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agentshelf.syntexa.ch TLS Cipher Security Check
x402
agentshelf.syntexa.ch TLS Cipher Security Check is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-02).
Checks whether the negotiated TLS cipher on port 443 excludes weak/prohibited algorithms (NULL, EXPORT, RC4, DES)
Price / call$0.003
Success—
StatusUnknown
How this service works
Call when an agent needs whether the negotiated cipher on port 443 excludes NULL, EXPORT, RC4, and DES. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/tls-cipher first.
Output
Returns whether the TLS cipher negotiated on port 443 excludes prohibited weak algorithms (NULL, EXPORT, RC4, DES), along with the cipher suite name and security assessment.
Example use cases
Pre-deployment security cipher audit
“Before we go live, can you check that our staging server staging.myapp.io isn't using any weak TLS ciphers like RC4 or DES on port 443?”
Third-party vendor TLS compliance check
“We need to verify that our payment processor vendor at payments.vendorcorp.com isn't negotiating NULL or EXPORT ciphers on their HTTPS endpoint — can you check that?”
Ongoing security monitoring for partner API
“Can you verify that the partner API at api.partnerservice.com has strong TLS cipher negotiation and excludes deprecated algorithms like RC4 and DES?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/tls-cipher?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, paid cipher-suite security check for a specific host or URL and the free sandbox POST /v1/sandbox/tls-cipher is unavailable or exhausted. Ideal for automated security auditing pipelines, compliance checks against PCI-DSS or similar standards that prohibit NULL/EXPORT/RC4/DES ciphers, and verifying third-party or partner server security posture.
Side effects
- Host unreachable or not listening on port 443 — connection timeout error
- Invalid or malformed hostname/URL input — validation error
- Server uses TLS but refuses connection probe — handshake error
- Host resolves but certificate issues prevent cipher inspection
- Rate limiting or payment failure — 402 or 429 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | Public URL whose hostname is inspected. Provide url or host. Private targets are rejected. |
| host | string | Public hostname such as example.com. The port and check are fixed by the SKU. Provide host or url. |
Tags
x402
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