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Circle’s x402 Facilitator Service goes live on Arc, supports Base and Polygon PoS
What happened
The new service lets sellers accept USDC payments without managing their own relayers or gas wallets, launching alongside Circle's Arc mainnet with BlackRock, DTCC, and Visa as founding validators. Wed 16 Sep 2026 · 12:43 EDT · 3 min read In Technology Circle just made it a lot.
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