{"uid":"cap_88LYK9kiCzibOEVdlD3xX","slug":"ipv4-address-validator-4566add2","name":"IPv4 Address Validator","description":"Call when an agent needs whether a string is an IPv4 address. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-ip-ipv4 first.","url":"https://agentshelf.syntexa.ch/v1/check-ip-ipv4?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":["8.8.8.8"],"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":"0.007","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":"$0.007/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BQhLpc92kLClwCyLxqwj3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.007","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 valid IPv4 address and returns a boolean result","exampleAgentPrompt":"Can you check whether the string '203.0.113.42' is a valid IPv4 address?","exampleUseCases":[{"title":"Validate user-submitted IP field","prompt":"A user just filled in our network configuration form with '10.0.0.256' as their server IP — can you check if that's actually a valid IPv4 address before I save it?"},{"title":"Filter IP addresses by version","prompt":"I have the string '2001:db8::1' — is it an IPv4 address or something else?"},{"title":"Sanitize ingested log data","prompt":"Before I process this log entry, I need to know whether '172.16.254.1' is a valid IPv4 address — can you verify that for me?"}],"resultDescription":"Returns a boolean or structured result indicating whether the submitted string conforms to the IPv4 address format (four dot-separated octets each in the range 0–255)","failureModes":["Empty or missing value field returns an error","Value exceeds maxLength of 20000 (unlikely for an IP, but enforced)","Payment failure if USDC x402 payment not attached and sandbox not used","Ambiguous or null input schema field may cause unexpected behavior"],"whenToPreferThis":"Use this endpoint when you need a definitive, deterministic IPv4 check without relying on an LLM's pattern-matching, especially in automated pipelines where correctness matters. Prefer the free sandbox endpoint `/v1/sandbox/check-ip-ipv4` first to avoid the $0.007 USDC fee; fall back to this paid endpoint when the sandbox is unavailable or rate-limited.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:12:00.523Z","isFirstParty":false,"canonicalSlug":"ipv4-address-validator-4566add2"}