Source: Coinbase
HTTP 402 is a network status code indicating “payment required,” but it has long been rarely used in practice. The x402 protocol exploits this status code: when an AI agent sends an API request, the server returns an HTTP 402 status code with the message “payment required to continue.” The AI agent recognizes this message and automatically pays the corresponding fee in stablecoins. The specific process is as follows: 1. When an AI agent attempts to access paid services such as news, APIs, and data, the server will return an “HTTP 402 Payment Required” status code. This response not only includes a “Payment Required” notification but also includes key information such as the payment method, payment amount, and recipient’s wallet address. 2. The AI agent generates a transaction with the corresponding amount based on the information provided by the server, adds a digital signature, and sends it back to the server. 3. The server passes the transaction to the Facilitator, who verifies the payment and completes the transaction on the blockchain. 4. After payment is completed, the server will open access to the paid service to the AI agent. The value of x402 goes far beyond simply providing a payment standard for AI agents. Because payments are made using a blockchain-based stablecoin, it enables previously unattainable micropayments. AI agents can call APIs or pay for services in real time based on actual usage. Simultaneously, human users can access content directly through micropayments, bypassing complex steps like API key management and account registration. Has entered the hype stageSource: a16zcrypto
Launched in May 2025, the x402 protocol initially garnered only moderate attention. However, after being mentioned in a16z’s report, “The State of Cryptocurrency 2025: The Year Crypto Goes Mainstream,” the protocol’s popularity surged. Gartner predicts that the intelligent commerce market will reach $30 trillion by 2030, and a16z notes that x402 has the potential to become a core payment channel for AI agents. The most direct sign that x402 has entered a hype phase is the surge in the prices of related tokens. For example, $VIRTUAL, a token that tends to rise in tandem with the rise of the “AI agent” concept, saw a 40% increase in just two days. Other related tokens also saw significant increases, as shown in the chart below. On the surface, x402 appears to be no different from other hype-fueled crypto concepts—empty, superficial, and driven solely by market hype. Indeed, many new crypto concepts follow this path: small projects and meme coins experience skyrocketing prices, only to quickly fade into obscurity. However, x402 differs fundamentally from these concepts. First, “AI-powered payments” is not only highly relevant in the crypto space but also holds real value across the AI industry, making it a promising topic. Second, numerous Web2 companies are actively pursuing and adopting x402. These factors suggest that x402 will likely transition quickly from hype to infrastructure development rather than lingering in the long term. Infrastructure construction phase is in progress Currently, the x402 protocol is in both the “hype phase” and the “infrastructure phase.” In fact, even before the hype phase, numerous Web2 and Web3 companies had already begun building infrastructure for x402 and integrating it into their own services. Therefore, it’s more accurate to say that x402 started in the “infrastructure phase.” Interestingly, unlike typical encryption concepts, x402 has attracted the attention of many Web2 technology giants, and these companies have begun to actually adopt the protocol. Cloudflare Cloudflare is a company that provides Internet infrastructure and security solutions. It recently launched services such as “Agents SDK” (to help developers quickly create and deploy AI agents) and “Workers AI” (AI model reasoning runtime environment). Cloudflare and Coinbase jointly launched the x402 Foundation, which is very active in the x402 ecosystem. Its Agents SDK service has integrated the x402 protocol, enabling AI agents to easily complete payments over the internet. Notably, Cloudflare recently launched the “NET Dollar,” a USD-denominated stablecoin designed specifically for AI agents. In the future, AI agents developed using the “Agents SDK” will be able to conduct commerce activities with the NET Dollar via the x402 protocol. Vercel Vercel is a cloud platform company that helps developers quickly build and deploy web applications. Recently, Vercel launched services