Cardano has integrated with the x402 SDK, enabling applications and AI agents to pay for API calls directly in ADA or Cardano-native tokens using standard HTTP requests without needing accounts or API keys. This integration leverages the HTTP 402 "Payment Required" status code to facilitate on-chain payments that are verified instantly, simplifying transactions and removing intermediaries. The system supports Cardano's mainnet and testnets, and includes stablecoins like USDM and DJED to reduce volatility risks. This official integration, contributed by Cardano Foundation engineers, standardizes the payment process for developers and enhances AI-driven API interactions.
Cardano integration with x402 SDK is the story's subject. For readers following major cryptocurrencies, here is Pluang's market snapshot as of Sep 21, 2026 13:31 WIB: 41 of 50 major cryptocurrencies rose today. Notable movers include COTI at Rp315 with a -5.28% change, DOGE at Rp1.589 with a +5.02% change, and XLM at Rp3.538 with a +4.95% change.
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