{"id":"0cd7b45c-dbbc-459d-a573-135b423b2df0","shortId":"2QUwLv","kind":"x402","title":"SSL certificate analysis for any domain — issuer, grade, expiry — paid per call via x402.","tagline":"SSL certificate analysis for any domain — issuer, grade, expiry — paid per call via x402.","description":"The `/domain/ssl` endpoint is part of the Domain Intelligence API hosted at domain.hugen.tokyo. It performs SSL/TLS certificate analysis on a given domain and returns structured results including the certificate issuer, whether the certificate is expired, an overall SSL grade, and whether SSL is present. The endpoint accepts a single required query parameter (`domain`) and returns JSON.\n\nThis endpoint is one of 7 individual domain intelligence checks available on the API (WHOIS, DNS, SSL, tech stack, security headers, subdomains, redirects), plus a combined `/domain/full` endpoint that runs all checks in parallel. Each endpoint is paid via the x402 protocol at $0.01 USDC per call on the Base network. The probe's 402 challenge confirms the endpoint is live and includes a sample SSL response showing fields like `has_ssl`, `grade`, `certificate.issuer`, and `certificate.is_expired`.\n\nAlternative access methods are available: an MCP gateway at mcp.hugen.tokyo, API key access with a free $0.05 credit via discovery.hugen.tokyo, and a Python SDK (`x402-pay`). The OpenAPI spec (v3.1) is published but response schemas for the paid endpoints are empty (no detailed field definitions), so the exact response structure must be inferred from the sample in the 402 challenge.","tags":[],"capabilities":["ssl-certificate-check","domain-analysis","tls-grade","certificate-expiry-check","x402-payment","base-network-usdc"],"categories":["security","domain-intelligence"],"synonyms":["SSL checker","TLS certificate lookup","domain SSL analysis","certificate expiry check","SSL grade API","HTTPS certificate info","domain security check"],"warnings":["Response schema is empty in the OpenAPI spec; field structure inferred from the 402 challenge sample only.","No detailed documentation beyond auto-generated Swagger UI.","Sample response in 402 challenge may not represent the full response shape."],"endpointUrl":"https://domain.hugen.tokyo/domain/ssl","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"},"payTo":"4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z","amount":"5000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}]},"qualityScore":"0.620","qualityRationale":"The endpoint is confirmed live via a 402 challenge that includes a sample response. OpenAPI spec is present but response schemas for paid endpoints are empty. No dedicated docs page beyond the auto-generated Swagger UI. Pricing is clear ($0.01 USDC on Base). The response structure is inferred from the 402 challenge sample rather than a formal 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'/domain/ssl':30 '0.01':128 '0.05':178 '402':139,221 '7':90 'HTTPS certificate info' 'SSL checker' 'SSL grade API' 'TLS certificate lookup' 'accept':75 'access':163,174 'altern':162 'analysi':3,17,46 'api':38,98,172 'avail':95,166 'base':134 'base-network-usdc' 'call':12,26,131 'certif':2,16,45,57,61 'certificate expiry check' 'certificate-expiry-check' 'certificate.is':160 'certificate.issuer':158 'challeng':140,222 'check':94,116 'combin':110 'confirm':141 'credit':179 'definit':207 'detail':205 'discovery.hugen.tokyo':181 'dns':100 'domain':6,20,36,50,81,92 'domain SSL analysis' 'domain security check' 'domain-analysis' 'domain.hugen.tokyo':41 'empti':203 'endpoint':31,74,86,112,120,143,201 'exact':210 'expir':63,161 'expiri':9,23 'field':153,206 'free':177 'gateway':169 'given':49 'grade':8,22,67,157 'header':105 'host':39 'includ':55,147 'individu':91 'infer':215 'intellig':37,93 'issuer':7,21,58 'json':84 'key':173 'like':154 'live':145 'mcp':168 'mcp.hugen.tokyo':171 'method':164 'must':213 'network':135 'one':88 'openapi':190 'overal':65 'paid':10,24,122,200 'parallel':118 'paramet':80 'part':33 'pay':188 'per':11,25,130 'perform':43 'plus':108 'present':72 'probe':137 'protocol':126 'publish':194 'python':184 'queri':79 'redirect':107 'requir':78 'respons':151,196,211 'result':54 'return':52,83 'run':114 'sampl':149,218 'schema':197 'sdk':185 'secur':104 'show':152 'singl':77 'spec':191 'ssl':1,15,66,70,101,150,156 'ssl-certificate-check' 'ssl/tls':44 'stack':103 'structur':53,212 'subdomain':106 'tech':102 'tls-grade' 'usdc':129 'v3.1':192 'via':13,27,123,180 'whether':59,69 'whoi':99 'x402':14,28,125,187 'x402-pay':186 'x402-payment'","prices":[{"id":"3d11f20f-0a88-43d9-8531-156a5df96982","listingId":"0cd7b45c-dbbc-459d-a573-135b423b2df0","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"},"payTo":"4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z","amount":"5000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:37.979Z"}],"sources":[{"listingId":"0cd7b45c-dbbc-459d-a573-135b423b2df0","source":"x402_bazaar","sourceId":"https://domain.hugen.tokyo/domain/ssl","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:37.979Z","lastSeenAt":"2026-04-22T05:32:30.358Z"}],"details":{"listingId":"0cd7b45c-dbbc-459d-a573-135b423b2df0","quickStartSnippet":"pip install x402-pay\nimport x402_pay\nr = x402_pay.get('https://domain.hugen.tokyo/domain/ssl?domain=example.com')\nprint(r.json())","exampleRequest":null,"exampleResponse":{"grade":"A","has_ssl":true,"certificate":{"issuer":{"organizationName":"Let's Encrypt"},"is_expired":false}},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The API provides 7 domain intelligence checks: WHOIS, DNS, SSL, tech stack, security headers, subdomains, redirects","source_url":"https://domain.hugen.tokyo/docs"},{"claim":"Payment is $0.01 USDC on Base per call","source_url":"https://domain.hugen.tokyo/domain/ssl"},{"claim":"Alternative access via MCP gateway, API key, and Python SDK","source_url":"https://domain.hugen.tokyo/domain/ssl"},{"claim":"OpenAPI spec version 3.1.0, title Domain Intelligence API","source_url":"https://domain.hugen.tokyo/docs"}],"useCases":["Automated SSL monitoring to detect expired or misconfigured certificates","Security audits verifying TLS configuration across a portfolio of domains","CI/CD pipeline checks ensuring production domains maintain valid SSL","Agent-driven domain reconnaissance gathering certificate metadata"],"bestFor":["Quick per-domain SSL certificate inspection without infrastructure setup","AI agents needing structured SSL data via a pay-per-call model","Lightweight certificate monitoring where a full scanning platform is overkill"],"notFor":["Bulk scanning of thousands of domains (per-call pricing adds up)","Deep TLS vulnerability scanning (cipher suite enumeration, protocol downgrade testing)","Free or unauthenticated SSL checks (payment is required per call)"],"kindDetails":{},"updatedAt":"2026-04-22T02:25:14.277Z"}}