PANews reported on June 13 that, according to CoinDesk, Ripple is attempting to introduce XRP and its stablecoin Ripple USD into the AI agent payment market, aiming to penetrate the on-chain micropayment system currently dominated by the USD stablecoin. Ripple has reportedly announced the release of the "XRPL AI Starter Kit," providing developers with a toolset to build AI agent payment capabilities. This allows intelligent agents to complete payments, balance inquiries, and wallet operations on the XRP Ledger, and supports automated payment processes based on the x402 protocol.

This toolkit includes access to XRPL data sources via MCP servers, Claude skill integration (wallet creation, balance inquiry, payment functions), and support for machine-to-machine payments between XRP and RLUSD within the x402 framework.

The x402 protocol, proposed by Coinbase and maintained by the x402 Foundation of the Linux Foundation, utilizes the HTTP 402 "Payment Required" status code to enable AI agents to automatically complete on-chain payment and confirmation processes during API calls, and is considered a potential infrastructure for the machine economy.

The market is still in its early stages, but on-chain data shows that this model is growing rapidly: x402 has accumulated over 100 million transactions on the Base chain and has expanded to multiple chains such as Solana, with a total transaction volume exceeding 120 million. The USDC settlement scale is approximately $41 million, with an average payment of about 5 cents per transaction. However, the current ecosystem is still highly concentrated on stablecoin payment networks, with Base and Solana accounting for the vast majority of transaction traffic, mainly used for API calls, model inference, and microservice settlement scenarios.

Ripple's core narrative lies in XRPL's 3-5 second confirmation speed, low fees, native DEX, escrow, and multi-signature mechanisms, which provide more stable underlying settlement capabilities for high-frequency AI Agent payments and reduce smart contract execution risks. However, challenges are equally apparent. The x402 mechanism still faces risks related to on-chain and Web request synchronization, including issues such as payment proof matching, duplicate payment verification, and authorization failures. The academic community has also pointed out its potential vulnerabilities in a hybrid architecture of "Web2 + on-chain settlement."

Ripple has not yet disclosed any large-scale customer deployments or real-world production-grade AI Agent payment transaction data. The solution is still in the early stages of infrastructure and developer ecosystem exploration.

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