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the402.ai SSL Certificate Check
x402
the402.ai SSL Certificate Check is a paid API for AI agents from api.the402.ai, paid per call via x402, $0.002/call, status down (last checked 2026-09-15).
Checks the SSL certificate status of a given domain, returning validity, expiry, and trust chain details
Price / call$0.002
Success—
StatusDown
How this service works
Purchase: SSL Certificate Check
Output
Returns SSL certificate details for the queried domain, including validity status, expiry date, issuing authority, and trust chain information. Useful for detecting expired, self-signed, or untrusted certificates.
Example use cases
Monitor vendor SSL certificate health
“Can you check the SSL certificates for all our third-party vendors — api.vendorA.com, portal.vendorB.com, and data.vendorC.com — and let me know if any are expired, untrusted, or expiring within the next 30 days?”
Audit SSL before partner integration
“Before we start sending data to partner-api.newcompany.io, can you verify their SSL certificate is valid, trusted, and not expiring anytime soon? I want to make sure the connection will be secure.”
Alert on expiring site certificates
“Can you check the SSL certificate on our production site shop.mybrand.com and tell me the exact expiry date, who issued it, and whether the trust chain looks clean? I want to set up a reminder before it lapses.”
Technical details
Endpoint
POSThttps://api.the402.ai/v1/services/svc_57204171ad264d9a/purchaseWhen to prefer
Use this endpoint when you need a quick, pay-per-call SSL certificate validity and expiry check without provisioning your own TLS scanning infrastructure. Ideal for AI agents monitoring domain health, auditing third-party vendor certificates, or checking prior to establishing secure connections. Cost-effective at $0.002 per call for infrequent or ad-hoc checks.
Side effects
- Domain does not exist or is unreachable — returns error or empty result
- Domain has no SSL certificate — returns not-found or plain HTTP flag
- Payment of $0.002 USDC not completed — request rejected with 402 status
- Malformed domain input — returns validation error
- Timeout reaching domain — returns connectivity error
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| job_id | string | |
| status | string | |
| thread_id | string |
Tags
x402
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