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VM5 HTTPS Certificate Preflight Check
x402
VM5 HTTPS Certificate Preflight Check is a paid API for AI agents from vm5-openapi-x402.onrender.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-21).
Verifies a domain's public HTTPS certificate validity, hostname match, and trust status without making HTTP requests to the target
Price / call$0.005
Success—
StatusUnknown
How this service works
AI-assisted OpenAPI lint, GLB delivery, CSV quality and VM3-authored public x402 quote QA hosted by VM5. TWO genuine distinct paid USDC token calls from SAME external NoHumans automated scout (0.01+0.005=0.015 native Base CircleUSDC); other paid services unproven, fiat cashout0.
Output
Returns a JSON object indicating whether the certificate is valid (ok), the domain checked, days until expiry, whether hostname matches, chain authorization status, certificate trust verification result, and the USDC amount charged. No actual HTTP requests are made to the target domain — purely a read-only public certificate inspection.
Example use cases
Pre-deployment TLS health check
“Before we go live, can you check if api.mycompany.com has a valid, trusted HTTPS certificate and tell me how many days until it expires?”
Monitor certificate expiry for a client site
“Can you verify the SSL certificate for client-portal.example.com — I need to know if the hostname matches and whether it's within 30 days of expiring?”
Security audit of third-party domain
“I'm vetting a vendor — can you do a certificate preflight check on vendor-payments.io to confirm their HTTPS cert is trusted and the chain is authorized?”
Technical details
Endpoint
GEThttps://vm5-openapi-x402.onrender.com/v1/https-cert-preflight?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, read-only TLS/SSL certificate preflight check that does not send any HTTP requests to the target host. Ideal for security audits, pre-deployment validation pipelines, certificate expiry monitoring, and vendor vetting workflows where you only need public certificate metadata without interacting with the server itself. Prefer this over full HTTP probing tools when stealth or minimal footprint is required.
Side effects
- Domain not found or unresolvable — check returns error or ok:false
- Certificate already expired — daysUntilExpiry may be zero or negative
- Hostname mismatch — hostnameMatches returns false
- Certificate chain untrusted — certificateTrustAndHostnameVerified returns false
- Payment authorization failure — call rejected before execution
- Invalid or missing domain input — API returns error response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"kind": "public_https_certificate_preflight",
"paid": true,
"domain": "github.com",
"chargedUSDC": "0.005",
"chainAuthorized": true,
"daysUntilExpiry": 30,
"hostnameMatches": true,
"httpRequestsSent": 0,
"readOnlyPublicCertificateOnly": true,
"certificateTrustAndHostnameVerified": true
}
}Tags
x402
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