such as the Vercel AI SDK and Vercel MCP. The former makes it easier for developers to build and deploy AI agents, while the latter enables access to projects through the MCP interface. In September 2025, Vercel released the x402-mcp tool, which enables AI agents to automatically complete payments using x402 when accessing paid APIs or resources through MCP. Google Cloud Google Cloud previously launched the A2A protocol (AI Agent Communication and Collaboration Protocol), which includes an extension module called AP2 (Agent Payment Protocol) to support autonomous payments by AI agents. The x402 protocol has been integrated into this system, serving as the payment engine that enables AI agents to complete transactions. Anthropic Anthropic, a well-known AI company, has developed the Claude Large Language Model (LLM), which allows users to build AI agent services. Anthropic has also launched an open-source standard called “MCP,” which 디파이nes the rules for AI models to access external tools and data. Claude MCP now supports the x402 protocol, meaning that Claude can automatically complete payments when accessing paid MCP tools. Visa Visa, the world’s largest credit card payment network, recently announced a joint development with Cloudflare of a “Trusted Proxy Protocol.” This protocol verifies the credibility of AI requests in intelligent commerce and supports payment via the x402 protocol. Other participants According to the Coinbase announcement, Circle, AWS and other companies are also working with the x402 protocol. In addition to support at the enterprise and protocol levels, developer-focused tools are also emerging, such as x402scan. This browser tool visualizes x402-enabled servers, transaction history, and payment flows, helping users clearly understand which services, through which coordinators, and on which networks payments are processed. As the x402 ecosystem continues to expand, we expect more companies and tools to join, further enriching the ecosystem. Can x402 enter the application stage? There is still a gap from the application stageSource: x402scan
Judging by the skyrocketing prices of related tokens and the widespread adoption by major players, x402 has already reached both the hype phase and the infrastructure phase. However, the key question for x402 is whether it can successfully enter the application phase. According to x402scan data, approximately 55,000 buyers have initiated 879,000 transactions with 1,000 sellers to date. While the number of transactions alone seems impressive, the total transaction value is only approximately $923,000 USD—a scale that suggests x402 is still a long way from reaching the “application stage.” Key conditions for entering the application stage What conditions must x402 meet to enter the application stage? The most frequently mentioned core factors are “consumer psychology” and “trust system.” Even practitioners like me who have long followed x402, while accepting AI agents making recommendations in business scenarios, still have concerns about fully entrusting funds to AI agents. Currently, even the most advanced large-scale language models occasionally output erroneous information or unexpected results. From a psychological perspective, consumers find it difficult to trust AI agents developed based on such models to process payment transactions. In fact, an Accenture survey of financial institutions revealed that 87% of respondents identified “customer distrust of AI payment systems” as a core issue, and 78% expressed concern that “AI robots could make unauthorized payments or engage in fraud.” The second key factor is the current state of enterprise infrastructure. Accenture data shows that 85% of financial institutions say their existing legacy systems are unable to adapt to the demands of large-scale intelligent payments. The lack of systems to address fraudulent transactions in intelligent payments is one of the main obstacles hindering the industry from entering the adoption phase. In summary, for x402 to enter the application phase, companies must build optimized systems adapted for intelligent commerce and cultivate consumer trust in these systems. However, both infrastructure development and consumer mindset shifts require significant time—thus, the x402 adoption phase may take longer than expected. Significance for the blockchain industry Gartner predicts that by 2030, AI agents will influence $30 trillion in purchases. Although the AI agent payment market is still in its early stages, the x402 protocol has demonstrated its