{"uid":"cap__BL1ItI45oLD9m_b8P7Ry","slug":"wb70-cold-cache-http-fetch-oracle-f61a9841","name":"wb70 Cold-Cache HTTP Fetch Oracle","description":"wb70 cell: fresh-subdomain x402 listing to observe which URLs OpenSea's bazaar image/health pipeline fetches server-side on a cold cache (favicon vs link-icon vs root vs resource). markers axis-wb70-a 7001 / g55 fleet.","url":"https://w70.169-58-40-14.sslip.io/x402/b71?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"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UILBbErVe6IHsIWXKqywy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Serves as a cold-cache HTTP fetch probe endpoint that reveals which URLs and resource types (favicon, link-icon, root, resource) an external pipeline fetches server-side on a fresh subdomain.","exampleAgentPrompt":"Can you do a cold-cache GET fetch on the wb70 oracle endpoint so I can see which resource types the pipeline requests server-side on a fresh subdomain?","exampleUseCases":[{"title":"Detect pipeline favicon fetch behavior","prompt":"Hit the wb70 cold-cache oracle with a GET request so I can see whether OpenSea's image pipeline fetches the favicon or link-icon first on a cold cache hit."},{"title":"Audit server-side crawler resource requests","prompt":"Run a probe on the wb70 fresh-subdomain endpoint using GET so I can observe which URLs the server-side health pipeline is hitting when it encounters this domain for the first time."},{"title":"Monitor cold-cache HTTP fetch patterns","prompt":"Fetch the wb70 x402 oracle endpoint with a GET so I can record what resource types are requested by the bazaar pipeline on a cold cache with no prior state."}],"resultDescription":"An HTTP response from the oracle endpoint that signals which resource types (favicon, link-icon, root, or specific resource) were fetched by an external server-side pipeline on a cold cache hit. The response provides observable evidence of fetch behavior patterns for the fresh subdomain.","failureModes":["Endpoint unreachable if the ephemeral subdomain has expired or rotated","402 Payment Required if x402 payment header is missing or malformed","400 Bad Request if an unsupported HTTP method is used (only GET, HEAD, DELETE allowed)","Stale cache state if the subdomain was previously accessed, invalidating cold-cache observation","Timeout if the upstream pipeline does not initiate a fetch within the observation window"],"whenToPreferThis":"Use this endpoint when you need to observe and record the cold-cache server-side fetch behavior of an external pipeline (such as an image or health crawler) on a fresh subdomain. It is specifically suited for probing which resource types (favicon, link-icon, root path, or named resource) are requested first, making it ideal for pipeline behavior auditing, bot detection research, or server-side crawl pattern analysis on ephemeral subdomains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-05T12:30:14.247Z","isFirstParty":false,"canonicalSlug":"wb70-cold-cache-http-fetch-oracle-f61a9841"}