes, and you can cancel any time at app.gokalki.com.
Kalki for Business
Your business assistant
Money, bookings and stock. Said once.
Meet Kalki for BusinessQuestions
What is the best WhatsApp AI assistant for a small business in India?
It depends on the job. Meta’s Business AI answers customers inside the WhatsApp Business app. WATI, AiSensy and Interakt handle broadcasts and team inboxes on the WhatsApp Business API. Kalki for Business from goKalki keeps the owner’s books, bookings, staff payments and stock from WhatsApp messages. Many businesses use one customer-facing tool and one for the back office.
Is Meta Business AI free?
Meta’s May 2026 announcement for India did not give a price, and it said a business must meet certain criteria to use it. Look in the Tools tab of your WhatsApp Business app to see whether it is offered to you.
Is Kalki a chatbot like WATI or AiSensy?
No. WATI and AiSensy are platforms for messaging your customers in bulk and running chatbot flows. Kalki for Business is an assistant for the owner: you message it, and it keeps your accounts, bookings and stock. A separate front desk add-on can answer your customers.
Can I use Meta Business AI and Kalki together?
Yes. Meta’s Business AI answers customers in your WhatsApp Business app, and Kalki keeps your book in a separate chat. They do different jobs.
Can Kalki replace Khatabook or Vyapar?
For keeping sales, expenses, udhaar, advances, staff pay and stock, often yes, because you only send a WhatsApp message. If you need printed GST invoices at the counter, a billing app still does that job; Kalki prepares the month’s GST figures for your CA.