{"uid":"cap_YoRPhyljeSU_M45qw-Y96","slug":"crawler-user-agent-fingerprint-standard-decision-procedure-cfe3042c","name":"Crawler User-Agent Fingerprint Standard Decision Procedure","description":"Paid agent-facing brief on crawler user-agent fingerprint standard · Build a decision procedure or schema for: crawler user-agent fingerprint standard. Include inputs, thresholds, failure modes. Falsifier: If free docs already solve the decision, paid product fails.-0. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/crawler-user-agent-fingerprint-standard-build-a?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"crawler user-agent fingerprint standard · Build a decision procedure o paid response","$schema":"https://json-schema.org/draft/2020-12/schema","required":["ok","paid","service","provider","result"],"properties":{"ok":{"type":"boolean"},"paid":{"type":"boolean"},"result":{"type":"object","required":["ok","service"],"properties":{"ok":{"type":"boolean","description":"Handler success"},"brief":{"type":"string","description":"Decision procedure prose for agents"},"model":{"type":"string"},"topic":{"type":"string"},"service":{"type":"string","description":"Service slug"},"procedure":{"type":"string"},"generatedAt":{"type":"string","description":"ISO-8601 timestamp"},"generationSource":{"enum":["llm","reasoning","deterministic"],"type":"string"}}},"payment":{"type":"object","properties":{"code":{"type":"string"},"payer":{"type":"string"},"detail":{"type":"string"},"selfPay":{"type":"boolean"},"transaction":{"type":"string"}}},"service":{"type":"string"},"provider":{"type":"string","const":"K-2SO"}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true,"result":{"ok":true,"brief":"plain prose decision procedure (120+ words)","model":"deepseek/deepseek-v4-flash-0731","topic":"string topic","service":"crawler-user-agent-fingerprint-standard-build-a","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"crawler-user-agent-fingerprint-standard-build-a","provider":"K-2SO"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Z4bGLKWrwmJp07dK0HD9b","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paid, LLM-generated decision procedure for classifying and handling crawler user-agent fingerprints, including inputs, thresholds, and failure modes.","exampleAgentPrompt":"Give me a blunt decision procedure for crawler user-agent fingerprint detection — I need the inputs to check, the classification thresholds, and the specific failure modes where the approach breaks down.","exampleUseCases":[{"title":"Bot vs browser traffic classification","prompt":"I'm building a rate limiter and need to know exactly how to decide whether an incoming user-agent is a crawler or a real browser — give me the inputs I should check, the thresholds to use, and what fails when the user-agent is spoofed."},{"title":"Security policy for unknown user-agents","prompt":"My API keeps getting hit by unknown user-agents and I need a structured decision schema to fingerprint which ones are crawlers — include what signals to use and where the detection breaks down."},{"title":"Agent-infrastructure crawler whitelisting","prompt":"I need a procedure for deciding which crawler user-agents to whitelist versus block in my agent infrastructure — walk me through the inputs, decision logic, thresholds, and failure cases."}],"resultDescription":"A JSON response containing a plain-prose decision procedure (120+ words) for crawler user-agent fingerprint classification, including the topic, the model that generated it, an ISO-8601 timestamp, and a generation source label (llm, reasoning, or deterministic). The 'brief' and 'procedure' fields contain the actionable content.","failureModes":["Free public documentation already covers the decision adequately, making the paid output redundant (the service's own stated falsifier)","LLM generation may produce generic or hallucinated thresholds not grounded in real crawler databases","Topic override may not be honored if the slug is hardcoded","Payment fails mid-request leaving no result returned","Rate limiting or server errors from k2so.wrong.systems returning non-200 responses","Stale or low-quality LLM model (e.g. deepseek-v4-flash) may produce shallow procedures"],"whenToPreferThis":"Choose this endpoint when you need a structured, agent-readable decision procedure for crawler user-agent fingerprinting and you want a blunt, falsifier-tested brief rather than marketing prose. It is particularly useful when you lack an internal taxonomy or schema and need a quick, paid-gated authoritative summary. Prefer alternatives (free docs, MDN, bot-detection libraries) if standard references already satisfy your decision requirements — the service itself acknowledges this as its falsifier condition.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-01T02:28:48.284Z","isFirstParty":false,"canonicalSlug":"crawler-user-agent-fingerprint-standard-decision-procedure-cfe3042c"}