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Is WhatsApp Business free? What it really costs

“Is WhatsApp Business free?” The honest answer is: the app, yes — and for many businesses that’s all you need. But as soon as you want more power — large campaigns, a team replying together, a chatbot working at night — you enter a territory where costs exist, and where some providers deliberately make them unclear to seem cheaper than they are. Let’s lay out, without beating around the bush, what is really free, where the expenses begin, and how to estimate how much you’ll spend before signing anything. That way you compare providers on the real numbers and not on promises.

What’s really free: the WhatsApp Business app

The WhatsApp Business app, the one you download from the store, is 100% free and has no hidden costs or surprise subscriptions. Inside are all the tools for a small business: a complete business profile, automatic greeting and away messages, quick replies for recurring questions, labels to organize customers, and broadcast lists to send the same message to up to 256 contacts at a time. For a shop, a practice, or a restaurant that handles messages by hand, this is everything you need, at zero cost, and it stays that way over time. There’s no “paid” version of the app that unlocks hidden features: the app is what it is — complete and free.

Where the costs begin: Meta’s official API

The first real cost arrives when you move to the official WhatsApp Business API, the level designed for volume and for teams that reply together. Here Meta bills per “conversation”: a 24-hour window with a customer, regardless of how many messages you exchange within that window. That means a long support chat counts as a single message: you pay for opening the window, not for the number of exchanges. The rates are public, Meta sets them, and they vary by country and by message category: the same message costs differently in Italy, Germany, or Brazil. In Italy a marketing conversation costs a few cents; many service conversations — when you reply to people who write to you within the window — are often free. It’s a different logic from the old SMS cost, where you paid for every single message: here you pay for the conversation, not the individual send, and that changes the math considerably at high volumes.

The four conversation categories

• Marketing: promotions, offers, news. It’s the most expensive category
• Utility: order confirmations, shipping updates, reminders. Costs less than marketing
• Authentication: OTP codes and login verifications, for those managing logins
• Service: replies to customers’ questions, in many cases free within the 24-hour window

The second cost: the platform

The API is only the engine, with no interface of its own: on its own you can’t do anything with it. To use it you need a platform that builds the shared inbox, campaigns, automations, and the AI that replies for you on top of it. It’s a monthly subscription, and prices vary a lot depending on features and the number of operators included: from a few dozen euros a month for the essentials up to hundreds of euros for advanced plans with large teams and sophisticated tools. This is a transparent, predictable cost: you know it in advance, it’s written in the plan, and it doesn’t depend on how many messages you send in the month. It’s the easiest item to compare between providers, because it’s declared openly in the price list. The problem, if anything, is what the price list doesn’t spell out.

The third, hidden cost: the per-message markup

This is where the real game is played, and it’s the item you should pay the most attention to. Many platforms, on top of the subscription, add a margin on each conversation: they resell you the messages at a price higher than Meta’s rates, or they sell you “conversation packages” that are already marked up. At significant volumes this item can exceed the cost of the subscription itself, and it grows fast as you send more — precisely when the channel starts to pay off. It’s the cost price lists are least eager to show. The question to always ask, in writing: “are the messages charged directly by Meta at Meta’s rate, or do you bill them with a markup?”

With SendApp you pay only the subscription: the official API messages are billed directly by Meta at its rates, with no per-conversation markup. And if you want to avoid per-message costs altogether, you can connect your number via QR code with Cloud: campaigns and automations with the subscription alone, zero per-message costs.

How to estimate your real expense

To get the math right, think in three simple steps. First: estimate how many marketing conversations a month you want to start — because promotional sends are the heaviest item — and multiply them by Meta’s rate for your country. Service conversations, that is replies to people who write to you, you can almost ignore in the calculation because they’re often free. Second: add the subscription to the platform you’ve chosen, which is a fixed figure known in advance. Third, and decisive: check whether there’s a per-message markup and how much it is, because it’s the variable that can flip the comparison. A markup-free platform with a slightly higher subscription is almost always cheaper than a “cheap” one that then marks up every conversation, especially as volumes rise. Always do the math on your real, steady-state volume, not on the minimum of the first trial month — otherwise the surprise comes in the bill.

Mistakes that inflate the expense

• Paying for the API when the free app would do: if you reply by hand and send little, stay on the app
• Looking only at the subscription and ignoring the per-message markup: that’s where the bill quietly swells
• Sending marketing campaigns where a utility would do, such as a confirmation: the wrong category costs more than necessary
• Buying lists of cold contacts: they generate reports and blocks, and blocks worsen the number’s quality and limits
• Not handling opt-out: continuing to write to people who said stop burns paid messages and reputation