The European Union’s threat to impose interim measures on Meta Platforms over its handling of artificial intelligence services on WhatsApp is shaping up to be more than a routine antitrust dispute. It could become a defining moment for how competition is enforced in the rapidly expanding AI economy, particularly where dominant messaging platforms act as critical gateways.

Meta recently decided to restrict access to WhatsApp’s business interfaces in a way that favours Meta AI, while excluding rival chatbot and AI service providers. This drew backlash from EU regulators who argue that this move risks allowing Meta to leverage WhatsApp’s vast user base to entrench its position in the AI market before competitors have a fair chance to scale.
From messaging dominance to AI gatekeeping
WhatsApp is not just another consumer app in Europe. With hundreds of millions of users, it functions as essential digital infrastructure for communication, commerce, and customer engagement. By limiting which AI tools can operate within that ecosystem, regulators say Meta may be transforming platform dominance into AI gatekeeping power.
The European Commission has already sent Meta a formal statement of objections, outlining preliminary findings that the policy could breach EU competition law. Crucially, it is now considering interim measures, a rarely used but powerful tool designed to prevent “serious and irreparable harm” to competition while a full investigation is ongoing.
In practical terms, this could mean forcing Meta to temporarily reopen WhatsApp to third-party AI providers until the case is resolved.
Why interim measures matter
Antitrust cases often take years. In fast-moving sectors like AI, that delay can be fatal for smaller innovators. Regulators fear that if Meta’s restrictions remain in place, rival AI developers could be permanently locked out of one of Europe’s most important digital distribution channels.
Interim measures would signal that regulators are no longer willing to let market outcomes be decided by default while investigations drag on. Instead, they would actively preserve competition during the process, marking a shift that could reshape enforcement strategy in digital markets.
Meta pushes back
In the meantime, Meta has criticised the EU’s approach, arguing that WhatsApp is not an essential route to market for AI services and that developers and users can access AI tools through multiple other channels, including standalone apps and the web.
The company also contends that regulators are overstating the competitive importance of WhatsApp’s business APIs and interfering with product design decisions that fall within legitimate commercial discretion.
A broader test for AI competition rules
Beyond Meta, the case raises a fundamental question about whether dominant digital platforms should be allowed to privilege their own AI services within ecosystems they control.
The EU appears increasingly inclined to answer “no,” particularly where those ecosystems function as bottlenecks. Similar concerns are emerging globally as AI tools become embedded into search engines, operating systems, app stores, and social platforms.
Italy’s competition authority has already taken parallel action against Meta, reinforcing the sense that European regulators are coordinating a tougher stance on AI-related self-preferencing.
What comes next
Meta will have the opportunity to respond to the Commission’s objections before any interim measures are imposed. If regulators ultimately conclude that the company violated competition law, penalties could include substantial fines and long-term obligations to open WhatsApp’s infrastructure to rival AI providers.
More broadly, the outcome could set a precedent for how AI competition is governed in platform-dominated markets, not just in Europe, but globally.
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