{"uid":"cap_Vmqeu-gTS6rUFrgPasEBb","slug":"api-x402node-dev-87432c77","name":"SSL/TLS Certificate Inspector","description":"ssl certificate checker, SSL certificate validator, check SSL certificate, SSL certificate expiration, HTTPS certificate check, SSL chain analyzer. Get full TLS handshake details for any domain: issuer, subject, SANs, validity dates, days remaining, fingerprint, serial, protocol, cipher. For AI agents, security audits, monitoring, HTTPS pipelines, tls certificate check, certificate expiry Accepts payment on Base or Solana — either network works.","url":"https://api.x402node.dev/url/ssl-check","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"],"type":"string"},"queryParams":{"type":"object","required":["domain"],"properties":{"port":{"type":"string","description":"Port (optional)"},"domain":{"type":"string","description":"Domain name (required)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0022","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":"$0.0022/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0022","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0022","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i7M0lzAEoOfhO5glUBkHO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0022","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a full TLS handshake inspection for a given domain and returns certificate details including issuer, subject, SANs, validity dates, days remaining, fingerprint, serial number, protocol, and cipher suite.","exampleAgentPrompt":"Can you check the SSL certificate for api.stripe.com — I want to know how many days are left before it expires, who issued it, what TLS protocol and cipher it's using, and the SHA-256 fingerprint?","exampleUseCases":null,"resultDescription":"Returns a JSON object containing: domain, validity boolean, days remaining, validFrom/validTo timestamps, expired flag, issuer object, subject object, subjectAltNames string, serial number, SHA-256 fingerprint, TLS protocol string, cipher suite object, port, and a request timestamp.","failureModes":["Domain does not exist or is unreachable — connection timeout or DNS resolution failure","Domain has no HTTPS listener on the specified port — connection refused","Invalid domain format in request body — validation error","Expired or self-signed cert may still return data but with valid=false and expired=true","Network or TLS handshake failure on the server side — may return error response"],"whenToPreferThis":"Use this endpoint when you need programmatic, structured TLS certificate metadata for a domain — especially for security audits, certificate expiration monitoring, HTTPS infrastructure validation pipelines, or AI agent workflows that need to assess a site's security posture. Prefer this over manual browser inspection or general-purpose HTTP tools when you need machine-readable cert details including SANs, fingerprint, cipher, and protocol in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:40:04.720Z","isFirstParty":false}