{"uid":"cap_XIUk4sThr0HUyUKkOxDt6","slug":"agent-tools-preflight-batch-url-checker-05811ccc","name":"Agent Tools Preflight Batch URL Checker","description":"Primary-source tools for AI agents: verify before you pay, cite, or repeat.","url":"https://agent-tools-7936.onrender.com/preflight/batch?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string"}}},"responseSchema":{"type":"json","example":{"best":"https://edgar.apitoll.cloud/v1/edgar/filings","results":[{"verdict":"PAYABLE"},{"verdict":"DEAD"}]}},"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_EG2YlsqGPPiG7SQqF2gD0","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":"Checks a batch of URLs to determine which are live and payable versus dead, helping agents avoid calling broken or inaccessible endpoints","exampleAgentPrompt":"Before I pay to call any of these API endpoints, can you run a preflight batch check on them and tell me which ones are live and payable versus dead — starting with https://edgar.apitoll.cloud/v1/edgar/filings?","exampleUseCases":[{"title":"Pre-payment API endpoint validation","prompt":"I have a list of API URLs I'm about to pay for — can you batch-check them first and tell me which ones are actually live and which are dead, so I don't waste money calling broken endpoints?"},{"title":"Citation source verification","prompt":"Before I cite these data sources in my report, can you verify which of these URLs are actually reachable and returning valid responses right now?"},{"title":"Agent workflow dead-link pruning","prompt":"My agent pipeline has 6 API endpoints it might call — can you run a preflight check on all of them and tell me which ones are PAYABLE versus DEAD so I can route around the broken ones?"}],"resultDescription":"Returns a JSON object with a 'best' field pointing to the top-recommended live URL, and a 'results' array where each entry contains a 'verdict' field indicating whether that URL is 'PAYABLE' (live and accessible) or 'DEAD' (unreachable or broken).","failureModes":["URL that is temporarily slow may be incorrectly marked DEAD","Batch input with malformed URLs may return partial results or errors","Rate limiting or network issues on the probe side could cause false DEAD verdicts","No input URL provided returns a validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to verify one or more API URLs before committing to a paid call or citation — especially in agentic workflows where calling a dead endpoint wastes money or produces incorrect output. Prefer this over generic uptime monitors when you specifically need to know if an endpoint is 'payable' (returns a valid x402 or API response) versus merely reachable by ping.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:35:37.379Z","isFirstParty":false,"canonicalSlug":"agent-tools-preflight-batch-url-checker-05811ccc"}