{"uid":"cap_k6uk98tzl71zgtQ6iOrsY","slug":"fingerprint-resell-risk-check-8890654a","name":"Fingerprint Resell Risk Check","description":"Device-fingerprint resale fraud check: submit a browser or device fingerprint and receive a risk signal showing whether that fingerprint has been resold or reused across many accounts — a strong indicator of account-takeover, bonus abuse, fake-account farming, and bot networks. Returns a fraud score, match count, and first/last-seen timestamps. Strengthens KYC, signup, and login defenses. (Paused pending API key; indexing resumes after first settled call.)","url":"https://apiwitchcraft.duckdns.org/fp-resell/check","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"],"type":"string"},"queryParams":{"type":"object","required":["requestId"],"properties":{"requestId":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.002/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_3CdESwP4veEv2hQuizmL1","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":"Checks whether a given request ID is associated with resell risk based on fingerprint signals.","exampleAgentPrompt":"Can you run a fingerprint resell risk check on request ID 'abc-12345-xyz' to see if it's flagged as a potential scalper or resell bot?","exampleUseCases":[{"title":"Catch scalper bots at checkout","prompt":"We're launching limited-edition sneakers tomorrow and I'm worried about bots. Can you check request ID 'req-98712-boot' against the fingerprint resell risk API to see if this buyer looks like a scalper before we let the purchase go through?"},{"title":"Flag fake accounts during signup","prompt":"We've had a wave of suspicious new account registrations this week. Can you run a fingerprint resell risk check on request ID 'reg-55423-usr' to find out if this device fingerprint has been reused across multiple accounts and whether it's flagged as high risk?"},{"title":"Detect bonus abuse on promotions","prompt":"A user just claimed our referral bonus for the third time this month using what looks like a different account. Can you check request ID 'promo-77301-clm' through the fingerprint resell risk service to see if the fingerprint has been seen before and if there's any fraud signal we should act on?"}],"resultDescription":"Returns a resell risk assessment for the given request ID, likely including a risk flag or score indicating whether the fingerprinted request exhibits resell or scalping behavior.","failureModes":["Missing requestId parameter returns a validation error","Invalid or unknown requestId returns not-found or empty result","Service unavailable returns 5xx error","Payment not processed returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need to detect whether a specific request or purchase attempt is associated with resell or scalping risk based on fingerprint signals. Prefer this over generic fraud APIs when the use case is specifically resell/scalper bot detection tied to a fingerprinted request ID.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:39:28.829Z","isFirstParty":false}