{"uid":"cap_6evy9USveaPf4es1Rl4vK","slug":"tls-ssl-certificate-checker-da5fd516","name":"TLS/SSL Certificate Checker","description":"Paid per-call web tools for AI agents: DNS, TLS, robots.txt, hashing, JavaScript rendering and screenshots. Payment over x402 (USDC on Base).","url":"https://49112-hjhjtioxvirqvcvo.splox.app/ssl-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["host"],"properties":{"host":{"type":"string","description":"host to check TLS for, e.g. example.com"}}},"responseSchema":{"type":"object","required":["host"],"properties":{"host":{"type":"string"},"port":{"type":"integer"},"error":{"type":"string"},"valid":{"type":"boolean","description":"certificate chain verified and inside its validity window"},"cipher":{"type":"string"},"issuer":{"type":"string"},"subject":{"type":"string"},"days_left":{"type":"integer","description":"days until not_after"},"not_after":{"type":"string","format":"date-time"},"san_count":{"type":"integer"},"san_sample":{"type":"array","items":{"type":"string"}},"tls_version":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Xf0LdA4_YUyrqyiDzo8oa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks TLS/SSL certificate validity, expiry, issuer, cipher, and SAN details for a given hostname via a paid per-call API using x402/USDC micropayments.","exampleAgentPrompt":"Can you check the SSL certificate for api.example.com — I want to know if it's valid, what TLS version it's using, and how many days are left before it expires?","exampleUseCases":[{"title":"Certificate expiry monitoring for production domain","prompt":"Check the TLS certificate on my production site myapp.io and tell me if it's still valid and how many days are left before it expires — I want to make sure we don't get caught with an expired cert."},{"title":"Security audit of third-party API endpoint","prompt":"I'm integrating with a third-party service at payments.vendor.com — can you inspect their SSL certificate and tell me who issued it, what cipher suite they're using, and what TLS version they support?"},{"title":"Debugging HTTPS issues for a new deployment","prompt":"My site staging.mycompany.com is showing certificate warnings in the browser — can you check if the TLS cert is actually valid and what the subject and SAN entries are so I can figure out if there's a mismatch?"}],"resultDescription":"Returns a JSON object containing: whether the certificate chain is valid, the number of days remaining until expiry, the certificate's not_after date, the TLS version, cipher suite, issuer, subject, SAN count and sample, and the port checked. On error, includes an error message field.","failureModes":["Host not found or unreachable — returns error field describing the connection failure","Host has no TLS listener on port 443 — returns error indicating connection refused","Certificate chain is invalid or self-signed — valid field is false with issuer/subject details still populated","Payment not received or x402 micropayment fails — call is rejected before processing","Malformed host input — returns error indicating invalid hostname format"],"whenToPreferThis":"Choose this endpoint when an AI agent needs programmatic, per-call TLS certificate inspection without committing to a full monitoring SaaS subscription. It is ideal for one-off checks, on-demand certificate audits within automated workflows, or when integrating TLS validation into a broader security pipeline. The x402 micropayment model means no API key setup — just pay $0.0005 USDC per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:19:00.888Z","isFirstParty":false,"canonicalSlug":"tls-ssl-certificate-checker-da5fd516"}