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On this page
  • What are Click-to-WhatsApp (CTWA)?
  • Why Use the WhatsApp API (via iSlash AI) for Marketing?
  • Best Practices: Getting the Most Out of Ads That Click to WhatsApp
  • 1. Match Your Targeting to the Funnel Stage
  • 2. Set Up a 24/7 Chatbot Auto-Reply
  • 3. Upsell and Cross-Sell Naturally
  • 4. Don’t Forget the Opt-In
  • 5. Build Long-Term Relationships
  • From Social Traffic to Private Leads
  • One-Click Retargeting? Yes, We Can.
  • Drive More Value from Every Ad
  1. iSlash Insights 2025

From Click to Customer: CTWA + iSlash AI Maximizes Every Lead

PreviousMore Ways to Start WhatsApp Conversations with Opt-In Methods You Should Be UsingNextBusiness Messaging: Templates for Marketing, Utility & Authentication ((Best Practices Inside!)

Last updated 12 days ago

Enterprise businesses spend hundreds of billions on ads each year.

Yet, many don’t get the return they’re hoping for. According to Gartner, fewer than 30% of organizations report success in their marketing operations. That means most businesses are spending big—but missing out on growth.

In this climate, it’s only fair to ask: Are your ads really paying off?

For businesses using Click-to-WhatsApp Ads (CTWA) with iSlash AI, the answer is simple — yes.

What are Click-to-WhatsApp (CTWA)?

CTWA are Facebook or Instagram ads designed to open a conversation directly on WhatsApp when clicked. Instead of driving customers to a landing page or website, CTWA instantly launches a WhatsApp chat between your brand and the user.

Here’s how it works: A potential customer sees your ad → they click → WhatsApp chat opens → an automated message like “Hi there! How can we help you?” appears with pre-set options such as “Explore Products” or “Chat with Agent.”

This instant, familiar interaction increases the chance of conversion—and it works because people already love using messaging apps. In fact, according to Kantar, 66% of consumers say they’re more likely to buy from brands that message them directly.


Why Use the WhatsApp API (via iSlash AI) for Marketing?

You might already know WhatsApp is great for customer support—but it’s also a powerhouse for full-funnel marketing.

With over 2 billion users worldwide, WhatsApp is where your audience already is. By combining CTWA ads with the official WhatsApp API, iSlash AI helps you build seamless, meaningful customer journeys — from first click to checkout.

As a Meta Trusted CTWA Partner and official WhatsApp BSP, iSlash AI is helping SMEs to do big things:

✅ Capture and qualify leads in real-time

✅ Drive upsells and recover abandoned carts

✅ Send order updates, reminders, and exclusive offers

✅ Automate customer support and reduce costs

✅ Create friction-free buying experiences with product browsing, payments, and forms—all within WhatsApp

And the best part? You don’t need any tech skills to do it.


Best Practices: Getting the Most Out of Ads That Click to WhatsApp

Now that we know why CTWA works, let’s explore how to make the most of it:

1. Match Your Targeting to the Funnel Stage

Meta gives you robust targeting tools. For Awareness campaigns, aim broad using Lookalike audiences. For Consideration, target users who’ve interacted with your page. Each funnel stage should have its own ad strategy.

2. Set Up a 24/7 Chatbot Auto-Reply

Customers expect quick answers, no matter the time of day. With iSlash AI, you can easily set up a 24/7 powerful Chatbot automatically replies to customer inquiries, even when your team is offline. This saves time, reduces inbound calls, and filters high-intent leads for live agents. Plus, it ensures that your customers receive immediate, relevant responses, increasing engagement and satisfaction.

3. Upsell and Cross-Sell Naturally

Once a user is chatting, don’t stop at answering their question. Recommend related or upgraded products during the conversation to increase average order value.

Always put the customer first: be helpful, not pushy.

4. Don’t Forget the Opt-In

Before you can send proactive messages to customers, they need to opt in. The easiest way? When they click your ad and start a conversation on WhatsApp, that first interaction becomes your opt-in.

✅ They clicked the ad.

✅ They sent a message.

✅ That counts as permission to engage.

Here’s a bonus: Meta gives you a free 72-hour window after that first message to follow up — at no extra cost. It’s your golden opportunity to qualify leads, send helpful content, or even retarget with an offer.

5. Build Long-Term Relationships

Clicking “Buy” doesn’t have to end the conversation. Keep your customers close by sending delivery notifications, exclusive coupons, or customer feedback surveys — all through WhatsApp.


From Social Traffic to Private Leads

CTWA transforms your social media ad clicks into direct, high-intent conversations on WhatsApp — instantly. No lead forms, no landing pages, no extra steps. When a user taps your ad, they land in your WhatsApp inbox.

This not only builds a more personal connection, but also gives you the opportunity to turn social traffic into private, owned leads.

With iSlash AI’s built-in CRM:

✅ Automatically capture customer name and phone number from WhatsApp

✅ Auto-label users based on behaviour or intent

✅ Segment audiences for future engagement

From discovery to conversion — all in one, direct channel.


One-Click Retargeting? Yes, We Can.

Retarget in One Click with WhatsApp Broadcasts.

Not every lead will convert immediately — and that’s where retargeting comes in.

Marketers, we’ve got you covered.

✅ Nurture conversations that paused

✅ Re-engage users with updates or offers

✅ Bring them back into the funnel — with one simple action

It’s fast, easy, and designed to help you close the loop.

Yes — we can do it. And we’ll make it effortless for you.


Drive More Value from Every Ad

Click-to-WhatsApp is one of the most efficient ways to maximize your Meta ad budget — and with the right tools, it gets even better.

As an official Meta Business Partner, iSlash AI helps you get the most out of CTWA with automation, CRM, and advanced campaign tools.

Our team knows the Facebook ecosystem inside and out, making it easier for you to:

  • Launch and optimize CTWA campaigns

  • Automate and scale follow-ups — no technical skills required

Your ads can do more — and we’re here to help you unlock that.


In this article, we talked about CTWA — one of the most effective (and free!) opt-in methods to start conversations with your customers. But it’s just one of many.

📌 Stay tuned for our next article: “More Ways to Start WhatsApp Conversations with Opt-In Methods You Should Be Using”


With iSlash AI, you don’t need to know how to code. Just drag, drop, and deploy.

And here's the game-changer: with , you can collect important first-party data directly in chat — like bookings, preferences, or feedback — without redirecting them to a website. It’s interactive, seamless, and always on-brand.

With iSlash AI, you can follow up with your CTWA users using — instantly reconnecting with your audience through personalized messages.

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