Integrate WhatsApp on a website - That's how it works [June 2025]

06.06.2025

Min. Lesedauer

Arrange a non-binding consultation now

In a non-binding conversation, we'll show you how to use messenger communication in compliance with GDPR, automate processes and achieve measurably more revenue and efficiency with WhatsApp. Clear, practical and tailored to your company.

Leonie Cecilie Schlüter

marketing manager

WhatsApp on the website? A real game changer! Your customers reach you swiftly and upfront, without detours via an email form. This not only creates closeness, but also actively supports Buying decision — and that works: higher shopping carts, more turnover. Thanks to the familiar WhatsApp atmosphere, the contact feels almost like being with friends — ideal for Service, Sales and marketing. In this article, we'll show you how to easily integrate WhatsApp into your website — Instructions included and Practical tips.

Summary — Integrate WhatsApp on the website:

Direct communication: Customers can get in touch instantly via WhatsApp — without detours.
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Better user experience: Faster, more personal and more modern than email forms.
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Sales increase: Proximity to customers promotes buying decisions and increases shopping carts.
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Higher conversion: WhatsApp looks familiar — this increases interaction and engagement.
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4 integration options:
- Wa.me-link (quick start to chat)
- QR code (ideal for offline touchpoints)
- WhatsApp button (via plug-ins, limited customization)
- hellomateo web widget (multiple channels, fully customizable, GDPR-compliant via API)
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Observe GDPR: Only the WhatsApp API — as with hellomateo — can be used in accordance with the law.

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What are the benefits of WhatsApp integration on the website?

Integrating WhatsApp on your website offers numerous benefits. First, it allows you to use the improve communication with your visitors and the customer service to optimize. Second, increase the usability your website, as visitors can get in touch with you immediately without having to leave the website. In addition, integrating WhatsApp can also increase visitor engagement and result in higher conversion rates.

Die user atmosphere from Germany's most popular messenger service whatsapp (>60 million users) is very informal in contrast to email, as most users communicate with friends and family via WhatsApp. When companies can be reached via WhatsApp, this creates a proximity to customers that is simply not possible with emails. E-mails are too distant and too impersonal and therefore as a channel that primarily emotional buying behavior Not the right way to influence consumers.

The excellent Accessibility Customer service, combined with customer proximity on WhatsApp and the resulting significantly improved ability of your company to influence customers' buying decisions, leads to significantly increased sales revenues. Various experience reports show that switching email contact forms to WhatsApp can significantly contribute to company success.

By the way: WhatsApp is not only suitable for helping your customers make purchase decisions and service inquiries — with WhatsApp newsletters are excellent marketing run. With an opening rate of up to 98% (Source: Gartner) and the personal user atmosphere on WhatsApp, you can easily increase your sales.

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Option 1: Create and publish a WhatsApp link

With WhatsApp, there is the option of so-called Create WA.me links. By clicking on this link, users are taken directly to the chat with your company. The link can be created free of charge with the hellomateo generator:

Call the URL https://www.hellomateo.de/whatsapp-qr-code-generator on.
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Enter your WhatsApp business number on the corresponding line.
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Optionally Can you a message template add.
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Click on”Create QR code“and create your personal link.
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copying Use your WA.me link.
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Add the link to as many places as you like on your website one.
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When needed Can you complete the process with more message templates retry and paste the link in the appropriate places on your website.

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Option 2: Convert the created link to a QR code

As with any other link, a QR code can also be created for the link created in option 1. In principle, a QR code is nothing more than digital information in optical form. This means that the QR can be scanned with a smartphone camera and the link can be opened directly on the smartphone. If the WA.me link is scanned on a smartphone on which WhatsApp is installed, the chat with your company automatically opens in the WhatsApp application. Try it out right away and scan the QR code that you can use to get to our WhatsApp newsletter Can log in:
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QR codes have the advantage that they can also be used excellently at non-digitized contact points. You can therefore print your QR code on flyers, brochures, advertising banners, displays in stores or on documents and thus offer your customers and prospective buyers an easy way to contact you.

