# p402.io > AI-optimized mirror of p402.io containing 50 pages totalling 15,463 words of clean markdown content, structured data, and semantic HTML. Original source: https://p402.io/. Last updated: 2026-04-30T21:59:25.822Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Live on Base Mainnet](/site-root.html): Route LLM calls across 300+ AI models with intelligent cost optimization. Settle micropayments in USDC on Base via the x402 protocol. The economic layer for autonomous AI agents. (1,251 words) ## Articles & Blog Posts - [partner/docs/index.html](/partner/docs/index.html) (1 words) - [Earn recurring revenue by distributing the future of AI payments.](/partners/index.html): Earn recurring commissions by referring developers, agents, and enterprises to the P402 AI payment router. Three tracks: affiliate, agency, and enterprise referral. (320 words) - [P402Protocol Demo](/demo/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (20 words) - [AI Payment Router](/login/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (79 words) - [AI Payment Router](/partner/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (79 words) - [Partner Program Application](/partners/apply/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (98 words) - [docs/a2a/index.html](/docs/a2a/index.html) (1 words) - [WDK QUICKSTART](/docs/wdk/quickstart/index.html): Integrate WDK + USDT0 settlement with P402 in 15 minutes. Quote a route, sign with your WDK wallet, settle on-chain, and read the receipt. (677 words) - [docs/api/index.html](/docs/api/index.html) (1 words) - [developers/quickstart/index.html](/developers/quickstart/index.html) (1 words) - [trust/index.html](/trust/index.html) (1 words) - [MIGRATION GUIDE.](/docs/wdk/migration/index.html): Migrate from USDC-only EIP-3009 to WDK + USDT0 routing with zero downtime. Step-by-step code changes, backwards compatibility guarantees, and a phased rollout plan. (918 words) - [THE ROUTING ENGINE.](/docs/router/index.html): How P402 routes AI requests: semantic cache, provider scoring, automatic failover, and the four routing modes. Complete reference with scoring algorithm and configuration. (856 words) - [WDK API REFERENCE](/docs/wdk/api-reference/index.html): Complete API reference for WDK + USDT0 settlement flows. Liquidity quote, route settle, and receipt endpoints with full request/response schemas. (512 words) - [x402 Protocol](/docs/facilitator/index.html): Deploy a P402 x402 facilitator: verify EIP-3009 signatures, settle USDC micropayments on Base L2. Gasless payments for AI agents — users pay zero gas fees. (535 words) - [BAZAAR MARKETPLACE.](/docs/bazaar/index.html): Bazaar is the P402 agent marketplace. Discover x402-enabled AI services, register your own agent, query listings by capability, and understand the on-chain reputation layer. (900 words) - [AP2 MANDATES.](/docs/mandates/index.html): Complete reference for AP2 spending mandates. Issue signed spending authorizations that allow AI agents to spend USDC on your behalf — with budget caps, category restrictions, expiry, and revocation. (879 words) - [ERROR CODES](/docs/wdk/errors/index.html): Complete WDK error code reference. Machine-readable codes, HTTP mappings, example error payloads, and recovery strategies for every failure mode. (634 words) - [Protocol Economics v2.0](/pricing/index.html): P402 pricing: Free (1% fee), Pro $499/mo (0.75% fee, Claude Skill), Enterprise (custom). Pay with Stripe or USDC via EIP-2612. AI payment router for agent commerce. (764 words) - [SECURITY & PRIVACY](/docs/wdk/security/index.html): Production security and privacy baseline for WDK + USDT0 integrations. Key management, nonce hygiene, signature validation, logging practices, and incident response. (871 words) - [ERC-8004](/docs/erc8004/index.html): ERC-8004 on-chain agent identity and reputation on Base. Register AI agents, accumulate reputation scores via payment-backed feedback, and validate agents in real time. (478 words) - [The Economic Layer for AI Agents.](/docs/mcp/index.html): Model Context Protocol (MCP) server for P402. Add multi-provider AI routing, USDC micropayments, and spending controls to Claude and other MCP-compatible agents and tools. (457 words) - [Developer Guide.](/docs/sdk/index.html): P402 TypeScript SDK — npm install @p402/sdk. Session creation, AP2 mandate helpers, x402 payment utilities, MCP server integration, and OpenAI-compatible chat completions. (342 words) - [Claude