# SSL / TLS Certificate Audit

> SSL / TLS Certificate Audit is a paid API for AI agents from x402-hono-api.inraby.workers.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Audits a domain's SSL/TLS certificate expiry, HTTPS reachability, HSTS enforcement, and HTTP-to-HTTPS redirect posture using certificate transparency and live transport checks.

## Facts

- Endpoint: POST https://x402-hono-api.inraby.workers.dev/api/v1/ssl-certificate-audit
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/ssl-tls-certificate-audit-b93c26f7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lLlyKwhN0ngf2TKn6edRn

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability ssl-tls-certificate-audit-b93c26f7 -d '<json body>'
```

Example prompt: Can you do a full SSL/TLS certificate audit on example.com — I want to know when the cert expires, whether HTTPS is reachable, if HSTS is set, and whether HTTP redirects to HTTPS?

## When to prefer this

Choose this endpoint when you need a comprehensive, live SSL/TLS posture check for a single domain covering certificate expiry, HTTPS availability, HSTS, and redirect behavior in one call. It is especially valuable for security audits, compliance evidence gathering, and pre-launch web security checks. Prefer it over generic DNS audit tools when the focus is specifically on certificate health and transport-layer HTTPS enforcement.

## Known failure modes

- Domain is unreachable or does not resolve — returns connectivity error
- Domain has no HTTPS listener — HTTPS reachability check fails
- Certificate transparency lookup fails for obscure or very new domains
- Invalid or malformed domain input returns a validation error
- Self-signed or expired certificates may cause live transport check failures

## How this service works

Audit domain SSL/TLS certificate expiry, HTTPS reachability, HSTS, and HTTP-to-HTTPS redirect posture using certificate transparency and live transport checks.

## Output

Returns details about the domain's SSL/TLS certificate including expiry date, validity status, HTTPS reachability result, HSTS header presence and configuration, HTTP-to-HTTPS redirect behavior, and any anomalies detected via certificate transparency checks.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "domain": {
   "type": "string",
   "description": "Domain to audit (example.com)"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ssl-tls-certificate-audit-b93c26f7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-hono-api.inraby.workers.dev](https://www.zero.xyz/host/x402-hono-api.inraby.workers.dev/llms.txt)