Polymarket Makes Strategic Acquisition: Prediction Market API Innovator Dome Joins the Ranks

Prediction Market Leader Expands Reach

Leading on-chain prediction market platform Polymarket has announced its acquisition of startup Dome, marking the company's second strategic purchase this year. Financial terms of the transaction were not disclosed.

Technical Breakthroughs from Dome

Former Y Combinator 2025 fall batch member Dome developed a universal API for prediction markets. This technological solution enables developers to create applications, trading bots and analytics tools that can connect with multiple platforms including Polymarket and Kalshi.

• Received $500k seed funding from YC
• Achieved $4.7M total seed financing
• Specializing in cross-platform API development

Accelerating Market Consolidation

With a current valuation of $9 billion, Polymarket is accelerating its market integration strategy. Following the successful acquisition of US licensed derivatives exchange QCEX that enabled renewed US market access, the company has established content distribution partnerships with Major League Soccer (MLS), National Hockey League (NHL) and media platform Substack.