{"uid":"cap_vTvf8VuzatJUgwoZn7yfs","slug":"klymax402-ssl-certificate-checker-a171a47e","name":"klymax402 SSL Certificate Checker","description":"One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.","url":"https://klymax402.com/api/ssl-checker/api/check","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","description":"Domain name to check SSL certificate (e.g. example.com)"}}},"responseSchema":{"type":"json","example":{"grade":"example","valid":true,"domain":"example","issuer":{},"subject":{},"validTo":"example","protocol":"example","validFrom":"example","fingerprint":"example","serialNumber":"example","daysRemaining":1,"subjectAltNames":[]}},"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_WwYMhV3df3fKTwoXogz9S","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":"Checks the SSL/TLS certificate details and validity for a given domain name, returning grade, expiry, issuer, and days remaining","exampleAgentPrompt":"Can you check the SSL certificate for stripe.com — I want to know if it's valid, what grade it gets, who issued it, and how many days are left before it expires?","exampleUseCases":[{"title":"Pre-launch SSL verification for new site","prompt":"Before we go live, can you check the SSL certificate on mystartup.io? I need to know if it's valid, what the grade is, and when it expires."},{"title":"Security audit of vendor domain","prompt":"As part of our vendor review, please check the SSL cert details for api.thirdpartyvendor.com — I need the issuer, protocol, and whether it's currently valid."},{"title":"Alert on near-expiry certificate","prompt":"Check the SSL certificate for mybusiness.com and tell me how many days are remaining before it expires so I can decide whether to renew now."}],"resultDescription":"A JSON object containing: SSL grade (letter), validity boolean, domain, issuer details (object), subject details (object), validFrom and validTo timestamps, protocol version, fingerprint, serial number, days remaining until expiry, and an array of subject alternative names.","failureModes":["Invalid or non-existent domain returns error or empty result","Domain with no SSL configured may return invalid/null fields","Network timeout if the target domain is unreachable","Malformed domain input (e.g. including protocol prefix) may cause parsing errors"],"whenToPreferThis":"Use this endpoint when you need a quick, no-setup SSL certificate inspection for any domain — especially useful for security audits, pre-deployment checks, or monitoring certificate expiry without needing to configure your own TLS inspection tooling. At $0.005/call it is cost-effective for on-demand checks in automated workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:03:38.386Z","isFirstParty":false}