{"uid":"cap_7Z4vsbgBafP_yy9GfEhWu","slug":"molcloud-web-search-api-f3fd637f","name":"MolCloud Web Search API","description":"41 pay-per-request AI, search, headless browser, crypto alpha & memory APIs for autonomous agents settling in USDC on Base via x402 v2.","url":"https://api.molcloud.net/api/search?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"Search query string"},"limit":{"type":"integer","default":5,"description":"Maximum number of results (1-10)"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["status","endpoint"],"properties":{"data":{"type":"object"},"payer":{"type":"string"},"status":{"enum":["success"],"type":"string"},"endpoint":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"data":{"count":5,"query":"x402","results":[]},"status":"success","endpoint":"/api/search"}},"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_U7-AvXBxK6fhCT_Pd3sxZ","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":"Performs a keyword web search and returns ranked results, paid per-request in USDC via x402 protocol","exampleAgentPrompt":"Search the web for 'x402 protocol USDC payments' and give me the top 5 results.","exampleUseCases":[{"title":"Real-time fact lookup for agent reasoning","prompt":"Search the web for 'latest Base blockchain transaction volume 2025' and return up to 5 results so I can use that data in my report."},{"title":"Competitor research during autonomous workflow","prompt":"Can you search for 'best x402 payment gateways for AI agents' and bring back the top 3 results?"},{"title":"News gathering for crypto alpha","prompt":"Search for 'USDC yield opportunities on Base' and give me up to 10 results — I want to see what's out there right now."}],"resultDescription":"Returns a JSON object containing a status field, the endpoint path, and a data object with the original query string, the count of results returned, and an array of search result items (URLs, titles, snippets).","failureModes":["Missing required 'q' query parameter returns a 400-level error","limit value outside 1-10 range may be rejected or clamped","Insufficient USDC balance or failed x402 payment results in 402 Payment Required","Network or upstream search provider outage returns 5xx","Empty results array returned when no web results match the query"],"whenToPreferThis":"Choose this endpoint when an autonomous agent needs to perform live web searches with per-call micropayment billing in USDC on Base via x402, especially within a broader MolCloud tool suite. It is well-suited for agents that already integrate with x402 payment infrastructure and need lightweight, pay-as-you-go search without API key management or subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:41:00.211Z","isFirstParty":false,"canonicalSlug":"molcloud-web-search-api-f3fd637f"}