Blog / Sales

Click to WhatsApp Ads: the Meta campaigns that open a chat

There is an exact moment when a lead is hot: right after they've clicked your ad. Contact forms freeze them — fill it in, wait, you'll be called back — while Click to WhatsApp Ads put them in a chat with you in two taps. In this guide we'll look at how these Meta campaigns work, how to set them up, how much they cost compared to forms, and how to have an AI qualify your contacts while the competition is still collecting numbers to call back.

What Click to WhatsApp Ads are

They are Facebook and Instagram ads with a particular call to action: instead of leading to a website or a form, the “Send message” button opens a WhatsApp conversation with your business, often with a pre-filled message the customer only has to send. You create them from Meta's normal Ads Manager by choosing messages as the destination, and they work with the same targeting tools as any campaign: audiences, interests, retargeting, lookalikes.

The detail that changes everything is identity: whoever clicks writes from their own personal WhatsApp. No fields filled in a hurry with made-up numbers or throwaway emails — the contact that reaches you is a real, active number, already inside a conversation. And for the customer the barrier is extremely low: no form, no sign-up, just a message.

Click to WhatsApp vs contact form: what really changes

The flip side: the chat has to be staffed. A form can wait until tomorrow, a WhatsApp conversation can't — whoever writes expects a reply within minutes, and a paid lead that gets no answer is budget burned twice. This is where automation comes in.

How to create a Click to WhatsApp campaign in 5 steps

1. Connect WhatsApp to your Facebook Page

The prerequisite: a WhatsApp Business number connected to your Page, either from the Page's own settings or while creating the campaign. It works both with the WhatsApp Business app and — better, for the reasons we'll see — with a number on Meta's official API.

2. Set up the campaign in Ads Manager

Create a new campaign with an objective compatible with messages — for example contacts, or traffic to messaging apps — choose WhatsApp as the click destination and define audience, placements and budget just like any other Meta ad.

3. Prepare the creative and the pre-filled message

The creative must clearly say what happens on click: “Message us on WhatsApp” works better than a generic “Learn more.” Then set the pre-filled message the customer will find in the chat — for example “Hi! I'd like info on the offer I saw on Instagram” — so breaking the ice costs nothing and it's immediately clear where the contact came from.

4. Organize the response, before launching

Decide what happens when the message arrives: who replies, how quickly, with what welcome message. If you use an AI agent, brief it on the ad's offer and the qualifying questions to ask. Launching the campaign before organizing the responses is the most expensive mistake in the process.

5. Launch, measure, optimize

In Ads Manager you see how many conversations are started and at what cost; on the official API, in addition, every message arrives with the ad's reference data, so you can tag contacts by campaign and follow the funnel all the way down: how many replied, how many were qualified, how many bought. This is the number that decides whether the campaign works, not the cost per click.

How much it costs (and the free 72-hour window)

You pay for two things. The first is the Meta advertising budget, billed as for any campaign, generally optimized for conversation started. The second would be the WhatsApp conversation, but here there's an advantage documented by Meta: chats started from a Click to WhatsApp Ad fall under the “free entry points,” with a 72-hour window in which messages on the official API are free. Three days of free conversation to qualify, reply and sell.

Watch out for the third, avoidable cost: the per-message markup that many platforms add on top of Meta's rates. With SendApp Official you pay only Meta — and within the free 72-hour window opened by the ad, not even that.

Qualifying leads with AI (the piece almost everyone is missing)

A campaign that works generates dozens of chats, and they arrive whenever they arrive: in the evening, on weekends, all at once. An AI agent connected to the number replies in seconds, asks the qualifying questions you've taught it — budget, area, need, timing — and tells the curious browser from the customer ready to buy.

• Instant reply, always: the lead gets the first message while interest is at its peak, even at 11 p.m. on a Saturday.
• Consistent qualifying questions: the AI follows the script you've defined, forgetting nothing and never pushing too hard.
• Automatic tags and priorities: contacts are classified by campaign and level of interest, ready for follow-up.
• Handoff to a human at the right moment: when the lead is qualified — or explicitly asks for a person — the chat passes to the team with the full history.

With SendApp the AI agent is trained on your content — price lists, services, frequently asked questions — and works directly on the connected number, while contacts end up in the integrated CRM with the campaign tags. The practical result: the salesperson opens the chat and finds a lead that's already qualified, not a number to cold-call.

Best practices so you don't waste budget

• Total consistency between ad and chat: if the ad promises a discount, the first reply message must mention it right away.
• A pre-filled message specific to each campaign: it tells you where the lead came from and lowers the barrier to sending.
• Reply within minutes, not hours: with an AI or an organized team — speed is the variable that shifts results the most.
• Ask for consent to re-contact: the chat opened by the ad is not a permanent promotional opt-in; ask for it explicitly and save it in the CRM.
• Retarget with judgment: exclude those who have already written and bought, and reserve dedicated campaigns for them instead.
• Look at cost per qualified lead, not per conversation: ten chats from curious browsers are worth less than two customers ready to buy.