{"uid":"cap_IEbtD5JqdSaswmZf1zQQz","slug":"agentindex-x402-web-search-39794c1b","name":"AgentIndex x402 Web Search","description":"Read and search the web for AI agents. Nothing else. A pay-per-call kit for AI agents in USDC on Base (x402/MPP): search, pdf, web-read, extract, summarize, fact-check, and the free detect-language entry point - see GET /capabilities. Plus two tools outside the kit: translate and jobs.","url":"https://x402.agentindex.world/search","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"oneOf":[{"type":"string"},{"type":"array","items":{"type":"string"},"maxItems":5,"minItems":1}],"description":"Search query, or an array of up to 5 related queries to run in one call - results are merged and de-duplicated by URL."},"extract":{"type":"boolean","description":"Include a cleaned page extract for each result, navigation and boilerplate removed."},"summarize":{"type":"boolean","description":"Also return a short synthesized answer summarizing the results."},"max_results":{"type":"integer","maximum":10,"minimum":1,"description":"Maximum number of results to return."}}},"responseSchema":{"type":"json","example":{"query":"best ramen restaurants in Shibuya Tokyo","results":[{"url":"https://www.eater.com/maps/best-ramen-tokyo-japan","date":null,"title":"The Best Ramen in Tokyo: 16 Restaurants to Not Miss | Eater","extract":"A curated guide to Tokyo's standout ramen shops, including several in Shibuya..."}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zmaL87fzUwvK47FNQ3Qoi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Pay-per-call web search endpoint that runs one or more queries and returns ranked results with optional page extracts and synthesized summaries.","exampleAgentPrompt":"Search the web for 'best noise-cancelling headphones 2025' and give me up to 8 results with a short summary of what you find — include the cleaned page text for each result too.","exampleUseCases":[{"title":"Real-time competitive research","prompt":"Search the web for 'OpenAI GPT-5 release date announcement' and 'Claude 4 release', merge those two queries, and give me a synthesized summary of what's been reported — up to 5 results."},{"title":"Product recommendation lookup","prompt":"Can you search for 'best ergonomic office chairs under $500' and return the top 10 results with a short summary and the cleaned text from each page so I can compare options?"},{"title":"Breaking news retrieval","prompt":"Look up 'Federal Reserve interest rate decision today' and give me a synthesized answer and up to 5 links — I need the latest news, not cached info."}],"resultDescription":"A JSON object containing the original query and an array of results, each with a URL, title, optional publication date, and (if requested) a cleaned page extract stripped of navigation and boilerplate. When summarize is enabled, a short synthesized answer string is also included. Results from multi-query calls are merged and deduplicated by URL.","failureModes":["Payment failure or insufficient USDC balance returns a 402 error before the search executes","Invalid query type (e.g. array with more than 5 items) returns a validation error","No results found for obscure or very recent queries returns an empty results array","Network timeouts when fetching page extracts for certain URLs may result in missing extract fields","Rate limiting may occur under high request volume"],"whenToPreferThis":"Choose this endpoint when your agent needs live web search results not available in its training data, especially when you want to run up to 5 related queries in a single pay-per-call request and deduplicate by URL. The optional extract and summarize flags make it particularly useful when you need not just links but actual page content and a synthesized answer in one round-trip. Prefer it over generic search APIs when operating in an x402 pay-per-call agent infrastructure context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:30:04.128Z","isFirstParty":false}