Focus on your campaigns – we will handle the technical complexity
With WhatsApp, you gain a direct, personal, and innovative channel to your customers. WhatsApp newsletters work just like email newsletters. You send messages via our platform to multiple recipients at once with your logo, and with images, documents, or videos. WhatsApp messages are far more successful than email: they are read far more frequently than emails. And you can immediately see how many recipients actually opened your WhatsApp message → Learn all the details in our blog post
over 90%
Open rate
6 million
users in Switzerland
up to 35%
Click-through rate
1 billion
active users worldwide daily*
* Data on WhatsApp usage from de.statista.com, pc3.de, and mailchimp.com
Welcome to the world of efficient customer communication via WhatsApp
Guided onboarding – Our experts personally guide you through every step and handle the setup of the platform and your business account for you. We help you create your first newsletters as WhatsApp templates with text and images, and work with you to customize the automated dialogue on the channel when customers want to sign up.
- The service complies with EU data protection regulations in accordance with the GDPR and the Swiss Data Protection Act (DSG 09/2023).
- Your customers’ opt-in and opt-out options comply with the latest Swiss legal standards. Your customers can subscribe and unsubscribe themselves via QR code or link.
- You have access to comprehensive statistics and tracking features to gain detailed insights and analyses of user behavior and performance.
- You receive a powerful campaign portal with an optional multilingual chatbot, whose texts can be customized.
- Mobile numbers – You can book as many mobile numbers as you like with us without having to deal with a telecom provider.
- The pricing for sending messages and communicating with your customers is fair and attractive.
eCall Tip
Why not test it out live on your phone right now to see how sign-up works! Click the link below to sign up for our WhatsApp newsletter → Sign up for the newsletter
Or simply scan the QR code →

Signing up for the WhatsApp newsletter is this easy for your customers
To start the sign-up process, provide your customers with a web link or a QR code that can be easily scanned with a mobile phone.
Customers are then guided through the legal aspects such as the Terms and Conditions and general terms of use as well as the legally required opt-in process, and welcomed
Now you can request additional information from customers. This can be customized to your needs.
And that’s it the sign-up is complete. You can send messages until the customer unsubscribes (opt-out).

Officially certified by Meta – F24 Schweiz AG is a tech provider
F24 Schweiz AG is now officially recognized as a Meta tech provider. As a verified partner, we have access to special interfaces and thus provide secure real-time business messaging solutions GDPR and revDSG compliant with hosting in Switzerland.
Benefits for our customers:
- Seamless integration with Meta systems
- Highest security and data protection standards
- More efficient use of WhatsApp for newsletters, customer service, and marketing
Would you like to use only the API in your application for WhatsApp marketing?
Real-world examples of how your business can use WhatsApp for promotional messages.
Save your customers time and effort by eliminating the need to switch between WhatsApp and other apps or websites. Now customers can discover products or learn about offers all within a single conversation.
Offer limited-time promotions
Advertising messages via WhatsApp are ideal for campaigns with limited-time promotional offers. This ensures your advertising message gets the attention it needs. Such messages create a sense of urgency and ensure your customers don’t lose track of the limited-time offers.


Inform your customers about important events
All customers love receiving personalized and exclusive information. WhatsApp is ideal for informing your target audience about special events such as an “open house,” all kinds of celebrations like anniversaries, or a store opening and combining this with an incentive that brings joy to your customers.
Send holiday-themed promotional offers
Make sure your promotional messages stand out during busy shopping seasons like Black Friday, summer sales, Christmas, etc. With WhatsApp marketing messages, you can reach your customers directly and effectively without getting lost in the flood of marketing messages. Our WhatsApp solution helps you stand out during these periods and makes it easier for your customers to discover and take advantage of your offers in a timely manner.


Recommend products your customers might like
Inform your customers about items they might like because they’ve already purchased them from you or because they’re related to their browsing behavior. You can send product lists with details and additional information to make selecting products more attractive and easier than ever.
Offer discounts for special occasions
Send personalized messages for special occasions such as birthdays, anniversaries, and any other dates that are meaningful to your customers. These are excellent opportunities for WhatsApp marketing to send your customers memorable promotional messages and show your appreciation.

The future of customer communication is here.
Enhance the customer journey through effective communication. You have the freedom to design unique and creative campaigns. Once customers have agreed to receive promotional messages via a WhatsApp newsletter, you can immediately start creating engaging promotional messages in their inbox. Boost your product sales by promoting them via WhatsApp and giving customers the chance to discover your products directly within the app.

Natalie Wieser
Product Manager Omnichannel
[email protected]
T +41 44 787 30 70
Would you like to test sending newsletters via WhatsApp?
I look forward to your message or phone call.
I’d be happy to advise you personally.
WhatsApp Newsletters with F24 – Frequently Asked Questions (FAQ)
Effective customer marketing via WhatsApp – everything you need to know. In this FAQ, we answer the most important questions about WhatsApp newsletters with eCall – concisely, clearly, and practically.
A WhatsApp newsletter allows you to send messages to multiple recipients simultaneously, similar to email newsletters. Through the F24 platform, you can send messages featuring your logo, images, documents, or videos—messages that are read significantly more often than emails.
Yes, you can test our service for free. Click the “Try for Free” button at the top of this page to get started.
WhatsApp messages have an open rate of over 90% and a click-through rate of up to 35%. This allows you to reach your customers directly and personally, which increases the effectiveness of your marketing campaigns.
Provide your customers with a web link or QR code that they can scan with their mobile phone. They will then go through the sign-up process, which includes legal aspects such as terms and conditions and opt-in. After that, you can request additional information, and the sign-up is complete.
The eCall service is EU-compliant in accordance with the GDPR and complies with the Swiss Data Protection Act (DSG 09/2023). Your customers’ opt-in and opt-out procedures comply with the latest Swiss legal standards.
Our experts provide personalized support at every step and handle the setup of the platform and the business account. We help you create your first newsletters as WhatsApp templates with text and images and work with you to customize the automated dialogue for customer sign-up.
You can send targeted promotional messages such as coupons, discount codes, limited-time offers, special promotions, and much more through a single, centralized channel.
The sign-up process is designed to be simple. Customers can sign up via a web link or QR code, are guided through the legal terms, and can provide additional information. Once registration is complete, you can send messages until the customer unsubscribes (opt-out).
No special technical requirements are necessary. eCall handles the technical complexity so you can focus on your campaigns. Our platform is user-friendly and requires no in-depth technical knowledge.
Our platform provides you with comprehensive statistics and tracking features to gain detailed insights and analyses of user behavior and campaign performance.
You might also be interested in:
WhatsApp Newsletters – Customer Communication Redefined
Thank you for your interest in using our service to send newsletters via WhatsApp.
- Please fill out the web form. I will contact you shortly by phone to discuss the next steps. You can also contact me by phone at +41 44 787 30 70

