{"uid":"cap_Fsu8AUtk2aSO0o5jgXZby","slug":"xub-x402-market-intelligence-search-128cd26f","name":"xub x402 Market Intelligence Search","description":"Machine-first x402 procurement intelligence and paid utilities.","url":"https://xub.me/api/tools/x402-market-search/invoke?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"type":{"enum":["http","mcp"],"type":"string"},"limit":{"type":"integer","maximum":20,"minimum":1},"query":{"type":"string","maxLength":200},"method":{"enum":["GET","POST","PUT","PATCH","DELETE","HEAD"],"type":"string"},"network":{"type":"string","maxLength":100},"changesOnly":{"type":"boolean"}}},"responseSchema":{"type":"json","example":{"tool":"x402-market-search","result":{"dataset":"x402-market","matched":0,"checkedAt":null,"resources":[],"capturedAt":null,"recentChanges":[],"indexedResources":0},"version":"1"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZbtasoyvF-6cTj09pRqqv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches and monitors the x402 paid-API marketplace to discover HTTP and MCP endpoints, their pricing, and recent changes.","exampleAgentPrompt":"Search the x402 market for up to 10 available MCP tools related to 'image generation', and show me any recent changes.","exampleUseCases":[{"title":"Discover paid AI tools for an agent","prompt":"Search the x402 marketplace for up to 15 HTTP POST endpoints related to 'language model' so my agent can find machine-payable LLM APIs it can call directly."},{"title":"Monitor new x402 endpoints","prompt":"Check the x402 market index for any recently changed or added endpoints — just show me what's new, limit to 20 results."},{"title":"Find MCP tools by capability","prompt":"I want to find up to 5 MCP-type tools on the x402 network related to 'web scraping' so my agent can pay and use them automatically."}],"resultDescription":"Returns a JSON object containing the matched x402 resources array, total indexed resource count, number of matched results, timestamps for when the index was captured and checked, and a list of recent changes to the dataset.","failureModes":["Empty results if query matches no indexed endpoints (matched: 0, resources: [])","Stale data if capturedAt timestamp is old and index hasn't refreshed","Payment failure if $0.005 USDC micropayment is not fulfilled via x402 protocol","Invalid enum value for 'type' or 'method' fields causes request rejection","Query exceeding 200 characters is rejected","Limit outside 1-20 range is rejected"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to programmatically discover or monitor x402-compatible paid API endpoints — especially when searching by capability, HTTP method, or endpoint type (HTTP vs MCP). Prefer this over manual API directories when you need machine-readable results, recent-change tracking, or automated procurement intelligence within the x402 micropayment ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T06:31:35.748Z","isFirstParty":false,"canonicalSlug":"xub-x402-market-intelligence-search-128cd26f"}