Meta to Charge for Every WhatsApp Business Service Reply, Alarming Brazilian Companies

What Changes for WhatsApp Business Users on 1 October

WhatsApp will remain free for ordinary users and for micro and small businesses using the simplified WhatsApp Business app. The change applies to companies that use the WhatsApp Business Platform through the API, which offers greater message capacity and more corporate features in exchange for fees.

Since November 2024, Meta had offered customer-initiated service messages free within a 24-hour response window. From 1 October, Meta will charge each message a company sends, even when the conversation was started by a customer asking a question such as the time of a medical appointment.

The new prices will be announced only on 1 September, but the current benchmark for business-initiated conversations is around R$0.035 per message. Fábio Sales, co-founder of Moovi AI, which automates service for cinema chains, estimates cinema clients will face cost increases of 10% to 12%. He says answering a simple 'hi' could add around R$0.12 in Meta costs per service interaction, and traffic spikes around popular films can make the bill much less predictable.

Glauber Santos, co-founder of Intelia, which serves mid-sized automotive companies, describes a support client whose bill could rise from about R$1,000 to nearly R$20,000 per month. Because companies are billed per message sent, more attentive service becomes more expensive. Meta has changed its API rules four times since 2022 and has warned that service-message pricing may be adjusted quarterly, adding to the lack of predictability.

The Revenue Squeeze Behind Meta’s Per-Message Pricing

Meta’s Revenue Squeeze Is the Unspoken Driver

The pricing change arrives while Meta is under pressure to fund artificial intelligence infrastructure. The company raised its fiscal 2026 capital expenditure projection to a range of $125 billion to $145 billion. In the second quarter, free cash flow fell 91% year over year to $784 million, net income declined 8%, and costs rose 55%. Against that financial backdrop, the decision reads less as a product improvement than as an effort to monetize WhatsApp Business traffic quickly.

Why Support-Heavy Businesses Say the Math No Longer Works

For Moovi AI, cinema clients could see cost increases of 10% to 12%. For Intelia, one support client may go from R$1,000 to nearly R$20,000 per month. Because the charge applies to every company reply, a sales conversation may absorb the cost, but a pure support conversation does not generate revenue. That creates an incentive to reduce answers or move non-sales support to cheaper channels such as email, web chat or app messaging.

The Meta Business Agent Push Faces Early Resistance

Meta is steering businesses toward its own customer-service AI, Meta Business Agent. Under that model, service messages are not charged, but companies pay $2 per one million tokens. However, businesses interviewed by O Globo consider the agent poor and describe the token-based model as four to five times more expensive. The pricing structure therefore functions as a lever to move messaging customers onto Meta’s own AI, even though early users are not convinced by its quality or economics.

The Antitrust Question Is Real but Hard to Prosecute

Ana Frazão, a professor at the University of Brasília, explains that Brazilian law presumes a company with 20% or more market share holds a dominant position, and Meta far exceeds that threshold. But she notes that excessive pricing is one of the most delicate violations in competition law because companies are generally free to set their own prices. In March, Cade blocked Meta’s attempt to prohibit third-party AI assistants on WhatsApp, showing regulatory scrutiny exists. A formal pricing investigation is possible, but not automatic.

What Brazilian Businesses Should Do Before 1 October

For Brazilian companies that use the WhatsApp Business API, the next few weeks are the moment to recalculate costs and test alternatives before the 1 October change takes effect.

• Model your new bill before Meta publishes official prices. The current reference point is around R$0.035 per message, but every customer reply will now be charged. Intelia’s support example shows a possible jump from R$1,000 to nearly R$20,000 per month, so do not wait for the 1 September price notice to build scenarios.
• Separate sales conversations from pure support. A non-revenue support operation may no longer justify WhatsApp Business API costs at the expected rates. If an interaction does not generate revenue, evaluate moving it to an owned channel such as app chat, web chat or email unless WhatsApp is a clear competitive requirement.
• Evaluate Meta Business Agent on real cost and quality, not the headline of free service messages. Adopting it shifts billing to tokens at $2 per one million tokens, but early users describe the system as poor and as four to five times more expensive. Pilot it against your current third-party assistant before committing.
• Build quarterly price changes into contracts. Meta has revised API rules four times since 2022 and has warned that service-message pricing may be adjusted quarterly. Client contracts that pass through WhatsApp costs should include a review clause tied to Meta’s published rates.
• Do not cut costs by degrading the experience. Kobi co-founder Rodrigo Labanca expects companies to send long text blocks instead of short, friendly replies, but that risks damaging the user experience. Blip CEO Roberto Oliveira warns that clients may become more concerned with message count than with service quality, so any reduction in messages should be measured against response quality and customer satisfaction.