{"uid":"cap_6MpCVLdJ9Gt2BwSXcfajf","slug":"quantaflow-serp-search-index-0c1c16bc","name":"QuantaFlow SERP Search Index","description":"Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.","url":"https://quanta-roan.vercel.app/api/service/serp-search-index?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"body":{"type":"string","description":"Optional JSON body forwarded to POST requests."},"path":{"type":"string","description":"Path below the selected upstream origin."},"query":{"type":"object"},"method":{"enum":["GET","POST"],"type":"string"}}},"responseSchema":{"description":"The upstream response body and content type are passed through after successful payment."},"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_b4xP1ScBsE62rvg06Pi1a","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":"Performs a SERP (Search Engine Results Page) index search query via a pay-per-use x402 protocol gateway at $0.01 USDC per call","exampleAgentPrompt":"Search the SERP index for 'best DeFi yield farming strategies 2024' and give me the top results — use the QuantaFlow pay-per-call gateway so it bills $0.01 USDC per search.","exampleUseCases":[{"title":"Keyword ranking research for SEO","prompt":"Look up the top search results for 'crypto portfolio tracker open source' so I can see which pages are currently ranking and understand the competitive landscape."},{"title":"Real-time web content discovery","prompt":"Search the index for 'Ethereum gas fees spike July 2025' and bring back the top results so I can see what's being reported right now."},{"title":"DeFi tool market research","prompt":"Can you query the search index for 'best DEX aggregators 2024' and return the indexed results? I want to see what tools are showing up at the top."}],"resultDescription":"The upstream SERP search response body is passed through directly after successful payment verification. This typically includes a list of indexed search results, page titles, URLs, and snippets matching the search query. The content type mirrors the upstream provider's response format.","failureModes":["Payment failure: x402 payment not accepted or insufficient USDC balance causes request rejection","Upstream unavailable: the underlying SERP index service is down or unreachable","Invalid query parameters: malformed path or query object causes upstream error","Rate limiting: upstream SERP provider throttles excessive requests","No results: search query returns empty result set from index","Schema mismatch: body or query fields incorrectly formatted for upstream service"],"whenToPreferThis":"Choose this endpoint when you need programmatic, pay-per-use SERP/search-index lookups billed in USDC via the x402 micropayment protocol — ideal for AI agents operating in web3 or DeFi contexts that already handle crypto payments. Best suited for infrequent, on-demand searches where a $0.01/call cost model is preferable to a subscription. Avoid if you need high-volume bulk search, guaranteed SLA, or fiat billing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T12:46:35.817Z","isFirstParty":false,"canonicalSlug":"quantaflow-serp-search-index-0c1c16bc"}