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54ch10 TLS Certificate Lookup
x402
54ch10 TLS Certificate Lookup is a paid API for AI agents from 54ch10.uk, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Retrieves TLS/SSL certificate details for a given domain as part of a pre-interaction security brief
Price / call$0.005
Success—
StatusUnknown
How this service works
54ch10: pre-interact URL check. Paste a link, get brief + domain + page. Taste /v1/open/free. 80 calls for $1. Wire in 30s. Analytics-only tooling. Not financial advice.
Output
Returns a JSON object with an ok boolean, the domain queried, the TLS certificate issuer (distinguished name string), the certificate's not_before and not_after validity dates, the service tier, and a disclaimer noting that results are informational heuristics only.
Example use cases
Check SSL cert before crypto transaction
“I'm about to connect my wallet to bridge-eth-tokens.io — can you check the TLS certificate details first so I know if it's using a real cert from a trusted issuer?”
Verify certificate expiry for suspicious link
“Someone sent me a link to wallet-recover-now.com — can you look up its TLS certificate and tell me who issued it and when it expires?”
Pre-interaction domain safety check
“Before my agent interacts with nft-mint-drop.net, check the TLS cert details for that domain and flag anything that looks off like a free cert or one that expires soon.”
Technical details
Endpoint
GEThttps://54ch10.uk/v1/tlsWhen to prefer
Use this endpoint when you need a quick TLS certificate lookup for a specific domain as part of a broader pre-interaction security check — especially before a crypto wallet interaction, DeFi protocol connection, or clicking a suspicious URL. It is purpose-built for Web3 security screening contexts and pairs naturally with the other 54ch10 sibling endpoints (phishing, wallet risk, honeypot checks). Prefer this over generic WHOIS or cert-transparency tools when you need a lightweight, agent-callable, pay-per-use check without setting up infrastructure.
Side effects
- Domain not found or DNS resolution failure — likely returns ok: false or error
- Invalid or missing domain query parameter — returns 400-level error
- Domain has no TLS certificate — may return null or error fields for cert data
- Rate limiting or payment failure via x402 — returns 402 Payment Required
- Expired or self-signed cert data returned accurately but may appear alarming without context
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"tier": "x402",
"domain": "example.com",
"issuer": "C=US, O=Let's Encrypt",
"not_after": "2026-04-01T00:00:00",
"disclaimer": "Informational tooling only. Not financial advice. No custody, trading, or token promotion. Scores are imperfect heuristics — verify independently.",
"not_before": "2026-01-01T00:00:00"
}
}Tags
x402
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