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WhatsApp Business API Pricing Calculator

Put in your own message volumes and see exactly what you'd pay — Meta's per-message charge, your platform fee, and 18% GST — next to WATI and AiSensy's cheapest plans, with every sum shown.

Offers, announcements, re-engagement — ₹0.8631 each

Order/booking updates, OTPs — ₹0.1150 each

Free, always — shown so you can see the zero in the sum, not just assume it

Your result

What you'd pay this month, three ways

Meta's rate is identical for all three — what differs is the monthly platform fee, and whether that platform adds its own margin to your messages (WATI and AiSensy can; we can't, because the money never passes through us).

  ArthMessenger WATI (cheapest, ₹2,699/mo) AiSensy (cheapest, ₹1,395/mo)
Platform fee (before GST)₹2,699.00₹1,395.00
+ 18% GST₹485.82₹251.10
Meta's message charges
Total this month

The arithmetic, in full

Rates used

Where these numbers come from

Meta's published India per-message rates, last checked 2 September 2026: ₹0.8631 for a marketing message, ₹0.1150 for a utility or authentication message, and free for any reply sent within 24 hours of the customer's last message. Platform prices are published pricing pages read on 6 September 2026 for WATI and AiSensy, and our own current pricing for ArthMessenger. All figures shown before any bank or currency conversion charges. See the full rate card and worked examples for more detail.

Questions

About this calculator

What rates does this calculator use?+

Meta's published India rates, last checked 2 September 2026: ₹0.8631 per marketing message, ₹0.1150 per utility or authentication message, and free for a reply sent within 24 hours of the customer's last message.

Why do WATI and AiSensy use the same Meta message cost as ArthMessenger?+

Because Meta's per-message rate is identical everywhere. What we cannot see is whether a Solution Partner like WATI or AiSensy adds its own margin before billing you. This calculator shows Meta's rate with no markup for all three, the most optimistic case for them — ask them directly for their actual per-message rate.

Does ArthMessenger add anything to Meta's rate?+

No. We are a Meta Tech Provider, so Meta bills you directly on your own WhatsApp Business Account. The money never passes through us.

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