WhatsApp is where many Indian customers already reply. That does not make every broadcast a good idea. Unwanted messages get blocked. Useful ones get forwarded.
Start with consent
Collect numbers from people who asked to hear from you: a form, a QR on a counter, or an NFC tap that opts in. Do not buy lists.
Write like a person
One offer, one link, one way to say no. “This week’s slots are open — book here” beats a paragraph of brand history. Keep the link short so it does not wrap into something untrustworthy.
Land them somewhere real
The link should open a page or WhatsApp thread that matches the promise. If the message is about a Tuesday offer, do not send them to a generic homepage.
8om short links and QR codes help you reuse the same destination on posters and chats. CRM and marketing tools on 8om are there for when you are ready to track follow-ups — start with a clean list and an honest message.