{"uid":"cap_xJa0QDYDM1BzD_DrXnP_S","slug":"baselens-x402-endpoint-checker-3602e642","name":"BaseLens x402 Endpoint Checker","description":"Honeypot check and rug pull check for Base tokens (is this token safe?), new token launches feed for snipers, cheapest cloud GPU prices, web page to markdown scraper. Also tx explainer, wallet balances, x402 checker. No API key: pay USDC on Base per call via x402.","url":"https://baselens.imac2014ville.workers.dev/x402check?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"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"https URL of an x402 endpoint"},"method":{"enum":["GET","POST"],"type":"string","description":"HTTP method the endpoint uses (default GET)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"isX402":true,"issues":[],"options":[{"network":"eip155:8453","priceUsd":0.01}],"latencyMs":180}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oRd6tRhQ9tUN3ucaSRMOD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","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 HTTPS URL is a valid x402 pay-per-call endpoint and returns its pricing and network options","exampleAgentPrompt":"Check if https://baselens.imac2014ville.workers.dev/markdown is a valid x402 endpoint and tell me what it charges per call and which network it runs on.","exampleUseCases":[{"title":"Pre-flight x402 integration check","prompt":"Before I build my agent to call that BaseLens markdown API, can you verify that https://baselens.imac2014ville.workers.dev/markdown is actually set up as an x402 endpoint and tell me the price per call?"},{"title":"Discovering x402 pricing before payment","prompt":"I found an API at https://someservice.example.com/api/data — can you probe it to see if it uses x402 and what it charges, so I know how to pay for it?"},{"title":"Debugging a suspected x402 misconfiguration","prompt":"My agent keeps failing when hitting https://api.myproject.dev/report — can you check whether it's a proper x402 endpoint and flag any issues with its setup?"}],"resultDescription":"Returns a JSON object indicating whether the URL is a valid x402 endpoint (isX402 boolean), an array of any detected issues, a list of payment options including network ID (e.g. eip155:8453 for Base) and price in USD, and the latency of the probe in milliseconds.","failureModes":["Non-x402 URL returns isX402: false with empty options array","Unreachable or invalid URL may return an error or timeout","URL that requires authentication may not expose x402 headers correctly","HTTP-only (non-HTTPS) URLs are not supported per schema","Malformed URL input may return a validation error"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify whether a given URL implements the x402 pay-per-call payment protocol before attempting to call or integrate it — especially useful for agent workflows that dynamically discover and invoke APIs, or when debugging x402 payment flows. Prefer this over manual HTTP inspection when you need a structured, machine-readable response with pricing and network details.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:41:34.302Z","isFirstParty":false,"canonicalSlug":"baselens-x402-endpoint-checker-3602e642"}