WhatsApp Third-Party Chats in Europe: DMA Interoperability Explained (2026)

Imagine a world where you're not locked into just one messaging app – where you can seamlessly chat with friends and family no matter what platform they're using. That day has arrived, at least for WhatsApp users in Europe! Meta is now rolling out a groundbreaking feature that lets you connect with people on other messaging services directly from WhatsApp. This is all thanks to the Digital Markets Act (DMA), forcing big tech to play nice with each other.

This new feature, aptly named "third-party chats," is currently being launched across Europe, allowing WhatsApp users to connect and communicate with users on other messaging apps that have chosen to be interoperable. Early adopters include BirdyChat and Haiket, with more expected to join the party soon. You can check them out at (https://www.birdy.chat/) and (https://haiket.com/).

This isn't just a small tweak; it's a major shift in how we think about messaging. It represents a significant step in Meta's journey to comply with the EU's DMA interoperability requirements. WhatsApp users in Europe who choose to opt-in (it's not automatic, you have to enable it) will be able to exchange messages, photos, voice notes, videos, and files with users of these other platforms, across both Android and iOS. The ability to create group chats with users on these third-party apps will follow as soon as those partners are ready to support the functionality.

But here's where it gets controversial... How do you balance interoperability with privacy and security? Meta claims they've been working on this for over three years, collaborating with European messaging services and the European Commission to develop a solution that meets DMA requirements while preserving user privacy and security as much as possible.

They've outlined three core principles to achieve this:

  • Protecting user security and privacy: Third-party apps must use the same level of end-to-end encryption (E2EE) as WhatsApp, as required by the DMA. This is crucial to ensure that your conversations remain private, no matter what app you or your contacts are using. But is it truly possible to guarantee the same level of security across all platforms? That's a question worth pondering.
  • Clear and simple experience: Meta aims to provide a straightforward onboarding process, ensuring users understand the key differences between regular WhatsApp chats and these new third-party chats. It's important to be aware that connecting to third-party apps could introduce new risks, so understanding the nuances is key.
  • Available to European users: As mandated by the DMA, third-party chats will be available to people within the European Region.

For WhatsApp users, the crucial point is that connecting with people on other messaging apps is entirely optional. You have the power to turn third-party chats on or off at any time, giving you full control over your messaging experience. And this is the part most people miss: it's not just about convenience; it's about having the choice to connect with others on your terms.

Meta emphasizes that they've built this interoperability while maintaining E2EE and other privacy safeguards as much as possible. If you're a techie and want to delve into the technical details, you can check out their engineering blog post on the topic here: (https://engineering.fb.com/2024/03/06/security/whatsapp-messenger-messaging-interoperability-eu/).

Over the next few months, WhatsApp users in Europe will see a notification in their WhatsApp Settings tab, explaining how to opt-in to connect with people on these third-party apps. For more information, you can also visit this FAQ page: (https://faq.whatsapp.com/916543719558426).

Meta promises to keep everyone updated as they roll out more features and expand their interoperability offerings as required by the DMA. You can find more information about Messaging interoperability at Meta here: (https://developers.facebook.com/m/messaging-interoperability/).

So, what do you think? Is this a positive step towards a more open and connected messaging landscape, or are you concerned about the potential security and privacy implications? Will you be opting in to third-party chats, or will you stick to traditional WhatsApp conversations? Share your thoughts and concerns in the comments below!

WhatsApp Third-Party Chats in Europe: DMA Interoperability Explained (2026)
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