{"uid":"cap_9-hMsYTndIsds0Phh6ywf","slug":"geekvault-ssl-certificate-checker-3f1a27c3","name":"GeekVault SSL Certificate Checker","description":"Network, docs, image, web, and dev utility tools paid per call via x402. No signup, no API keys, no subscriptions — just USDC on Base.","url":"https://api.geekvault.dev/net-tools/v1/ssl-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["host"],"properties":{"host":{"type":"string"},"port":{"type":"string","description":"Puerto TLS a consultar. Por defecto 443."}}},"responseSchema":{"type":"object","required":["host","port","subject","issuer","not_before","not_after"],"properties":{"host":{"type":"string"},"port":{"type":"integer","format":"int32","minimum":0},"issuer":{"type":"string"},"subject":{"type":"string"},"not_after":{"type":"string"},"not_before":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xTdRt75NyPVqlH-BDaGB_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","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 host, including subject, issuer, and validity dates","exampleAgentPrompt":"Can you check the SSL certificate details for api.example.com — specifically when it expires and who issued it?","exampleUseCases":[{"title":"Pre-deployment SSL expiry audit","prompt":"Check the SSL certificate on staging.myapp.com and tell me when it expires and who issued it — I want to make sure it won't expire before our launch next week."},{"title":"Custom port TLS inspection","prompt":"Can you look up the TLS certificate on mail.mycompany.com port 465 and give me the subject, issuer, and validity window?"},{"title":"Third-party vendor certificate check","prompt":"I need to verify the SSL cert on my payment processor's domain api.paymentco.com — is it still valid and who's the issuer?"}],"resultDescription":"Returns a JSON object containing the host, port, certificate subject, issuer, and the not_before and not_after validity timestamps — enough to determine if the cert is valid, who issued it, and when it will expire.","failureModes":["Host unreachable or DNS resolution failure — connection error returned","No TLS service on the specified port — connection refused or timeout","Invalid hostname format — validation error","Certificate could not be retrieved — server may not support TLS"],"whenToPreferThis":"Use this endpoint when you need a quick, no-auth, pay-per-call TLS certificate inspection without setting up any SDK or API key. Ideal for agents that need to check certificate expiry or issuer on-demand for arbitrary hosts, especially when no persistent monitoring subscription is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:20:17.436Z","isFirstParty":false,"canonicalSlug":"geekvault-ssl-certificate-checker-3f1a27c3"}