{"uid":"cap_XT8JjU3i910SqtDWiXJGh","slug":"x402-endpoint-preflight-trust-check-e4d61a70","name":"x402 Endpoint Preflight Trust Check","description":"Preflight trust check of another x402 endpoint before an agent pays it. From the target resource URL: a composite trust score 0-100, a category (trusted / caution / untrusted / unknown), per-dimension flags, reasons and weighted signals. Scored from CDP x402 Bazaar discovery, an on-chain USDC payment-diversity sample, and a live 402 probe that the served payTo matches the listing. Trust indicators, not a guarantee.","url":"https://api.agentstools.dev/preflight","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","required":["url"],"properties":{"url":{"type":"string","description":"The x402 resource/endpoint URL the buyer agent intends to pay"},"network":{"enum":["base","ethereum","arbitrum","optimism","polygon"],"type":"string","description":"Optional payment network hint for the target (default any)"},"resource":{"type":"string","description":"Synonym for url (the target resource URL)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9thneIGJbHC70jesr1UI7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a composite trust assessment of an x402 payment endpoint before an agent commits funds, returning a 0-100 trust score, category label, and per-dimension signals.","exampleAgentPrompt":"Before my agent pays it, run a preflight trust check on the x402 endpoint at https://api.example.com/data using a GET request and tell me the trust score, category, and any red flags.","exampleUseCases":null,"resultDescription":"Returns a composite trust score from 0 to 100, a categorical label (trusted, caution, untrusted, or unknown), per-dimension boolean flags, human-readable reasons, and weighted signals derived from CDP x402 Bazaar discovery data, on-chain USDC payment diversity sampling, and a live 402 probe confirming the payTo address matches the listing.","failureModes":["Target URL is unreachable or returns non-402 response — probe dimension marked failed","URL is not listed in CDP x402 Bazaar — results in 'unknown' category with low score","Invalid or unsupported HTTP method provided — request validation error","Target network not supported — network dimension skipped or errored","Score is indicative only — endpoint may still be fraudulent despite high score"],"whenToPreferThis":"Use this endpoint whenever an AI agent is about to pay an unfamiliar x402 endpoint and needs a pre-payment risk signal. It is specifically designed for x402 protocol trust assessment combining on-chain, discovery, and live-probe signals — prefer it over generic URL scanners or reputation APIs when the target is a pay-per-call API using the x402 standard.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:47:25.451Z","isFirstParty":false}