{"uid":"cap_H1ec3jBQclwVyj3V2Zk5t","slug":"54ch10-tls-certificate-lookup-893dc72d","name":"54ch10 TLS Certificate Lookup","description":"54ch10: pre-interact URL check. Paste a link, get brief + domain + page. Taste /v1/open/free. 80 calls for $1. Wire in 30s. Analytics-only tooling. Not financial advice.","url":"https://54ch10.uk/v1/tls","method":"GET","headers":{},"bodySchema":{"type":"object","$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","required":["domain"],"properties":{"domain":{"type":"string","description":"Domain name"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"tier":"x402","domain":"example.com","issuer":"C=US, O=Let's Encrypt","not_after":"2026-04-01T00:00:00","disclaimer":"Informational tooling only. Not financial advice. No custody, trading, or token promotion. Scores are imperfect heuristics — verify independently.","not_before":"2026-01-01T00:00:00"}},"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_Pjsaldy32RrTohRQ8DINb","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":"Retrieves TLS/SSL certificate details for a given domain as part of a pre-interaction security brief","exampleAgentPrompt":"Before I interact with defi-airdrop-claim.xyz, can you pull the TLS certificate details — who issued it, when it expires, and whether it looks legit?","exampleUseCases":[{"title":"Check SSL cert before crypto transaction","prompt":"I'm about to connect my wallet to bridge-eth-tokens.io — can you check the TLS certificate details first so I know if it's using a real cert from a trusted issuer?"},{"title":"Verify certificate expiry for suspicious link","prompt":"Someone sent me a link to wallet-recover-now.com — can you look up its TLS certificate and tell me who issued it and when it expires?"},{"title":"Pre-interaction domain safety check","prompt":"Before my agent interacts with nft-mint-drop.net, check the TLS cert details for that domain and flag anything that looks off like a free cert or one that expires soon."}],"resultDescription":"Returns a JSON object with an ok boolean, the domain queried, the TLS certificate issuer (distinguished name string), the certificate's not_before and not_after validity dates, the service tier, and a disclaimer noting that results are informational heuristics only.","failureModes":["Domain not found or DNS resolution failure — likely returns ok: false or error","Invalid or missing domain query parameter — returns 400-level error","Domain has no TLS certificate — may return null or error fields for cert data","Rate limiting or payment failure via x402 — returns 402 Payment Required","Expired or self-signed cert data returned accurately but may appear alarming without context"],"whenToPreferThis":"Use this endpoint when you need a quick TLS certificate lookup for a specific domain as part of a broader pre-interaction security check — especially before a crypto wallet interaction, DeFi protocol connection, or clicking a suspicious URL. It is purpose-built for Web3 security screening contexts and pairs naturally with the other 54ch10 sibling endpoints (phishing, wallet risk, honeypot checks). Prefer this over generic WHOIS or cert-transparency tools when you need a lightweight, agent-callable, pay-per-use check without setting up infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:43:31.335Z","isFirstParty":false}