WhatsApp API pricing is conversation-based, not per-message. Understanding this model is essential before estimating your monthly costs. This guide explains every component with real Indian business examples.
The most important thing to understand: since July 2025, WhatsApp charges per message delivered, not per conversation window. Each template message sent is billed individually.
Example: You send a customer an order confirmation, shipping update, and delivery notification as three separate templates. That's 3 messages, 3 charges — unless they land inside an open service window, where utility templates are free.
Three windows stay free regardless: free-form replies inside the 24-hour window after a customer messages you, utility templates sent inside that same window, and any message sent inside a 72-hour window after a customer arrives via a click-to-WhatsApp ad. Marketing templates are always charged.
Change coming 1 October 2026: Meta announced on 1 July 2026 that the free 24-hour service window and free in-window utility templates end on that date and become billed per message at the standard rate for your market. Only the 72-hour click-to-WhatsApp entry window stays free after that. Meta published those rates on 1 September 2026 and set the service-message rate equal to the utility and authentication rate in the recipient’s market, which in India is ₹0.115. Every business phone number also gets 1,000 free service messages a month.
Free-form replies cost nothing — until 1 October 2026. When a customer messages your WhatsApp number first, you can reply freely for the next 24 hours with no template required and no charge. This changes on 1 October 2026: Meta will bill every free-form reply inside that window as a service message, whether a human or a bot sends it. Budget for your reply volume from that date. What the October 2026 change means →
| Message type | Who initiates | India rate | Free window |
|---|---|---|---|
| Free-form reply | Customer messages first | Free | Inside 24hr service window |
| Utility | Business initiates (transactional) | ₹0.115 | Free inside service window |
| Authentication | Business initiates (OTP) | ₹0.115 | Free inside service window |
| Marketing | Business initiates (promotional) | ₹0.86 | Never free |
Rates may change: Meta adjusts WhatsApp message rates periodically. The rates above are current for India as of 2026. Always check the current rates in your Meta Business Manager → Billing for the most accurate figures. Also note: the "Free" and "Free inside service window" entries above apply as of mid-2026 only. Meta announced on 1 July 2026 that the free 24-hour service window and free in-window utility/authentication templates end on 1 October 2026, after which all three rows in this table are billed per message.
There's no ongoing monthly free-message tier under the current model. Instead, WA.Expert gives every new account a 3-day free trial with full platform access, no credit card required. Add your WhatsApp number and we credit ₹5 to your wallet automatically so you can test sending real messages at Meta's standard rates.
| Monthly messages | Meta fee | WA.Expert fee | Total monthly cost |
|---|---|---|---|
| 2,000 (1,000 utility, half free) | ~₹60 | ₹599 | ₹659 |
| 5,000 (3,000 utility + 1,000 mktg) | ~₹900 | ₹599 | ₹1,499 |
| 20,000 (15,000 utility + 5,000 mktg) | ~₹4,400 | ₹599 | ₹4,999 |
| 1,00,000 (80K utility + 20K mktg) | ~₹23,000 | ₹599 | ~₹23,600 |
ROI perspective: A D2C brand at 1,000 orders/month spending ₹3,000–5,000/month on WhatsApp API and BSP fees typically recovers ₹80,000–1,50,000/month in RTO reduction, cart recovery, and support savings. The ROI is typically 15–40× at this scale.
If a customer messaged you in the last 24 hours, a utility template sent to them right now is free. Time order updates and reminders to land while the window is still open where possible.
When a customer replies to your campaign, you're back inside a free service window for follow-ups. Route customer support, inbound leads, and replies through free-form messaging instead of templates.
Order updates, appointment reminders, payment receipts, if they're genuinely transactional, classify as Utility (₹0.115) not Marketing (₹0.86). The difference is 7× in cost per message, and Utility also qualifies for the free service window.
Sending marketing broadcasts to contacts who haven't bought in 12+ months and never engage wastes budget and degrades quality score. Regularly prune your broadcast list to active, high-intent customers.
Customers arriving via a Facebook or Instagram click-to-WhatsApp ad open a free 72-hour window, including templates — making ad-driven acquisition genuinely cheaper to message than cold outbound.
WA.Expert's trial gives you full platform access, no credit card required. Test sending real messages with ₹5 wallet credit added automatically.