To create a QR code, you can also use our WhatsApp QR code generator.

possible free of charge with the hellomateo generator:

Call the URL https://www.hellomateo.de/whatsapp-qr-code-generator on.
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Enter your WhatsApp business number on the corresponding line.
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Optionally Can you a message template add.
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Click on”Create QR code“and create your personal link.
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With a right click on the QR code and select”Save image as“You can save the QR code on your device and, for example, print it out or upload it to your website.
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Publish the QR code depending on the purpose of use on your website and on flyers, brochures, advertising banners, displays and documents

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Note: The use of The default WhatsApp business app is not GDPR-compliant. In order to avoid warnings, lawsuits and severe penalties, companies should only contact the WhatsApp API interface communicate.

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Option 3: WhatsApp button on the website

With some website providers How do WIX or Wordpress stand extensions (plug-ins) are available that allow you to add a WhatsApp button to your website. Depending on the provider and existing IT knowledge, this may be implemented fairly quickly, but only offers severely limited customization options. In addition, you should note that customer communication with WhatsApp is exclusively via the WhatsApp API entirely GDPR-compliant is.

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Option 4: Hellomateo web widget and GDPR-compliant communication via the WhatsApp API

With a web widget, as is the case with Hellomateo is included, you can connect a number of other communication channels such as Instagram, Facebook, email and SMS as well as customize the appearance of your web widget. So they are Customization options are much more diverse as with WhatsApp buttons via website builders. With the hellomateo web widget, your customers have the freedom to choose their preferred communication channel. Another extremely important advantage: Communication via the web widget by hellomateo runs over the WhatsApp API interface and is therefore 100% GDPR-compliant, in contrast to the normal WhatsApp Business version.

All web widget messages end up in the hellomateo inbox. Your entire team can reply to these messages, organize them, and add comments and notes.

Feel free to try out the web widget on our website. You'll find it at the bottom right (cookies must be accepted for the widget to be visible).
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Hellomateo web widget: In addition to WhatsApp, other channels can also be connected.

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Just arrange a free consultationto find out all the details

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Digital customer journeys, effective marketing and much more with the WhatsApp Business Platform and hellomateo

With hellomateo and the WhatsApp Business Platform companies can inspire their customers with customer communication and marketing, maximize their sales and minimize internal workload. that Embed WhatsApp on your website, integrations with thousands of other software applications, WhatsApp newsletter marketing, unlimited scalability and flexibility, automatic responses, GDPR compliance, etc. — the WhatsApp Business Platform has so much to offer. Just arrange a free consultationto find out all the details Our customers know the following benefits particularly appreciated:

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Auflistung der Vorteile der WhatsApp Business Platform

‍Central user interface: hellomateo combines WhatsApp Business Platform, email, Instagram, SMS and Facebook Messenger in one central inbox. The intuitive user interface includes various tools for efficient customer communication and saves you valuable working time.
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integrations: With hellomateo, you can use WhatsApp in integrate over 6,000 software programs and fully automated Customer trips create with invitations, order confirmations, shipping information, invoices, and reminders.
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Newsletter marketing: Send GDPR-compliant Newsletter via WhatsApp or SMS and benefit from opening rates of over 95%.‍
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Assessment management: hellomateo can Automatically request online reviews from your customers, which boosts your Google ranking and trust in your company.
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‍Data protection: hellomateo meets all German and European Data protection requirements and offers end-to-end encryption for secure customer communication.
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scalability: Our software is suitable for Businesses of all sizes and can be extended indefinitely depending on the package.‍
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‍Diverse AI features: Our AI agent can automatically answer customer inquiries in chat, answer calls, help with the formulation of messages and much more.
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Arrange a non-binding and free consultation and we'll show you how hellomateo covers your communication needs! Simply book an appointment here or write to us via our web widget.

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About the author

Leonie Cecilie Schlüter

marketing manager

Leonie Cecilie Schlüter is a marketing manager at hellomateo, comes from near Husum and is therefore one of the few northern lights on our team. She studied and worked in London for many years and worked in various industries. In addition to companies in the fashion, pharmaceutical, design and events sectors, she has also worked in a social media agency. Leonie is therefore not only familiar with the industries of many hellomateo customers, but also with the usual challenges faced by SMEs in the marketing sector. At hellomateo, she is responsible for planning trade fairs, social media and branding.