# Пов'язані статті щодо HTTP402

Центр новин HTX надає останні статті та поглиблений аналіз на тему "HTTP402", що охоплює ринкові тренди, оновлення проєктів, технологічні розробки та регуляторну політику в криптоіндустрії.

Understanding x402 and MPP: Two Approaches to Agent Payments

Stripe's MPP and x402 represent two competing approaches to enabling machine-to-machine payments, both leveraging the long-dormant HTTP 402 status code ("Payment Required"). x402, led by Coinbase, is a minimalist protocol that embeds payment directly into HTTP requests. It requires no accounts, API keys, or intermediaries. A server returns a 402 response with payment details; the client pays on-chain and resubmits the request with a proof. It's open-source, chain-agnostic (currently supporting Base, Polygon, Solana), and designed for open, permissionless systems. However, current usage is low, with small microtransactions. MPP, developed by Stripe and Tempo, is a full-stack solution built for high-frequency agent transactions. Its core innovation is sessions, allowing an agent to pre-authorize a spending limit and make numerous micro-payments within it without repeated on-chain transactions. It runs on the Tempo blockchain, optimized for high throughput and sub-second confirmations. Crucially, it integrates with Stripe's existing compliance, risk, and fiat infrastructure, including support for credit cards via Shared Payment Tokens (SPTs). While x402 offers simplicity and decentralization, MPP provides scalability and enterprise-grade features. Stripe supports both, aiming to capture agent payment flows regardless of the underlying protocol. The ecosystem is still experimental, but major players like Google, Visa, and Anthropic are involved. The choice depends on the use case: x402 for open, long-tail applications, and MPP for commercial, high-volume scenarios.

marsbit03/22 03:30

Understanding x402 and MPP: Two Approaches to Agent Payments

marsbit03/22 03:30

Understanding x402 and MPP: Two Paths for Agent Payments

The article explores two competing approaches for enabling AI agents to make payments: x402 and the Machine Payments Protocol (MPP). x402, led by Coinbase, adopts a minimalist, protocol-based design. It revives the HTTP 402 status code to enable pay-per-request microtransactions directly on-chain, without accounts or intermediaries. It is open-source, chain-agnostic (currently supporting Base, Polygon, Solana), and optimized for decentralized, permissionless systems. However, current adoption is early, with low transaction volumes. In contrast, MPP (by Stripe and Tempo) is a maximized, system-level solution. It uses sessions and streaming payments to support high-frequency transactions without per-action on-chain settlement. Built on the high-throughput Tempo blockchain, it integrates fiat payments via Stripe’s Shared Payment Tokens (SPTs) and offers built-in compliance, risk management, and enterprise-grade scalability. Key partners include Anthropic, OpenAI, Shopify, and Visa. Stripe supports both protocols, allowing merchants to accept agent payments via either method. x402 suits open, long-tail applications, while MPP targets commercial, high-scale use cases. Both are in early stages, but major infrastructure players are backing them, anticipating future agent-driven economies.

marsbit03/20 03:53

Understanding x402 and MPP: Two Paths for Agent Payments

marsbit03/20 03:53

When AI Starts Paying for Itself

The article "When AI Starts Paying for Itself" discusses the emergence of the x402 protocol, which enables AI agents to autonomously make micro-payments for services like data and computation. In 2025, Coinbase and Cloudflare revived the long-dormant HTTP 402 status code ("Payment Required") to create a seamless payment layer for the internet. The protocol allows an AI agent to receive a payment request, authorize it with a cryptographic signature, and complete the transaction in under a second—with no human involvement, accounts, or traditional banking infrastructure. Supported by low-cost Layer 2 blockchains and stablecoins, x402 processed over 100 million transactions within months. Its V2 update added multi-chain support and session-based authentication. Google later integrated a similar model into its Agentic Payments Protocol (AP2). However, trust between autonomous agents remains a challenge. ERC-8004, an Ethereum standard, addresses this by providing on-chain identity (via NFT-based IDs), reputation tracking, and task verification systems. The ecosystem faces risks: speculative "x402-themed" meme tokens have surged without real utility, technical vulnerabilities exist, and competing standards from Google and a16z threaten fragmentation. Furthermore, regulatory frameworks for AI-driven transactions are undeveloped. In summary, x402 and ERC-8004 aim to create a trustless, open economic network for AI agents—but must overcome technical, economic, and competitive hurdles to achieve widespread adoption.

marsbit03/04 02:54

When AI Starts Paying for Itself

marsbit03/04 02:54

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