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Payments

x402

Open payment protocol from Coinbase that revives HTTP 402 for programmatic stablecoin payments. Lets APIs, AI agents, and content services charge per request using onchain settlement, with Coinbase-hosted facilitator support for Base and Solana.

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Supported Chains

BaseSolana

Best For

x402 is useful for builders evaluating Payments across Base, Solana.

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