Every tool that touches WhatsApp advertises “WhatsApp integration”, and the phrase covers at least three completely different things. One is free and takes a minute. One costs money per message and takes weeks to set up. One will get your number banned.
Here is the honest version of the difference, and how to work out which one you actually need.
The three options
1. The WhatsApp Business app
The free app from the Play Store. Catalogue, quick replies, labels, away messages. It runs on one phone.
For a lot of shops this is genuinely enough, and it is worth being honest about that before spending anything. Where it stops working is when two people need to answer the same enquiries, or when you want a record that outlives the phone.
2. Click-to-chat links
A wa.me link opens a chat with a given number, optionally with
a message already typed. It needs no approval, no fees and no setup.
This is how most lead-tracking tools open WhatsApp from a customer record. You tap the customer in the app, WhatsApp opens on that conversation, you type, you send. The message goes from your WhatsApp, exactly as it would if you had found the chat by hand.
The limitation is that it is one-directional and manual. Nothing arrives back into your system automatically, and nothing can be sent without a person pressing send.
3. The WhatsApp Business Platform (the API)
The official commercial product. It gives you a shared inbox several people can work from, message history you can keep, and the ability to send business-initiated messages using templates that Meta approves in advance.
It also involves business verification, a registered entity, a provider to onboard you, and per-conversation charges. Setting it up is measured in weeks, not minutes.
Not an option: unofficial automation
Tools that drive WhatsApp Web in the background, or unofficial libraries that log in as your account, exist and are cheap. They also violate WhatsApp's terms, and the consequence lands on your number — the one your customers already have.
If a vendor cannot tell you clearly whether they use the official Business Platform, assume they do not. The saving is not worth the number your business runs on.
Which one do you need?
| If this is true | You need |
|---|---|
| One person answers every enquiry | Business app + click-to-chat |
| You want enquiries tracked, but replies stay manual | Click-to-chat, inside a lead tracker |
| Two or more people answer the same number | The API |
| You want conversation history attached to each customer | The API |
| You want to send reminders or updates automatically | The API, with approved templates |
| You run ads that open a WhatsApp chat | Usually the API |
The pattern is straightforward. Click-to-chat is enough while a human is always the one pressing send. The moment you need several people in one inbox, or messages that go out without someone tapping, you need the API.
What the API actually costs
Meta charges per conversation rather than per message, and the rate depends on the conversation category and country. Rates and categories have changed more than once, so check Meta's current pricing page rather than trusting a number in a blog post — including this one.
Two things are more stable and worth planning around:
- Business-initiated messages need an approved template. You cannot send free text to someone who has not messaged you recently.
- There is a service window after a customer messages you, during which you can reply freely. Outside it, you are back to templates.
This shapes product design more than people expect. It is why a daily reminder to you is easy, and why bulk marketing blasts to customers are both expensive and a good way to get reported.
A sensible order to do this in
- Start with click-to-chat. Get every enquiry into one list with a follow-up date. This is where the recovered revenue is.
- Measure whether the follow-ups actually happen. If your team is not completing the follow-ups you already have, a shared inbox will not fix that.
- Add the API when a second person needs the same inbox, or when you genuinely need automated reminders going to customers.
Doing it in the other order — paying for the API first because it sounds more serious — is a common and expensive mistake. The API solves a collaboration problem. It does not solve a discipline problem.
The short version
- One person answering? The free app plus click-to-chat is genuinely fine.
- Several people, or automated sending? You need the official API.
- Never use unofficial automation on the number your customers call.
- Fix follow-up discipline before you pay for infrastructure.
Track the enquiries first
Enkay starts with click-to-chat so there is nothing to set up, and adds the official WhatsApp Business Platform when your team needs it.
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