Huo Xing Cai Jing reports that on April 7, Uniswap founder Hayden Adams tweeted that since Uniswap’s API was integrated into MetaMask’s aggregated trade routing system a month ago, it now accounts for approximately 40% of MetaMask’s swap volume. He also noted that Uniswap has made its API key available free of charge to all developers.
Uniswap API accounts for 40% of MetaMask swap transactions.
MarsBitShare
Summary
According to on-chain news from MarsBit, the Uniswap API now handles 40% of MetaMask swap transactions. Uniswap founder Hayden Adams shared this update on April 7, 2026, one month after the API integration. He confirmed that API keys are open to all developers. This development comes amid growing crypto news surrounding DeFi tools and wallet integrations, as MetaMask users increasingly route swaps through Uniswap’s API, signaling strong adoption. Developers can now build on this open system without restrictions.
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