{"uid":"cap_-uyYFOIdj1WrkouL_QfA-","slug":"domain-hugen-tokyo-502e8792","name":"domain.hugen.tokyo Redirect Chain Analyzer","description":"Redirect chain analysis — follows up to 10 hops (301/302/303/307/308) with per-hop timing, status codes, TLS status. Detects HTTPS-to-HTTP TLS downgrade, redirect loops, excessive chains. A-F grade. SSRF-safe. Accepts USDC payments on Base and Solana","url":"https://domain.hugen.tokyo/domain/redirect","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"required":["method"]}}},"responseSchema":null,"example":{"request":{"url":"https://example.com"},"response":{"chain":[{"hop":1,"url":"https://example.com","error":"[SSL: SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3 alert handshake failure (_ssl.c:1000)","timing_ms":34}],"grade":"A","final_url":"https://example.com","total_hops":0,"original_url":"https://example.com","loop_detected":false,"tls_downgrade_detected":false}},"exampleRequest":{"url":"https://example.com"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_A2q-QMZAwuWeyVHc-ko4X","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":"Follows HTTP redirect chains up to 10 hops, reporting per-hop status codes, timing, TLS status, detecting downgrade attacks and loops, with an A-F security grade","exampleAgentPrompt":"Can you trace the full redirect chain for https://example.com and tell me how many hops there are, whether HTTPS is maintained throughout, and what security grade it gets?","exampleUseCases":null,"resultDescription":"Returns a list of up to 10 redirect hops each with HTTP status code (301/302/303/307/308), destination URL, per-hop latency in milliseconds, and TLS status. Also flags HTTPS-to-HTTP downgrade, redirect loops, and excessive chain length. Provides an overall A-F security grade for the redirect chain.","failureModes":["URL is unreachable or times out — returns error with no chain data","Redirect loop detected — returns partial chain up to loop point with loop flag set","Chain exceeds 10 hops — truncated at 10 with excessive-chain flag","SSRF-blocked target (private IP range) — request rejected for security","Invalid URL input — returns validation error","Target server rate-limits or blocks the probe — partial or empty chain"],"whenToPreferThis":"Use this endpoint when you need detailed per-hop redirect analysis including timing, TLS integrity verification, loop detection, and a security grade — rather than just checking if a URL redirects at all. Ideal for security audits, SEO redirect chain validation, or diagnosing broken redirect configurations. SSRF-safe design makes it appropriate for processing untrusted user-supplied URLs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:30:57.363Z","isFirstParty":false}