{"uid":"cap_RytXtPdoKxDXUBjaJiKK6","slug":"meterly-ai-x-checker-api-ff984371","name":"Meterly.Ai X-Checker API","description":"Pay-per-call API infrastructure for AI agents, bots, and developers. Access 95+ premium APIs with USDC payments on Base Mainnet via x402 protocol.","url":"https://meterly-ai.vercel.app/api/v1/x-checker","method":"POST","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":["query"],"properties":{"url":{"type":"string","description":"URL to process"},"limit":{"type":"number","description":"Maximum results to return"},"query":{"type":"string","description":"Search query or input data"},"username":{"type":"string","description":"Username or profile identifier"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.08","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":"$0.08/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Fs4HuBRG3y60C42IB7k4w","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.08","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks or validates a query, URL, or username via Meterly's pay-per-call x402 infrastructure","exampleAgentPrompt":"Can you run an x-checker on the username 'johndoe42' and search query 'AI agent tools' using Meterly's API, and return up to 10 results?","exampleUseCases":[{"title":"Verify user handles across platforms","prompt":"Check if the username 'alexandersmith' exists and is available on the main networks, then give me a summary of what you find"},{"title":"Validate URLs before sharing internally","prompt":"I need you to quickly validate these three URLs and let me know if they're active and safe to share with our team"},{"title":"Authenticate search terms for compliance","prompt":"Can you verify that 'machine learning enterprise solutions' matches our approved product keyword list and isn't flagged by any filters?"}],"resultDescription":"Returns a JSON object with check/validation results for the provided query, URL, or username. The response schema is open-ended and may include matched records, status flags, or relevant metadata depending on what was queried.","failureModes":["Missing required 'query' field returns a 400 validation error","Invalid URL format may cause processing failure","Payment not settled in USDC on Base Mainnet results in 402 Payment Required","Exceeding rate limits returns a 429 error","Malformed JSON body returns a 400 error"],"whenToPreferThis":"Use this endpoint when you need to check, validate, or look up a query string, URL, or username via Meterly's pay-per-call x402 infrastructure with USDC micro-payments on Base Mainnet. Prefer this over general-purpose search endpoints when operating in an autonomous agent context that supports x402 payment protocols.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:55:43.398Z","isFirstParty":false}