{"uid":"cap_KBVw1z9K_5mqk0yBndulg","slug":"tls-ja4-fingerprinter-0bfed912","name":"TLS JA4 Fingerprinter","description":"The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.","url":"https://api.m2mcent.com/tls-ja4-fingerprinter-mcp/api/process?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.12","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":"$0.12/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_h98PnXW_7NpBWLFcrMyLL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.12","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes JA4 TLS fingerprints from raw TLS client hello data or connection metadata","exampleAgentPrompt":"Can you compute the JA4 TLS fingerprint for this raw TLS client hello data: '0303abcd1234...' and tell me what client signature it produces?","exampleUseCases":[{"title":"Bot detection via TLS fingerprint","prompt":"I've captured some TLS client hello bytes from suspicious traffic — can you run JA4 fingerprinting on this data and tell me what fingerprint it produces so I can compare it against known bot signatures?"},{"title":"Security audit of client TLS behavior","prompt":"We're auditing our server logs and need to fingerprint TLS connections to identify what clients are connecting. Can you generate a JA4 fingerprint from this TLS handshake data: '16030100f8010000f40303...'?"},{"title":"Threat intelligence enrichment pipeline","prompt":"As part of our threat intel pipeline, I need to extract the JA4 fingerprint from this TLS client hello payload so we can cross-reference it with our known malware fingerprint database."}],"resultDescription":"Returns a JA4 TLS fingerprint string derived from the input TLS data, including the structured hash that encodes TLS version, cipher suites, extensions, and ALPN values in the JA4 format (e.g. 't13d1516h2_8daaf6152771_b0da82dd1658').","failureModes":["Invalid or malformed TLS data string returns an error","Empty or missing 'data' field causes validation failure","Non-TLS binary data passed as input may return an unexpected or null fingerprint","Truncated TLS client hello may result in partial or failed fingerprint extraction"],"whenToPreferThis":"Use this endpoint when you need to compute JA4 TLS fingerprints programmatically as part of a security pipeline, bot detection system, or network traffic analysis workflow. Prefer it over manual parsing when you need fast, structured fingerprint output from raw TLS handshake data without maintaining your own fingerprinting library.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T07:19:46.249Z","isFirstParty":false,"canonicalSlug":"tls-ja4-fingerprinter-0bfed912"}