{"uid":"cap_LGneuLq8qY3o0AwIk-I3P","slug":"agentshelf-url-absoluteness-validator-17f0647f","name":"AgentShelf URL Absoluteness Validator","description":"Call when an agent needs whether a string is any absolute URL. No fetch. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-url-any first.","url":"https://agentshelf.syntexa.ch/v1/check-url-any?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["ftp://example.com/a"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3zJ5RplT78apbt4EQb3Bf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given string is any absolute URL (any scheme), returning a boolean result without making any network request","exampleAgentPrompt":"Can you check whether the string 'ftp://files.example.com/report.pdf' is a valid absolute URL — without actually fetching it?","exampleUseCases":[{"title":"Sanitizing user-submitted links","prompt":"A user just submitted 'not-a-url' as their website field in our form — can you check if it's actually a valid absolute URL before we save it?"},{"title":"Pipeline input guard for URL processor","prompt":"Before I send this value 'https://dashboard.example.com/data' through the scraper, can you confirm it's an absolute URL so we don't waste a paid fetch call?"},{"title":"Classifying mixed string inputs","prompt":"I have a batch of strings and I need to know if 'mailto:user@example.com' counts as an absolute URL — can you validate that for me?"}],"resultDescription":"A boolean indicating whether the provided string is an absolute URL (any scheme, e.g. http, https, ftp, mailto). No network request is made; purely a structural/format check on the string itself.","failureModes":["Empty string input rejected (minLength:1 constraint)","String exceeding 20,000 characters rejected (maxLength constraint)","Malformed request body returns validation error","Payment not authorized returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a deterministic, schema-level check of whether a string is an absolute URL (any scheme) without making a network request. Prefer this over LLM-based guessing for accuracy and consistency. Use the free sandbox endpoint POST /v1/sandbox/check-url-any first when testing or when cost matters; use this paid endpoint in production pipelines where reliability and a clear audit trail are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:09.240Z","isFirstParty":false,"canonicalSlug":"agentshelf-url-absoluteness-validator-17f0647f"}