{"uid":"cap_AwyLXLZqKcJ7LivF_O-ip","slug":"quantaflow-rapid-x-checker-x402-api-gateway-ef55c0ed","name":"QuantaFlow Rapid X Checker - x402 API Gateway","description":"Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.","url":"https://quanta-roan.vercel.app/api/service/rapid-x-checker?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"body":{"type":"string","description":"Optional JSON body forwarded to POST requests."},"path":{"type":"string","description":"Path below the selected upstream origin."},"query":{"type":"object"},"method":{"enum":["GET","POST"],"type":"string"}}},"responseSchema":{"description":"The upstream response body and content type are passed through after successful payment."},"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_gEM4XdQSZGibsaQLGUFTM","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":"Proxies requests to a rapid X (Twitter/social) checker tool via x402 micropayment protocol, charging $0.01 USDC per call","exampleAgentPrompt":"Check the X account @elonmusk using the QuantaFlow rapid X checker — look up the profile info and return whatever the checker finds.","exampleUseCases":[{"title":"X account validity check","prompt":"Can you check whether the X handle @cryptowhale99 is a real active account? Use the rapid X checker to find out."},{"title":"Web3 influencer X profile lookup","prompt":"Look up the X profile data for @vitalikbuterin using the rapid X checker and tell me what it returns about the account."},{"title":"Automated X handle monitoring","prompt":"Run a rapid X check on the handle @newdefiprotocol and give me the results — I want to see what the checker reports about it."}],"resultDescription":"The raw upstream response body from the rapid X checker service, passed through after successful x402 micropayment ($0.01 USDC). Content type mirrors whatever the upstream checker returns, typically JSON with X account or post data.","failureModes":["Payment failure — insufficient USDC balance or wallet not configured for x402 protocol","Upstream checker unavailable — the proxied rapid-x-checker service is down or unreachable","Invalid path or query parameters — malformed request forwarded to upstream returns error","Rate limiting — upstream X checker imposes its own rate limits independent of payment","X handle not found — queried account or post does not exist on the platform"],"whenToPreferThis":"Choose this endpoint when you need pay-per-query access to X (Twitter) account or post checking functionality without a subscription, especially in web3/DeFi agent contexts that already support the x402 micropayment protocol. Prefer it over direct Twitter API calls when you lack Twitter API credentials but have USDC available on-chain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:46:50.381Z","isFirstParty":false,"canonicalSlug":"quantaflow-rapid-x-checker-x402-api-gateway-ef55c0ed"}