WhatsApp Business API pricing, explained without the jargon

The model in one paragraph (as of October 2026)

Meta charges businesses per template message delivered, with a different rate for each category — marketing, utility and authentication — and a different rate table for each country or region of the customer’s number. Messages a business sends in reply to a customer within 24 hours of the customer’s last message (“service” messages) are free. Meta moved from per‑conversation to per‑message pricing during 2025; some older articles still describe 24‑hour “conversation” bundles.

What is free

• Receiving messages.
• Replying within the 24‑hour customer‑service window — however many messages.
• Conversations a customer starts from a click‑to‑WhatsApp ad or a Facebook Page call‑to‑action, for an extended free window (Meta’s current terms set the length).
• Utility templates delivered inside an open customer‑service window have been free under Meta’s current rules.
• Access to the Cloud API itself.

What costs money

• A marketing template to a customer — the highest rate.
• A utility template sent outside an open window (a reminder tomorrow, a delivery update next week).
• An authentication template (one‑time passcodes).

Rates are published per country on Meta’s pricing page and change from time to time; a marketing message to an Indian number costs a different amount from one to a UK number. We deliberately don’t print the numbers here because they go stale — check Meta’s page for your markets.

Who bills you

Meta bills the WhatsApp Business Account’s payment method directly. Software vendors sit on top: some pass Meta’s fees through at cost, some add a markup per message, and some bundle “credits”. Ask every vendor one question: “Do you add anything to Meta’s per‑message rate?” iChatUp’s answer is no — Meta bills you, we charge a flat monthly subscription, and the broadcasts screen shows you an estimate before you send.

A worked example

A salon with 1,200 opted‑in customers sends one marketing broadcast a month and sends appointment reminders (utility) the day before each visit. The broadcast costs 1,200 × the marketing rate for its country. The reminders are utility messages outside the window, 1,200 × the utility rate across the month. Every reply the AI employee sends to a customer who messaged first is free. Add the software subscription, and that is the whole bill — no per‑seat fee, no per‑AI‑message fee.

How to keep the bill small

1. Answer inside the 24‑hour window whenever you can — replies are free.
2. Use utility templates for anything transactional; don’t dress a reminder up as marketing.
3. Send marketing to segments that respond, not to everyone.
4. Automate STOP so you never pay to message someone who opted out.
5. Set a spending limit per broadcast (iChatUp lets you) so a typo in the audience can’t become a surprise.