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Many small businesses in India already sell through WhatsApp. At some point, someone suggests "getting the API", usually along with a monthly quote. This guide helps you decide whether you actually need it.
Prices and features were verified on 7 November 2026, so check the official sites for the latest. Quoted prices may or may not include tax. This is general information, not legal, tax or financial advice.
What is the difference between the WhatsApp Business app and the API?
The WhatsApp Business app is a free-to-download app for small businesses to talk to customers from their phone. The API, officially the WhatsApp Business Platform, lets software send and receive WhatsApp messages. An API is a connection that lets two software systems talk to each other, so it needs other software or a developer to use it.
| Point of comparison | WhatsApp Business app | WhatsApp Business Platform (API) |
|---|---|---|
| Cost | Free to use | Charged per delivered message |
| Setup | Download and register | Developer skills, or a partner |
| Best for | A small team replying by hand | Automation, integrations and scale |
| Automation | Greeting and away messages, quick replies | Whatever your software or partner builds |
| Connects to your systems | Limited | Yes, through development or a partner |
| Partner fees | None needed | May apply, and vary |
What can the free WhatsApp Business app do?
For many small businesses, the app covers the basics. Its feature page lists these tools:
- Catalog: a mobile showcase of your products or services, which you can share as a link.
- Quick replies: saved shortcuts for messages you send often.
- Labels: tags that organise and filter your chats.
- Greeting messages: an automatic welcome for new customers.
- Away messages: automatic replies outside your business hours.
To help customers reach you, our free WhatsApp link and QR code generator makes a click to chat link and a printable code for your counter or visiting cards.
The likely limit is workload. If your team can still read and answer every chat, and nothing needs to connect to your other software, the app may well be enough.
How much does the WhatsApp API cost in India?
You pay Meta per delivered message, and the rate depends on the message type and the recipient's country. Free Press Journal reported these India rates in September 2026, before tax. Meta publishes the current figures in its rate cards, so check there before you budget.
| Message type | What it is for | Reported rate per message |
|---|---|---|
| Marketing | Offers and promotions | ₹0.8631 |
| Utility | Order and appointment updates | ₹0.115 |
| Authentication | One-time login codes | ₹0.115 |
| Service | Replies to customers who messaged you | 1,000 free per number each month, then ₹0.115 |
Free Press Journal also reports that GST is charged on top. Volume discounts can apply to utility and authentication messages. Messages that are sent but not delivered are not charged, according to Meta's pricing rules.
Here is what that means at the reported rates, before tax and any partner fees:
| Example month | Calculation | Meta charge |
|---|---|---|
| 1,000 promotional messages | 1,000 × ₹0.8631 | ₹863.10 |
| 5,000 order updates | 5,000 × ₹0.115 | ₹575 |
| 3,000 customer service replies | 2,000 charged × ₹0.115 | ₹230 |
Partner pricing varies widely and is not something we can quote here, so ask each one for a monthly total using your own message volumes.
There is one timing rule to know: you can send free-form replies only within 24 hours of a customer's last message. After that, you must use a template, which is a pre-written message format.
When do you actually need the WhatsApp API?
Consider the API when messaging has become a system rather than a conversation. These signs suggest it may be worth pricing:
- Several staff need to work from one number, and the app no longer fits how they work.
- You want order, booking or delivery updates sent automatically from your software.
- Chats should create records in your CRM or billing system.
- You want a chatbot to answer common questions and pass the rest to a person.
- Your volume of opted-in messages is more than a team can reasonably handle by hand.
If none of these sound familiar, we would stay with the app for now. That is our opinion rather than a rule, and it is worth revisiting as you grow.
If automation does make sense, keep the first version small, such as one order update or one common question. Our API integration page explains how we approach connecting systems.
What are the rules for messaging customers on WhatsApp?
Get permission before you message someone, on the app or the API. WhatsApp's business policy says you may contact people only if they gave you their number and opted in, and you must honour requests to stop. Breaking these rules can limit your messaging or lose you the account, which could be costly if WhatsApp is your main sales channel.
- Make it clear what people are agreeing to receive, and keep a record.
- Avoid messaging purchased or scraped number lists.
- Give an easy way to opt out, and act on it.
If you are unsure how privacy law applies to your customer data, ask a qualified professional.
Brand names and trademarks belong to their respective owners. Criza Labs is not affiliated with the companies mentioned unless stated.
Sources
All pages were accessed on 7 November 2026.
- Frequently asked questions, WhatsApp Business
- WhatsApp Business app features, WhatsApp Business
- Pricing on the WhatsApp Business Platform, Meta for Developers
- WhatsApp Business Messaging Policy, WhatsApp Business
- How much does India have to pay for WhatsApp messages from October 1?, Free Press Journal, updated 30 September 2026
Frequently asked questions
Is the WhatsApp Business API free?
There is no extra fee to access the platform directly, but Meta charges per delivered message. Direct access requires developer skills, and partners may charge additional fees for their services or tools. Compare the full monthly cost, not only the message rate.
How much does a WhatsApp marketing message cost in India?
Free Press Journal reported ₹0.8631 per marketing message in India, before tax, in September 2026. Rates can change, so confirm the current figure on Meta's India rate card before you plan a campaign. A partner's fees may be added on top.
Can I send bulk messages from the WhatsApp Business app?
The app is designed for direct conversations from a small team. Whichever you use, only message people who have given you permission, and give them a way to opt out. Sending unwanted messages can get your account limited or removed.
Can I keep my number if I move from the app to the API?
It may be possible. Meta's documentation lists an option for Business app users called coexistence, so ask your developer or partner what currently applies to your number. Confirm what happens to your chats and app access before you change anything.
Do customers pay to message my business?
Meta's pricing rules say users messaging a business are never charged by this pricing. Ordinary mobile data charges may still apply on the customer's own plan.
My business already uses the API. What do I need to do about INR billing?
Meta's documentation says eligible India-based customers must move their accounts to INR billing by 31 December 2026, or message delivery stops from 1 January 2027. Ask your partner or check your Meta account now, so that you have time to fix any problem.
