WhatsApp Business API: the official WhatsApp API for businesses
The WhatsApp Business API is Meta's official connection that links a business number to CRMs, chatbots and support platforms, billed per message.
Also known as: WhatsApp connection · official WhatsApp connection · WhatsApp Business Platform · WhatsApp Business Solution · WhatsApp Business integration
Try CRPRO free for 7 daysThe WhatsApp Business API (WhatsApp Business Platform) is Meta's official connection for linking a business number to systems such as a CRM, a chatbot or a support platform. It is what lets several people answer from the same number in one dashboard and send approved templates outside the 24-hour window — see how it works in practice on the official WhatsApp API on CRPRO page.
What the API is — and what it is not
The API has no screen: it is the channel through which the system you use sends and receives messages. It is different from the WhatsApp Business app, which is free and runs on a phone. Queues, pipelines, AI and cross-channel history depend on the platform you run on top of the connection, not on having a Meta account.
Setup involves a business portfolio, a WABA and a business phone number — different identifiers that do not replace one another. Today Meta hosts the connection on the Cloud API; if you want an intermediary with its own support, you can hire a BSP.
How Meta charges
Meta charges per delivered message, by category (marketing, utility, authentication and service) and by the recipient's country. Since October 1, 2026, a reply without a template inside the 24-hour customer service window (a service message) gets 1,000 free messages a month on each business phone number; from the 1,001st on it is charged, with no volume discount. Utility templates sent inside the window are charged too. Conversations opened by a click-to-WhatsApp ad still get 72 free hours. Source: Meta's developer pricing page, checked in October 2026.
That cost is separate from the platform subscription. When comparing vendors, keep three things apart: the connection, the support features and the cost of messages.
Limits and usage rules
Outside the 24-hour window only an approved template can go out, and the volume to different people is capped by the portfolio's messaging limit. The official connection does not make a number immune: Meta can restrict numbers that get many blocks and reports, with a notice and a review path.
Frequently asked questions
What is the WhatsApp Business API?
It is Meta's official connection for businesses to integrate WhatsApp with their own systems — CRM, chatbot, e-commerce. Unlike the WhatsApp Business app, it has no screen: it is the channel a platform such as CRPRO uses to send and receive messages, with several agents on the same number.
What is the difference between WhatsApp Business and the WhatsApp Business API?
The app is a ready-made interface for a business to talk to customers from a phone. The API connects WhatsApp to other systems. Features such as queues, pipelines and automations depend on the system the team uses on top of that connection.
Is the WhatsApp Business API paid?
Access is free; Meta charges per delivered message, by category and country. Since October 1, 2026 that includes utility templates sent inside the customer service window and service messages above the 1,000 free a month on each number (Meta pricing page, checked in October 2026). The platform you use to operate costs extra.
Does using the API prevent bans?
There is no guarantee against restrictions. The official connection is still subject to WhatsApp's policies: many blocks and reports bring quality down and can lead Meta to restrict the number. Message only people who asked and keep an eye on account notices.
How long does activation take?
It depends on the registration, the number and Meta's checks. Confirm with your vendor which steps are pending before planning your go-live.
Related pages
Related glossary terms
WABA — WhatsApp Business Account
WABA is the business account used on the WhatsApp Business Platform to organize numbers and account resources; its ID is different from the phone number.
BSP (Business Solution Provider)
A BSP (Business Solution Provider) is a company credentialed by Meta to provide access to the official WhatsApp API, with infrastructure, support and template management.
WhatsApp cloud connection
The WhatsApp Cloud API (cloud connection) is the version of the official API hosted by Meta itself, with no server of the business's own.
24-hour window
The 24-hour window is the period after the customer's last message in which a business can reply on WhatsApp with free-form text, without an approved template.
Meta template (HSM)
A Meta template (HSM) is the Meta-approved message a business sends on WhatsApp outside the 24-hour window, in the marketing, utility or authentication category.
Quality Rating and Messaging Tier
Quality rating and the messaging limit (messaging tier) are Meta's measures of message quality and of how many people a business can reach per day outside the window.
Multi-agent WhatsApp support
Multi-agent WhatsApp support is when several agents answer from the same number at the same time, each with their own login and each chat with an owner.
WhatsApp Business
Meta's free app for small businesses, with a catalog, quick replies and labels — limited to one main device and up to 4 linked devices.