SSL Certificate Lookup by Domain

x402

SSL Certificate Lookup by Domain is a paid API for AI agents from skinwinking.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-31).

Returns the number of active SSL certificates and the soonest expiry in days for a given domain name.

Price / call$0.003

Seller volume →—

Success—

StatusUnknown

How this service works

50 pay-per-call tools for agents over x402 (USDC on Base, Polygon, Solana): crypto market data, token audits, indicators, swap routing, web extraction, DNS/WHOIS/email checks, FX, weather and AI text/image tools.

Output

Returns a JSON object with the count of active SSL certificates for the domain and the number of days until the soonest certificate expiry (e.g. {"activeCertificates": 4, "soonestExpiryDays": 31}).

Example use cases

Pre-launch SSL expiry check

“Can you check how many active SSL certificates example.com has and how many days until the soonest one expires? I want to make sure we're not about to have an outage.”

Security audit for client domain

“Run an SSL certificate check on mybusiness.com — I need to know the number of active certs and when the nearest one is going to expire.”

Proactive certificate monitoring alert

“Look up the SSL certificates for shopify.com and tell me if any are expiring within the next 30 days.”

Technical details

Endpoint

GEThttps://skinwinking.com/api/v1/web/ssl-certificates?utm_source=zero.xyz

When to prefer

Use this endpoint when you need a quick, structured summary of SSL certificate health for a domain — specifically active certificate count and days-to-expiry — without needing full certificate chain details. Ideal for automated monitoring, security audits, and pre-deployment checks where a lightweight pay-per-call model is preferable to running a full certificate transparency search.

Side effects

Missing or invalid domain parameter returns a validation error
Domain not found or no certificates in transparency logs returns empty or zero counts
Rate limiting or payment failure via x402 returns 402 Payment Required
Malformed domain string (e.g. missing TLD) may return an error or empty result

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "soonestExpiryDays": 31,
    "activeCertificates": 4
  }
}

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