If you've looked into automating your business's WhatsApp, you've surely been offered everything: bots that install on your phone, programs that "read" your WhatsApp Web, browser extensions that send bulk messages. Many of them work, for a while. The problem isn't whether they work; it's what they're built on.
The two paths
WhatsApp has an official platform for businesses, the WhatsApp Business Platform, which you reach through what's known as the WhatsApp API (Cloud API). It's the path Meta designed so a system can answer, send and receive messages on behalf of a business. It has rules, it has public pricing and it has a contract: if you follow them, your number is safe.
The other path is the unofficial tools: they automate the regular WhatsApp or the WhatsApp Business app on your phone by pretending to be you. They don't go through Meta, they have no rules to follow, and for that very reason they come with no guarantee at all. Meta doesn't authorize them, and when it detects that kind of use it can restrict or shut down the number. And that number is the one your customers have saved, the one on your business cards and on your sign.
That's the first thing to ask anyone offering to automate your WhatsApp: do you use the official API? If the answer is fuzzy, you already have your answer.
What the official path gives you
Stability. The number is registered as a WhatsApp Business Platform account, under your verifiable business name, and it doesn't depend on a phone being on with a session open. If the internet goes down at your shop, Atenta keeps answering because it doesn't run on your phone.
Clear rules about who you can message. The WhatsApp Business messaging policy says you can only contact someone if they gave you their number and gave you permission to receive your messages, and that you must honor any opt-out request. It looks like a limitation; in reality it's what keeps your number from ending up flagged as spam.
Approved templates. Messages the business starts (a reminder, a promotion, a confirmation) are sent with templates Meta reviews and approves. Once approved, they go out without trouble; if one is rejected, you're told why.
Public pricing. According to Meta's pricing documentation, since July 2025 billing is per template message delivered, with categories (marketing, utility, authentication) and rates by country. When a customer writes to you, a 24-hour service window opens in which replies cost nothing. In other words: answering whoever writes to you is free; what costs money is starting the conversation yourself, and Meta bills that straight to your account, not us.
What changes for a small business
Until recently, the official API was something for big companies with a technical team. Today a one-person business can use it, as long as someone does the heavy lifting of connecting the number, registering the account, managing the templates and following the rules.
That's what Atenta does. Your WhatsApp Business number connects to the official platform from your app, and the number is still yours. Atenta receives messages through the API, answers with your business's approved knowledge base, and when a template needs to go out (an appointment confirmation, a campaign with permission), it uses the templates on your account with their Meta status shown exactly as it is. Every send stays in your log.
What the official path doesn't allow, and Atenta doesn't either
You can't message someone who didn't give you permission. Atenta doesn't make any customer eligible for campaigns without consent that has a date and a text, and any "STOP" a client replies is honored instantly, by code. You can't send promotions dressed up as notices: each template's category is declared and Meta reviews it. And there's no "bulk messages to your contact list," plain and simple: that's exactly what gets numbers taken down.
If this sounds like less freedom than a pirate bot, that's because it is. But it's the freedom that keeps your number yours next year.
To learn more
The technical detail of how a WhatsApp message gets to Atenta and back is in our documentation, and what Atenta does and doesn't do with your data is in the privacy notice. If you want to connect your number to the official path without wrestling with any of this, sign up your business.