{"uid":"cap_xb5h9KccAQTcOx3VCDLb8","slug":"x402-outpimp-com-url-validator-ff66a2b0","name":"x402.outpimp.com URL Validator","description":"URL validation API. Checks whether a string is a syntactically valid URL, catching malformed schemes, hosts, and encoding edge cases a naive check misses. Returns true or false.","url":"https://x402.outpimp.com/isURL","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{"type":"string","description":"The string to validate as a URL."}}},"responseSchema":null,"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_yUQYzM9JmKNfUM1RX9JyN","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 string is a syntactically valid URL, catching malformed schemes, hosts, and encoding edge cases","exampleAgentPrompt":"Can you check whether 'http://exa mple.com/path?q=hello world' is a syntactically valid URL?","exampleUseCases":[{"title":"Validate user-submitted links","prompt":"A user just pasted 'https://my-site.com/page?ref=foo bar' into a form — can you check whether that's actually a valid URL before we save it?"},{"title":"Catch malformed URLs in a pipeline","prompt":"Before we try to fetch this URL someone scraped — 'htp:/example..com/resource' — can you verify it's syntactically well-formed first?"},{"title":"Sanity-check a generated URL","prompt":"I just assembled this URL programmatically: 'ftp://192.168.1.1:8080/files/report%2520.pdf' — can you confirm it's a valid URL and not accidentally malformed?"}],"resultDescription":"Returns true if the input string is a syntactically valid URL (valid scheme, host, and encoding), or false if it is malformed. Returns HTTP 400 if the 'value' field is missing from the request body.","failureModes":["HTTP 400 returned when 'value' parameter is omitted from the request","May return false for URLs that are semantically valid but use uncommon or non-standard schemes","Does not check if the URL is reachable or resolves to a live resource — only syntax is validated","Edge cases with internationalized domain names (IDN) may behave unexpectedly"],"whenToPreferThis":"Choose this endpoint when you need fast, reliable syntactic URL validation that correctly handles edge cases like malformed schemes, improper hosts, and percent-encoding issues — especially when a simple regex check in-context would risk false positives or consume LLM tokens. Ideal for pre-flight checks in pipelines before making HTTP requests or storing user-submitted URLs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:51:34.319Z","isFirstParty":false}