WhatsApp marketing for B2B in India: what is allowed

Why WhatsApp marketing works for B2B in India

WhatsApp marketing works for Indian B2B sellers because their buyers already run their business on it. Distributors take orders there, retailers ask for rates there, and factories share dispatch photos there. But WhatsApp has rules for businesses, and the shortcuts sold as "bulk WhatsApp" get numbers banned. This guide covers what is allowed, and how to use WhatsApp with other businesses without losing the number your customers know.

The Business app or the Business Platform?

The WhatsApp Business app is free and made for small businesses messaging by hand. It gives you a business profile, a product catalogue, quick replies, labels, greeting and away messages, and broadcast lists. A broadcast reaches only the people who have saved your number, which keeps it to people who already know you.

The WhatsApp Business Platform, often called the API, is for messaging at scale. You use it through Meta directly or through a Business Solution Provider, and connect it to your order, billing or CRM software so several staff can answer from one number. Any message you start must use a template that Meta has approved, and may go only to people who have opted in. When a customer writes to you, you can reply freely for the next 24 hours. Meta charges for template messages, so check current pricing with your provider.

A simple rule of thumb: with a few hundred active buyers and one or two people replying, the app is enough. For thousands of retailers, automatic order updates or a team sharing one number, move to the platform.

Getting opt-in from business buyers

For WhatsApp business marketing to other firms, opt-in is easy to collect if you ask at the right moments:

• On a call: "Can I send our rate list on WhatsApp, on this number?" Note the yes and the date in your sheet.
• On paper and forms: a tick box on your order form, account opening form or website enquiry form reading "Send me order updates and offers on WhatsApp".
• At a trade fair stall: a QR code that opens a chat with you. When the buyer sends the first message, they have started the conversation.
• On quotes and in your email signature: the same click-to-chat link.

Keep a record of who agreed and when, and make stopping easy: "Reply STOP and we won't message you here again." Act on it the same day.

Template messages that suit B2B

On the platform, every message you start uses a template in one of Meta's categories: marketing, utility (about an order or an account) or authentication (one-time codes). Short, specific templates read better and draw fewer blocks. Three examples:

• Utility, dispatch update: "Your order [number] of [quantity] cartons left our Rajkot warehouse today with [transporter], LR number [number]. Expected delivery: [date]."
• Utility, payment reminder: "Invoice [number] for ₹[amount] falls due on [date]. Reply here if you need a copy or a statement of account."
• Marketing, new stock: "New summer prints have arrived at [firm name], Surat. Reply YES for the catalogue, or STOP to stop these messages."

Is bulk WhatsApp marketing allowed?

Not in the way most sellers mean it. Bulk WhatsApp marketing software that sends thousands of messages from an ordinary number, or from rented "virtual" numbers, to people who never opted in breaks WhatsApp's terms. Those numbers get banned, usually once recipients start blocking and reporting them. With the ban you lose the number your customers know you by, and there is no reliable way to get it back.

Be wary of anyone selling "unlimited messages with no ban". The legitimate route to thousands of buyers is the Business Platform, with opt-in and approved templates. For one-way alerts to large numbers of people, SMS sent with DLT registration and approved templates is the other option; see our guide to bulk SMS in India.

A weekly routine for a wholesaler

Take a fabric wholesaler in Surat who sells to retailers across Gujarat and Maharashtra:

1. Monday: new arrivals go to the broadcast list of retailers who have saved the number: five photos, prices and the minimum order.
2. Every day: enquiries are answered within working hours using quick replies for rates, transport and bank details, and labelled "new enquiry", "rate sent", "order confirmed" or "payment due".
3. On dispatch: a photo of the bill and the LR copy goes to the buyer.
4. At month-end: each retailer gets a statement of account showing what is due.
5. New retailers come from calls, visits and fairs, never from messaging strangers.

That last point is where most sellers go wrong. If you start from a contact list, make the first contact by phone or email and ask permission before you add anyone on WhatsApp. Our telecalling scripts include a line for asking, and our cold email templates cover the email route.

Questions people ask

Can I message numbers from a bought list on WhatsApp?

Not as a first contact. The people on it have not agreed to hear from you there, and blocks and reports from strangers are what get numbers banned. Call or email first, and add them on WhatsApp only when they say yes.

Is a WhatsApp group better than a broadcast list?

For buyers, usually not. In a group every member sees the others' numbers and replies, so each retailer can see who else buys from you, which many will dislike. A broadcast list sends to each person privately.

Can my whole sales team use one number?

The Business app can be linked to a few extra phones or computers, which suits a small office. A larger team answering together is better served by the Business Platform with a shared inbox from a provider.