WhatsApp has launched interoperability features in Europe, enabling users to send encrypted messages to third-party apps. This initiative aligns with the European Union's Digital Markets Act (DMA) requirements.
Implementation Details
As of November 2024, EU users can message services like BirdyChat while maintaining end-to-end encryption. WhatsApp announced this rollout on 2024-11-14, initially collaborating with a select number of apps.
- WhatsApp users must opt in to use this feature.
- Supported media types include text, images, and voice messages.
- Meta uses the Signal Protocol for encryption.
Technical and Regulatory Challenges
This development required Meta to adapt WhatsApp's infrastructure to integrate securely with external apps. The adaptation process, lasting over three years, included cryptographic measures to ensure message integrity.
Regulators like BEREC reviewed Meta's approach, ensuring it meets user rights and privacy standards. Privacy advocates express concern over potential vulnerabilities introduced by third-party apps.
Market and Privacy Implications
Interoperability could increase visibility for smaller apps but challenge WhatsApp's market dominance. Initial exclusions include group chats and video calls, with expansions contingent on regulatory feedback.
While privacy groups welcome maintained encryption, they are cautious about metadata exposure and regulatory conflicts, such as potential mandatory scanning proposals.
WhatsApp's EU interoperability may influence global messaging norms, navigating innovation, competition, and privacy at a pivotal moment for tech regulation.



