{"uid":"cap_u-UFo9yLIKDUJKDS7LhGI","slug":"agentshelf-syntexa-ch-tls-cipher-security-check-a2365074","name":"agentshelf.syntexa.ch TLS Cipher Security Check","description":"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.","url":"https://agentshelf.syntexa.ch/v1/tls-cipher?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","maxLength":2048,"minLength":8,"description":"Public URL whose hostname is inspected. Provide url or host. Private targets are rejected."},"host":{"type":"string","examples":["example.com"],"maxLength":253,"minLength":1,"description":"Public hostname such as example.com. The port and check are fixed by the SKU. Provide host or url."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_R1JP07pEAil-B5HBfC0t1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether the negotiated TLS cipher on port 443 excludes weak/prohibited algorithms (NULL, EXPORT, RC4, DES)","exampleAgentPrompt":"Can you check whether api.example.com is negotiating a weak TLS cipher on port 443 — specifically whether it excludes NULL, EXPORT, RC4, and DES ciphers?","exampleUseCases":[{"title":"Pre-deployment security cipher audit","prompt":"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?"},{"title":"Third-party vendor TLS compliance check","prompt":"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?"},{"title":"Ongoing security monitoring for partner API","prompt":"Can you verify that the partner API at api.partnerservice.com has strong TLS cipher negotiation and excludes deprecated algorithms like RC4 and DES?"}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:20:21.967Z","isFirstParty":false,"canonicalSlug":"agentshelf-syntexa-ch-tls-cipher-security-check-a2365074"}