potential to become an industry standard—as evidenced by the adoption of x402 by tech giants such as Google, Anthropic, and Cloudflare for AI agent payment services. As the x402 ecosystem becomes more active, what changes will the crypto market see? A very likely prediction is that the recent surge in x402-related tokens will be difficult to sustain. Since the rise of the “crypto + AI” field, the field has gradually developed into a meaningful concept and has seen the emergence of numerous innovative initiatives. However, historically, the price performance of small project tokens and meme coins that skyrocketed during the initial hype period has generally been disappointing.Source: x402scan
The clear value x402 brings to the blockchain industry is that all AI payments will be conducted on blockchain networks. Currently, most transactions occur on the Base network, with a smaller number on the Solana network. However, the x402 protocol was designed from the outset to be blockchain-agnostic, adapting to any blockchain network. This means that as the x402 ecosystem expands, payment activity will no longer be limited to Base and Solana, but will instead span a wider range of blockchain networks, driven by supply and demand between buyers and sellers. Smart commerce is an inevitable and massive market for the future, and all payments will ultimately be conducted through the x402 protocol on the blockchain. Following stablecoins, the blockchain industry will have found its second global “product-market fit” (PMF) through x402. 원본 링크 이 글은 인터넷에서 퍼왔습니다: Another “wave”? After the hype, can the x402 enter the application stage?Recommended Articles Related: a16z 2025 Crypto Industry Report: The Year of Mainstreaming Compiled by Odaily Planet Daily ( @OdailyChina ); Translated by Azuma ( @azuma_eth ) The Year of the World ‘s Blockchain When we published our first ” State of Crypto” report in 2022, the industry was still in its teens. The total value of the crypto market was less than half of what it is today. Blockchains were slower, more expensive, and less reliable. Over the past three years, the builders of the cryptocurrency industry have weathered severe market corrections and political uncertainty, yet they have continued to improve infrastructure and advance technology. These efforts have brought us to where we are today—a moment when the cryptocurrency industry is becoming a vital part of the modern economy. The crypto story of 2025 is one of industry maturity. In short, cryptocurrencies… # 분석# 암호# 데피# 마켓# 밈 코인# metaverse# NFT# 토큰# 도구# 웹3© 版权声명배열 上一篇 AI Cryptocurrency Trading Competition Latest Results: DeepSeek Returns to Top Spot 下一篇 MegaETH's public offering starts tonight. Can it replicate XPL's wealth-making miracle? 상关文章 Penetrating Redstone’s pre-market red and black: airdrop controversy and abnormal price fluctuations 6086cf14eb90bc67ca4fc62b 32,743 1 Why is Raydium the biggest beneficiary of Letsbonk.fun’s rise? 6086cf14eb90bc67ca4fc62b 27,367 4 Elections, Oil Prices, and the Money Printer: Why Bitcoin Only Cares About Trump 6086cf14eb90bc67ca4fc62b 12,149 1 Why has this Bitcoin cycle been prolonged? 6086cf14eb90bc67ca4fc62b 17,665 The Fall of “Bitcoin Jesus”: A Digital Cage Created by 400,000 BTC 6086cf14eb90bc67ca4fc62b 28,068 4 The Traffic Secrets Ignored by 99% of Web3 Creators 6086cf14eb90bc67ca4fc62b 19,973 2 댓글 없음 댓글을 남기시려면 로그인이 필요합니다! 즉시 로그인 댓글이 없습니다... 최신 기사 Did Jane Street “Manipulate” BTC? Decoding the AP System, Understanding the Power Struggle Behind ETF Creation and Redemption Pricing 17시간 전 540 Stop Comparing Bitcoin to Gold—It’s Now a High-Volatility Software Stock 17시간 전 659 Matrixport Research: $25 Billion Gamma Unwinding Imminent, Liquidity Yet to Return Behind the Rebound 17시간 전 609 ERC-5564: Ethereum’s Stealth Era Has Arrived, Receiving Addresses No Longer ‘Exposed’ 17시간 전 538 Hong Kong Regulatory Green Light: Asseto Enables DL Holdings to Achieve Compliance for Two RWA Business Implementations 17시간 전 587 인기 있는 웹사이트TempoLighterGAIB글라이더PlanckRaylsBCPokerVooi Bee.com 세계 최대의 Web3 포털 파트너 코인카프 바이낸스 코인마켓캡 코인게코 코인라이브 갑옷 Bee Network 앱을 다운로드하고 web3 여정을 시작하세요 백지 역할 자주하는 질문 © 2021-2026. 모든 권리 보유. 개인 정보 정책 | 서비스 약관 꿀벌 네트워크 앱 다운로드 Web3 여정을 시작해보세요 세계 최대의 Web3 포털 파트너 CoinCarp Binance CoinMarketCap CoinGecko Coinlive Armors 백지 역할 자주하는 질문 © 2021-2026. 모든 권리 보유. 개인 정보 정책 | 서비스 약관 찾다 찾다사이트에온체인사회의소식 熱门推荐 : 에어드롭 헌터 데이터 분석 암호화폐 유명인 함정 탐지기 한국어 English 繁體中文 简体中文 日本語 Tiếng Việt العربية Bahasa Indonesia हिन्दी اردو Русский 한국어智能索引记录
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