WhatsApp Web for business, and where it stops working
WhatsApp Web mirrors your phone onto a browser. For one person answering a manageable number of chats it is genuinely useful. For a team, it is a workaround that quietly creates problems.
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What it actually is
WhatsApp Web is not a separate account. It is a view of the messages on one phone, and it depends on that phone remaining registered. Typing on a laptop is more comfortable than a phone keyboard, and that is most of the benefit.
Multi-device support means the phone no longer has to be online continuously, but the account is still tied to that one number and that one registration.
Where it breaks for a business
One session means one person's view. If two colleagues need to answer, either they share a login, which is a security problem and an audit hole, or they pass a phone around.
Nothing is recorded outside WhatsApp. There is no way to see how many enquiries came in last week, which went unanswered, or what was promised. When the person holding the number leaves, the history leaves with them.
- No assignment, so two people can answer the same customer
- No internal notes
- No CRM record, so WhatsApp never gets credit for revenue
- No automation beyond a basic away message
- History belongs to a device, not the business
When to move to the API
The signals are consistent: more than one person needs to reply, enquiries arrive outside working hours, or you cannot answer the question "how many WhatsApp leads did we get last month?"
The Business API keeps the same number and the same customer experience, but lets many agents work it at once, logs everything to your CRM, and lets automation take the first reply.
Frequently asked questions
Can two people use WhatsApp Web on the same number?
Not properly. You would be sharing one account's session, with no assignment and no record of who did what. The Business API is the supported way to have several agents on one number.
Is WhatsApp Web free?
Yes, it is part of the normal app. Costs only start with the Business API, where Meta bills per conversation.
Does moving to the API delete my chat history?
Migrating a number to the API deregisters it from the app, which removes that device's history. Export anything you need first.
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