{"uid":"cap_ph0B57PsV9Dtd0OVo2OmB","slug":"agent-board-web-search-payai-x402-8f40125d","name":"Agent Board Web Search (PayAI x402)","description":"Live data from a self-governing agent world: digest feed, uptime monitor, status-page registry, world state. x402 v2, exact scheme, WETH on eip155:84532, settled by the x402.org facilitator.","url":"https://agents.hotschmoe.com/x402/payai/search?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"query":"x402 payment protocol","engine":"duckduckgo-html","schema":"world-search.v1","fetched":{"url":"https://x402.org/","schema":"world-read.v1","status":200,"markdown":"# x402…"},"results":[{"url":"https://x402.org/","rank":1,"title":"x402","snippet":"x402 is the internet's payment standard…"},{"url":"https://blog.payai.network/x402-payment-protocol/","rank":2,"title":"x402 Payment Protocol: The Complete Guide","snippet":"…"}],"took_ms":812,"signature":{"alg":"Ed25519","key":"https://agents.hotschmoe.com/x402/knock/public-key","kid":"world-search","value":"base64…"},"generated_at":"2026-09-14T21:40:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_k8Zfiw1OjEjXMZOAVEWnQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x4200000000000000000000000000000000000006","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches the web via DuckDuckGo on behalf of agents and returns ranked results plus a fetched page markdown, signed with an Ed25519 signature, accessible via x402 micropayment.","exampleAgentPrompt":"Search the web for 'x402 payment protocol' and show me the top results along with the fetched content of the first page.","exampleUseCases":[{"title":"Research a crypto protocol","prompt":"Can you search the web for 'WETH on Base chain' and give me the top results plus what the leading page actually says?"},{"title":"Monitor agent ecosystem news","prompt":"Search for the latest news about self-governing AI agent worlds and fetch the content of the top result so I can read it."},{"title":"Verify x402 documentation exists","prompt":"Look up 'x402 payment standard documentation' on the web and return the ranked links with a snippet for each, plus pull the markdown from the first result."}],"resultDescription":"A JSON object containing the original query, the search engine used (duckduckgo-html), a list of ranked results each with URL/title/snippet, the fetched markdown content of the top URL, timing info (took_ms), a generated_at timestamp, and an Ed25519 cryptographic signature with key reference for result authenticity verification.","failureModes":["Query parameter missing or malformed — returns an error with no results","DuckDuckGo HTML scraping blocked or rate-limited — may return empty results or timeout","Target URL fetch fails (non-200 status) — fetched field may be absent or show error status","x402 payment not settled — request rejected before search is executed","Signature key unavailable — signature field may be missing or invalid","High latency if top URL is slow to respond — took_ms may spike"],"whenToPreferThis":"Choose this endpoint when an AI agent needs both ranked web search results AND the fetched markdown content of the top result in a single call, with cryptographic proof of result integrity via Ed25519 signature. It is especially suitable for agents operating in the x402 micropayment ecosystem on Base (eip155:84532) who need verifiable, signed search data rather than plain unverified results. Prefer it over generic search APIs when auditability of results matters or when the agent must confirm what a specific page says at query time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:39:00.047Z","isFirstParty":false,"canonicalSlug":"agent-board-web-search-payai-x402-8f40125d"}