WhatsApp Business API Cost by Message Volume in India
How much you spend on the WhatsApp Business API scales almost entirely with two things: how many messages you send and which category each one falls into. Since 1 July 2025, Meta bills per delivered template message by category — marketing, utility or authentication — rather than by 24-hour conversation. That single change makes volume planning far more predictable: your Meta cost is essentially your monthly delivered count multiplied by the per-category rate, plus your provider's platform fee. On InfiQ you pay transparent ₹ pricing (ex-GST), with plans from ₹999/month, so you can model spend at 5,000, 50,000 or 500,000 messages a month before you scale.
Cost snapshot
WhatsApp API cost = (messages sent per category × Meta's per-message rate) + your platform plan. Marketing messages cost most, utility less, and service replies inside the 24-hour customer window are free. Model your real category mix at your volume — InfiQ prices Meta's live rate card transparently in ₹ (ex-GST).How message volume drives your bill
Your monthly WhatsApp API spend has two moving parts. The first is Meta's per-message charge, applied to every template message you deliver, priced by category. The second is your provider's platform fee — a fixed monthly plan on InfiQ rather than a per-message surcharge. Because Meta now bills per delivered message, your Meta cost is close to linear: double your marketing volume and you roughly double that line of the bill. The nuance is category. A business sending 100,000 utility notifications a month pays a fraction of what a business sending 100,000 marketing broadcasts pays, even though the volume is identical. That is why 'cost by message volume' only makes sense once you also know your category mix.
- Meta charge = delivered messages × per-category rate
- Platform fee = fixed monthly InfiQ plan (from ₹999/month, ex-GST)
- Free service replies inside the 24-hour customer window are not billed
- GST at 18% applies on top of both parts
The three billable categories and why mix matters
Marketing is the premium tier — promotions, offers, re-engagement and any non-transactional broadcast — and carries the highest per-message rate. Utility covers transactional messages tied to an existing order or account: order confirmations, shipping updates, payment reminders, appointment alerts. Authentication is a dedicated low-cost category strictly for one-time passcodes and login verification. As an indicative guide, a marketing message can cost several times a utility or authentication message, so the single biggest lever on your bill at any volume is getting each message into the correct, cheapest valid category. A retailer that reclassifies delivery updates from marketing to utility can cut that portion of spend dramatically without sending a single message fewer.
- Marketing — highest rate; promotions and broadcasts
- Utility — low rate; transactional, order/account-linked messages
- Authentication — low rate; OTPs and login codes only
- Service replies — free within the 24-hour window opened by the customer
Volume math: worked examples
Model your spend by breaking volume into category buckets rather than assuming one flat price. Take a mid-sized store sending 30,000 messages a month split as 10,000 marketing, 15,000 utility and 5,000 authentication. At the current rates (~₹0.94 marketing, ~₹0.19 utility, ~₹0.14 authentication) the Meta charge is roughly ₹9,400 + ₹2,850 + ₹700 = about ₹12,950, plus your InfiQ plan, plus 18% GST. Now flip the mix: if all 30,000 were marketing, the Meta charge alone would jump toward ₹28,200 — more than double, on the same volume. Scale that up and the pattern holds: at 300,000 mostly-utility messages your Meta line stays modest, while 300,000 marketing messages is an order of magnitude larger. Rates shown are indicative — so always price against the current rates in InfiQ's calculator.
- Split monthly volume into marketing / utility / authentication buckets
- Multiply each bucket by its per-message rate, then sum
- Add your fixed InfiQ plan, then apply 18% GST
- Re-check against the live rate card before committing to a budget
Five ways businesses overpay at scale — and the fix
Overspend rarely comes from volume alone; it comes from how that volume is categorised and timed. The most common leak is sending transactional notifications as marketing templates — the fix is recategorising order, shipping and account alerts as utility. Next is opening fresh marketing conversations when a free in-window service reply would do; if a customer messaged you in the last 24 hours, replies are free. Over-messaging is a double cost: it inflates the bill and can drag down your quality rating, which restricts throughput. Poor list hygiene means paying full marketing rate to send to people who never engage. And at high volume, a per-message provider surcharge compounds fast — InfiQ's fixed-plan model keeps the platform side predictable while you pay Meta's live rate transparently in ₹.
- Recategorise transactional alerts from marketing to utility
- Reply inside the free 24-hour service window instead of opening new marketing threads
- Avoid over-messaging — it raises cost and lowers your quality rating
- Segment and target likely responders to cut wasted marketing sends
- Choose fixed-plan platform pricing over per-message surcharges at scale
How InfiQ prices it as you grow
InfiQ is a WhatsApp-first platform and an official Meta Business Partner for Indian businesses. You pay Meta's live per-message rate through transparent ₹ pricing (ex-GST), with the platform side as a fixed monthly plan from ₹999/month rather than a growing per-message cut. That structure means your platform cost stays flat as volume climbs, so the variable part of your bill is dominated by Meta's category rates — which you control through mix, timing and segmentation. You keep full ownership of your WhatsApp Business Account and BSUID (Business-Scoped User ID), so migrating in or out never puts your number or identity at risk. Use the interactive calculator to price your exact category mix at your target volume, with a GST toggle, before you commit to a plan.
- Transparent ₹ pricing (ex-GST)
- Fixed monthly platform plan — predictable as volume scales
- Full ownership of your WhatsApp Business Account and BSUID
- Model your real mix and volume in the calculator with a GST toggle
* Per-message rates for India, ex-GST, effective 1 July 2026. Volume commitments earn discounts — final rate is confirmed on your account; applicable GST extra. Rates for other countries differ (see the international rate table on /pricing).
Frequently asked questions
Is WhatsApp API billed per message or per conversation?+
Which message category is cheapest?+
How do I estimate my cost at a given message volume?+
Does higher volume get me a lower per-message rate?+
How does InfiQ's pricing scale with volume?+
Is GST included in these prices?+
Are the ₹ rates shown here fixed?+
What happens to my cost if I send too many messages?+
Model your cost at your real volume
Enter your category mix and monthly message count in InfiQ's calculator to see your exact ₹ cost on Meta's live rate — transparent, ex-GST, with a GST toggle — then start from ₹999/month.