{"uid":"cap_mCqWl70CkY5QW_QHR5Jhb","slug":"delx-commerce-ipv4-private-address-validator-cd26b09b","name":"Delx Commerce — IPv4 Private Address Validator","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/ipv4-private?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"ip":{"type":"string","description":"Input field: ip."}}},"responseSchema":{"type":"json","example":{"ip":"10.0.0.1","valid":true,"schema":"delx/util-ipv4-private/v1","private":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yx7LEdThegMoOUK1BV1qo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","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 IPv4 address falls within a private (RFC 1918) address range","exampleAgentPrompt":"Can you check if 10.0.0.1 is a private IP address — I need to know if it's a local network address or something publicly routable.","exampleUseCases":[{"title":"Filter private IPs from logs","prompt":"I have the IP address 172.16.5.42 from my server logs — can you tell me if it's a private network address or a real public IP?"},{"title":"Security check before outbound request","prompt":"Before I make an external API call to 192.168.100.50, can you confirm whether that IP is private or public so I don't accidentally expose internal services?"},{"title":"Validate user-submitted IP in web app","prompt":"A user submitted the IP 203.0.113.5 in a form — check if it's a private address or a legitimate public one I should accept."}],"resultDescription":"Returns a JSON object with the input IP address, a boolean 'valid' field indicating whether it's a well-formed IPv4 address, a boolean 'private' field indicating whether it falls within an RFC 1918 private range, and a schema identifier string.","failureModes":["Malformed or non-IPv4 input string may return valid=false","IPv6 addresses are not handled by this endpoint","Empty or missing 'ip' field may result in an error response","Payment failure via x402 protocol blocks the request"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call check of whether an IPv4 address is private (RFC 1918) with no signup or API key required — ideal for agent workflows that encounter arbitrary IP addresses and need to classify them quickly and cheaply at $0.001 per call via USDC on Base or Solana.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:38.930Z","isFirstParty":false,"canonicalSlug":"delx-commerce-ipv4-private-address-validator-cd26b09b"}