Skill](/docs/skill/index.html): Install the P402 Claude Skill to give Claude Code and Claude.ai deep knowledge of the P402 routing API, billing guard, x402 payment flows (EIP-3009), A2A protocol, and AP2 mandates. AI-assisted integration for production AI deployments on Base. (249 words) - [Verify. Settle. Issue receipts.](/product/payments/index.html): Verify and settle micropayments via the x402 protocol. Issue receipts for repeat access. Gasless USDC on Base Mainnet. (361 words) - [AP2 Mandates: Cryptographic Enforceability in Nondeterministic Systems](/intelligence/research/ap2-mandates/index.html): Cryptographic enforceability in nondeterministic autonomous systems. (306 words) - [Constrain spend. Export evidence.](/product/controls/index.html): Constrain agent spend with AP2 mandates and policies. Export evidence bundles for compliance and risk review. (340 words) - [Publish. List. Get verified.](/product/ecosystem/index.html): Publish Skills, list paid agents on the Bazaar, and earn Verified Publisher status. ERC-8004 on-chain identity and reputation for trustless agent commerce. (299 words) - [The Black Friday Swarm: When Agents Broke the Order Book](/intelligence/research/black-friday-swarm/index.html): Post-mortem analysis of the 2027 autonomous retail swarm incident and the role of P402 Sentinel Layer. (323 words) - [Agent tasks. Streaming trace.](/product/orchestration/index.html): Run A2A agent tasks with streaming trace and paid workflows via x402. JSON-RPC 2.0 task lifecycle with SSE real-time updates. (296 words) - [The x402 Standard: A Novel Protocol for Http-Native Settlement](/intelligence/research/x402-standard/index.html): A novel protocol for HTTP-native settlement and atomic resource negotiation. (362 words) - [The Economics of Latency: Pricing Semantic Routing in Real-Time](/intelligence/research/economics-of-latency/index.html): Dynamic pricing models for real-time semantic routing and AI inference arbitrage. (291 words) - [The Medical Data Heist: Stopping Exfiltration at the Router](/intelligence/research/medical-data-heist/index.html): Analysis of a thwarted autonomous data exfiltration attempt on the Google Cloud Healthcare API. (260 words) - [The 400ms Supply Chain: A Logistics Miracle](/intelligence/research/supply-chain-miracle/index.html): How autonomous logistics agents negotiated a global shipping crisis in milliseconds. (224 words) - [Flash Crash Protection in Autonomous Agent Swarms](/intelligence/research/flash-crash-protection/index.html): Circuit breakers and feedback loop dampening for autonomous agent swarms. (307 words) - [V2.0.0.](/docs/v2-spec/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (145 words) - [Verifiable Compute: The Trust Layer for Off-Chain Intelligence](/intelligence/research/verifiable-compute/index.html): Ensuring model integrity and execution correctness in off-chain intelligence. (257 words) - [Privacy Policy](/privacy/index.html): P402 Privacy Policy - How we handle your data (111 words) - [Terms of Service](/terms/index.html): P402 Terms of Service (123 words) - [READ LESS. BUILD MORE.](/docs/index.html): Tutorials, guides, reference, and explanations for integrating P402 AI routing and payment infrastructure. (79 words) - [Pillar: The Sentinel Layer](/intelligence/sentinel-layer/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (52 words) - [Pillar: Machine Governance](/intelligence/machine-governance/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (53 words) - [Pillar: Protocol Economics](/intelligence/protocol-economics/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (60 words) - [Pillar Content](/intelligence/index.html): Foundational research papers and economic modeling for the autonomous AI economy. (62 words) - [Pillar: Agentic Orchestration](/intelligence/agentic-orchestration/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (39 words) - [WDK + USDT0 Integration Docs.](/docs/wdk/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (96 words) - [Decentralized Discovery.](/bazaar/index.html): Global x402 Discovery Layer (54 words) - [Request Access](/get-access/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (31 words) - [All Systems Operational](/status/index.html): P402 is the sovereign routing and payment layer for Agent-to-Agent (A2A) and Agent-to-Passenger (A2P) commerce. Powered by Gemini 3 for autonomous policy governance and x402 settlement. (8 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives