Check if a number is on WhatsApp

The free Check WhatsApp numbers Tool
Check if a number is on WhatsApp
Bulk check for WhatsApp account availability on numbers

No-Code WhatsApp Checker

How to bulk verify if numbers have a WhatsApp account? Whapi.Cloud presents a no-code, bulk WhatsApp number checker tool designed to simplify your WhatsApp marketing efforts. A bulk check tool that allows you to easily, quickly and accurately filter large lists of WhatsApp numbers and weed out the invalid ones.

  • Flexible billing: API or check-only plan
  • Without any technical limitations on the speed and volume of checks
  • Intuitive tool for any skill level
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Bulk check via API? Sure!

If you are a developer, you might find our open source project for software number check useful! This tool was created using our public API. You can find out the status of a phone number or an array of numbers through our HTTP API.
Additional features: online status, last seen and more
No limits and restrictions
Balancer for optimum inspection speed without blockages
Check any numbers imported from a CSV file and save with any filters
The best Number Checker for WhatsApp
100% accurate and High-Speed Validator

Free Check WhatsApp numbers Tool

A simple way to check if a number uses WhatsApp (WA) Messenger. Our free plan lets you check up to 30 numbers daily—perfect for small businesses! For higher-volume needs, you can easily upgrade to a paid plan for unlimited checks or choose our done-for-you service where we handle your entire list for you with ease!

  • Clear your database of unnecessary numbers
  • Optimize your resources and save time and money
  • Integrate into your application or program
Let's Chat About Bulk Check
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WhatsApp Bot Usage
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See What Our Clients Built
with Whapi.Cloud

“Managing multiple WhatsApp groups is simple with Whapi.Cloud. I can oversee group activity, manage admins, and post updates effortlessly. It’s a perfect way to generate leads directly from WhatsApp groups.”

Group Management and Lead Generation from WhatsApp Groups

Carlos da Silva
“Our hotel uses WhatsApp to send guests essential check-in details like door codes. This ensures they always have the info they need. We can even process photos guests send, such as proof of checkout.”

Smart Hotel Communication for Check-In and Guest Support

Ana-Maria Ionescu
“We manage a WhatsApp Channel and use Whapi.Cloud to monitor similar channels and competitors, scraping the best deals and posting them for our audience.”

Automated Discount Channel Management

Katrin Schneider
“We use Whapi.Cloud to verify which numbers in our database are on WhatsApp by sending cascading broadcasts. This way, we filter our contacts, reduce marketing costs, and know our messages reach active users—maximizing campaign efficiency.”

WhatsApp Number Verification and Audience Filtering

Sergio Navarro
“Our hospital’s bot, powered by Whapi.Cloud, lets patients see available appointment slots for specific doctors and notifies them when test results are ready. It keeps everyone informed and reduces the time our team spends on manual updates.”

Hospital Bot for Appointment Scheduling and Notifications

Fernanda Oliveira
“We use personalized promotional offers to engage customers weeks after their purchase, sending out exclusive discount vouchers via WhatsApp. We also send a special offer for each customer’s birthday, which boosts loyalty and keeps them coming back.”

Customer Loyalty and Retention

Lukas Wagner
“As soon as an order ships, our customers get tracking details and delivery updates directly on WhatsApp. This real-time communication builds trust and reduces the number of inquiries we receive after purchase.”

Order Tracking and Delivery Updates

Matei Popescu
“If a customer leaves items in their cart on our site, WhatsApp Bot automatically sends a friendly reminder. This gentle nudge has significantly increased our checkout rate, helping us convert more sales.”

Abandoned Cart Reminders

Hans Müller
Inhouse Developed & Managed

What is Whapi.Cloud?

Straightforward and powerful! Whapi.Cloud is an intuitive API that enables you to seamlessly connect your business with WhatsApp.
With Whapi.Cloud, you can focus on what really matters – growing your business.
Enjoy endless integration possibilities, such as building support bots, scheduling appointments, sending WhatsApp notifications, and so much more.
Plus, monitor everything effortlessly with webhooks. Getting started has never been easier!

Our service provides full control and management of WhatsApp groups, communities and channels.

Add dynamics and new features: media, buttons, reactions, stories, orders and products. All of these are available to you for customer interaction.

Our care team will respond quickly and help you with any questions you may have!
Explore WhatsApp Automation View
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