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Cardano has joined the x402 software suite, positioning itself for AI agent payments.

2026.09.22 12:33:17

Cardano has been integrated into the official x402 software suite, enabling developers to build applications and AI agents that support payments in ADA and Cardano network tokens, allowing AI agents to complete on-chain payments directly for services like online data and computing resources. Launched by Coinbase in 2025, x402 converts the HTTP "402 Payment Required" status code into a native payment mechanism: service providers return pricing and payment instructions, AI agents sign transactions and access data or computing services after payment verification, eliminating the need for manual account registration, bank card details input, or subscriptions. Cardano Foundation engineers finalized the relevant specifications in June this year, and developed the client, server, and Facilitator component responsible for transaction verification and submission. The first version currently supports TypeScript, with a Python version planned for future release. However, the Facilitator has only completed actual transaction tests on Cardano’s pre-production network and has not yet been deployed on the mainnet, so it cannot yet be confirmed that ADA has achieved large-scale commercial AI agent payments. Solana, the XRP Ledger, and multiple Ethereum-compatible networks already support x402, and Cardano is joining the competition in AI agent machine payment infrastructure.

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