Can I send bulk WhatsApp messages legally in India?

Opt-in is the whole game

Under both WhatsApp's Business Messaging Policy and India's Digital Personal Data Protection (DPDP) Act, you may only message people who have agreed to hear from you on WhatsApp. Opt-in has to be clear, specific to WhatsApp, and logged with a timestamp and source — a pre-ticked box or a phone number harvested from an unrelated form does not count. Valid sources include a website checkbox, a click-to-WhatsApp ad, an in-store QR, a checkout consent line, or a customer replying to start a conversation. The DPDP Act layers on a genuine-consent standard, purpose limitation, and the right to withdraw, so the record you keep isn't just Meta hygiene — it's your defence if a customer complains to the Data Protection Board.

• Capture opt-in that names WhatsApp specifically, not a generic 'we may contact you'
• Store the consent timestamp, source, and IP or channel so it is auditable
• Treat withdrawal (STOP / opt-out) as a hard stop, not a suppression you can override

Templates and categories decide what you can send

Business-initiated bulk messages must use a pre-approved template, and the category you choose determines both what content is allowed and what you pay. Marketing templates cover promotions, offers, and re-engagement and require explicit marketing opt-in; utility templates cover transactional follow-ups on an existing order or account (confirmations, shipping, reminders); authentication templates carry OTPs and login codes. Miscategorising a promo as a utility message to dodge the marketing rate is a fast route to template rejection, category re-classification by Meta, and quality-rating damage. Write templates that match the customer's real expectation, keep marketing frequency sane, and your quality rating — and therefore your daily limit — stays healthy.

• Marketing: promotions and re-engagement — needs clear marketing consent
• Utility: order, account, and transaction updates tied to a real customer action
• Authentication: OTP and verification codes only

What good bulk actually looks like day-to-day

Compliant bulk isn't a single 50,000-message blast — that's exactly the pattern that spikes block rates and drops your quality tier. Real-world legal campaigns segment the audience, personalise the template with the contact's name and order details, respect quiet hours, and ramp volume as the number's rating and messaging tier grow. New numbers start at a lower daily limit and climb as Meta sees healthy engagement, so warming up matters. Every campaign should carry a visible opt-out path, and every opt-out should be processed immediately. This is the discipline that separates a sender who scales to millions of messages a month from one whose number gets flagged in week two.

• Segment and personalise instead of sending one identical blast to everyone
• Warm up new numbers and let messaging limits rise on genuine engagement
• Always include and instantly honour an opt-out
• Send at reasonable hours and cap marketing frequency per contact

How InfiQ keeps you on the right side of the line

InfiQ is an official Meta Business Partner for the WhatsApp Business API in India, so onboarding runs through Meta's Embedded Signup and your WABA and BSUID stay under your ownership — not locked inside a reseller's account. The platform handles template submission and category guidance, opt-in capture, one-click opt-out handling, audience segmentation, and quality-rating and delivery visibility so you can run genuinely legal bulk campaigns without guessing at policy. Billing is transparent ₹ pricing on Meta's live per-message rate card by category (ex-GST), so you can forecast a campaign before you send it rather than reconciling a surprise invoice afterwards.