x402

Ripple USD

<a href="https://x.com/Ripple" rel="noopener noreferrer nofollow">@Ripple</a> has joined the <a href="https://x.com/linuxfoundation" rel="noopener noreferrer nofollow">@linuxfoundation</a> x402 Foundation as a Premier Member, adding its weight to a growing industry push to create a global standard for autonomous machine-to-machine payments using <a href="https://x.com/search?q=%24XRP&amp;src=cashtag_click" rel="noopener noreferrer nofollow">$XRP</a> and the regulated <a href="https://x.com/search?q=%24RLUSD&amp;src=cashtag_click" rel="noopener noreferrer nofollow">$RLUSD</a> stablecoin.
<h2 id="what-is-the-x402-protocol">What Is the x402 Protocol?</h2>
<cite>The x402 protocol was originally created by Coinbase and is now stewarded by the Linux Foundation's x402 Foundation. The concept revives the old HTTP 402 "Payment Required" status code and turns it into a real transaction mechanism.</cite><cite>An AI agent requests a paid service, receives a payment challenge, fires an on-chain payment, and resubmits the request with cryptographic proof. From the agent's perspective, it feels almost like a standard API call.</cite>
<cite>The x402 Foundation initially developed by Coinbase, Cloudflare, and Stripe, launched with a broad set of industry participants as it migrated toward an open source model for internet-native payments.</cite><cite>Its membership includes Adyen, Amazon Web Services, American Express, Circle, Google, Mastercard, Microsoft, Shopify, Solana Foundation, Stripe, Visa, and others.</cite>
<h2 id="ripple-s-case-for-xrp-and-rlusd">Ripple's Case for XRP and RLUSD</h2>
Ripple's entry centers on positioning the XRP Ledger as a capable settlement network within the x402 ecosystem. <cite>The integration includes support for x402-powered payments using XRP and Ripple USD (RLUSD), enabling AI agents to transact for APIs, compute, and other digital services.</cite><cite>Operations on the ledger feature deterministic finality that resolves within a 3-to-5-second range natively, and the system leverages existing institutional controls such as multi-signature schemes, deposit authorization, and escrow contracts.</cite>
<cite>Ripple promotes the XRP Ledger's three-to-five-second settlement times, predictable transaction costs, native escrow features, multisignature support, and built-in decentralized exchange as advantages for automated payments.</cite>
The broader x402 market, however, remains firmly in USDC territory for now. <cite>Data from Web3 Trackers shows more than 120 million cumulative x402 transactions and over $41 million in settled USDC volume, with Base accounting for roughly 70 million transactions and Solana processing about 45 million.</cite><cite>While Ripple touts fast, low-cost, protocol-level payments as advantages, Ripple has not yet disclosed real-world adoption metrics for agent payments.</cite>
<cite>The move aligns with Ripple's broader strategy to provide compliant, institutional payment infrastructure for emerging AI-driven commerce.</cite>
Sources: <a href="https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol" rel="noopener noreferrer nofollow">Linux Foundation: x402 Foundation Launch Announcement</a> <a href="https://ripple.com/insights/xrpl-ai-starter-kit/" rel="noopener noreferrer nofollow">Ripple: Introducing the XRP Ledger AI Starter Kit</a> <a href="https://www.coindesk.com/tech/2026/06/11/ripple-wants-ai-agents-to-pay-in-xrp-and-rlusd-the-market-is-still-mostly-usdc" rel="noopener noreferrer nofollow">CoinDesk: Ripple Wants AI Agents to Pay in XRP and RLUSD</a>

Ripple Joins x402 Foundation To Standardize AI Agent Payments

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