{"uid":"cap_SR451Jkr3flPfqSFZa4W6","slug":"agentreeve-preflight-x402-endpoint-pre-pay-probe-6ca319f7","name":"AgentReeve Preflight — x402 Endpoint Pre-Pay Probe","description":"Preflight an x402 endpoint. Live probe before you pay: liveness, strict quote validity, exact amount/asset/network, payTo history match and 7-day uptime.","url":"https://agentreeve.com/api/preflight","method":"POST","headers":{},"bodySchema":null,"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":"down","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_vtAV5Aax9lhqtdhFvrSmY","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 live preflight check on an x402 endpoint before payment: verifies liveness, validates quote terms, confirms payment amount/asset/network, checks payTo address history, and reports 7-day uptime.","exampleAgentPrompt":"Before I pay for this x402 endpoint at https://api.example.com/data, run a preflight check to confirm it's live, the quote terms are valid, the payTo address looks legitimate based on history, and the 7-day uptime is acceptable.","exampleUseCases":[{"title":"Pre-pay safety check for unknown API","prompt":"I found an x402 API at https://weather-api.xyz/forecast that wants 0.01 USDC — can you preflight it first to make sure it's actually live, the quote is legit, and the payment address has a clean history before I send anything?"},{"title":"Uptime audit before workflow integration","prompt":"I'm about to integrate an x402 endpoint into my automated agent pipeline — can you run a preflight probe on https://data-provider.io/prices to check its 7-day uptime and confirm the quote and payTo details are consistent?"},{"title":"Scam detection on unfamiliar x402 service","prompt":"This x402 endpoint https://quickdata-api.net/query is asking for payment but I've never used it before — can you preflight it and tell me if the payTo address history looks suspicious or if anything about the quote seems off?"}],"resultDescription":"Returns a structured preflight report including: endpoint liveness (up/down), quote validity flag, exact required payment amount and asset, network confirmation, payTo address reputation/history match, and a 7-day uptime percentage — allowing an agent to decide whether to proceed with payment.","failureModes":["Endpoint is unreachable — returns liveness failure with no further checks possible","x402 quote is malformed or missing required fields — returns strict quote validity failure","payTo address has no history or shows drift from previous observations — flagged as suspicious","Network or asset mismatch detected between quote and expected parameters","AgentReeve probe infrastructure temporarily unavailable — service error response"],"whenToPreferThis":"Use this endpoint whenever an AI agent is about to make a payment to an unknown or infrequently-used x402 API and wants to verify safety before committing funds. Prefer it over skipping preflight entirely when dealing with new providers, large payments, or automated pipelines where a broken endpoint would cause cascading failures. It is especially valuable for detecting payTo address drift (potential scam or hijack) and for confirming quote validity in strict x402 environments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:25:51.074Z","isFirstParty":false}