x402 Foundation Members: The Full 40-Member Roster (And the Honest Caveat)

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The x402 Foundation — the Linux Foundation body stewarding the x402 machine-payment protocol — has 40 member organizations as of its July 14, 2026 operational launch. Every article covers the announcement; nobody published the full roster as infrastructure intelligence. So here it is: all 40, by tier, with what each heavy hitter structurally adds. April 2, 2026: intent to launch at the MCP Dev Summit ("4/02 Day"). Coinbase contributes x402 to the Linux Foundation.

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