Since October 1, 2026, Meta charges businesses on the WhatsApp Business Platform for replies inside the 24-hour service window — free only up to 1,000 per phone number per month. Marketing prices reportedly rose in some markets (about +30% reported in Mexico — a reported figure, not a universal one). Put in your September vs October volumes and your own per-message rates, and get a line-by-line estimate of the delta.
The WhatsApp bill shock is the invoice jump businesses saw after October 1, 2026, when Meta started charging for service replies beyond 1,000 per number per month and raised marketing rates in some markets.
Estimates only. This calculator multiplies YOUR rates by YOUR volumes — the numbers are estimates in USD, not Meta's official quote and not your invoice. Reported prefill figures come from October 2026 public coverage (see sources below). BSP fees, taxes, Meta Business Agent token charges and currency conversion are excluded.
Sources (October 2026 coverage): dev.to India pricing guide · Sanrovax / Medium · NagMeLater · RakanSales Malaysia · Qontak Indonesia calculator · NewsUltra360 Nigeria. Your Meta rate card is the only official number.
The end of free replies. From October 1, 2026, Meta bills businesses for customer-service replies beyond 1,000 per number monthly, and raised marketing message prices — about 30% in Mexico. Teams that built support flows on free replies woke up to invoices. Enter September versus October volumes to size your own shock.
Since October 1, 2026, Meta charges WhatsApp Business Platform businesses for service messages — free-form replies inside the 24-hour customer window — at each market's utility rate after 1,000 free per phone number per month. Utility templates sent inside an open service window are now charged too, and marketing prices reportedly rose in some markets (about +30% reported in Mexico).
Not anymore. Until September 30, 2026, free-form replies inside the 24-hour service window were free. Since October 1, 2026, the Platform charges for them at the utility rate after 1,000 free per business phone number per month. The free WhatsApp Business app (replies typed on a phone) is a different product and is not affected.
It varies by recipient country. Publicly reported figures include India: marketing Rs 0.8631; Nigeria: marketing about $0.062; Malaysia: marketing $0.0860. The calculator above multiplies YOUR rates by YOUR volumes — every output is an estimate, not Meta's official quote.
Meta delivers service messages only within the 1,000 free monthly allowance per number, and stops delivering them once the free tier is used up if no valid payment method is on file. The symptom is replies that silently stop partway through a month — check Billing Hub.
Meta charges per delivered message by category and recipient country. Publicly reported figures include India: marketing Rs 0.8631, utility/authentication/service Rs 0.115; service-message rates in USD of roughly $0.0014 in India, $0.0034 in the US, $0.0040 across most of Africa and $0.0220 in the UK. All figures are estimates based on publicly reported rate cards, not Meta's official quote.
Reclassify templates — marketing costs roughly 7–8x utility, so genuine updates filed as marketing templates are the #1 overpayment — resolve cases in fewer replies with better first answers, remember the 1,000 free service messages are per phone number, and audit marketing lists now that rates have risen.