{"uid":"cap_-OT_mYksUont0ijuv89pE","slug":"delx-ipv4-private-detector-818289e7","name":"Delx IPv4 Private Detector","description":"Detect private/loopback IPv4. Call when you block private egress targets in agent allowlists. Returns valid and private flags for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.","url":"https://api.delx.ai/api/v1/x402/ipv4-private","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_MaekKjN-TfbqXwOOCMNyh","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":"Detects whether an IPv4 address is private or loopback, returning validity and private-range flags.","exampleAgentPrompt":"Before making that outbound call, check whether 192.168.1.55 is a private or loopback IPv4 address so I can block it if needed.","exampleUseCases":[{"title":"SSRF prevention in agent pipelines","prompt":"I have an agent that makes HTTP requests to user-supplied URLs — before each request, check whether the resolved IP 10.0.0.1 is a private IPv4 address so I can block it and prevent server-side request forgery."},{"title":"Egress allowlist enforcement","prompt":"My workflow needs to call an external API at 172.16.4.200 — can you verify whether that IP falls in a private range before I let the agent proceed?"},{"title":"User-submitted IP validation","prompt":"A user submitted the IP 127.0.0.1 as a webhook destination — check if it's a loopback or private address so I can reject it and warn them it's not a valid public target."}],"resultDescription":"Returns a JSON object with a 'valid' boolean indicating whether the input is a well-formed IPv4 address, and a 'private' boolean indicating whether it falls within private or loopback ranges (RFC 1918, 127.x, etc.). No external network calls are made; classification is done locally.","failureModes":["Malformed or non-IPv4 input may return valid:false with no private classification","IPv6 addresses are not supported and will likely return invalid","Empty or missing 'ip' field may cause a 400-level error","Payment failure (x402) prevents the call from completing"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap, stateless check for private/loopback IPv4 ranges — especially in security-sensitive agent pipelines guarding against SSRF or enforcing egress allowlists. Prefer it over full IP geolocation or threat-intel APIs when you only need the private/public classification without external lookups or retained data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:55.041Z","isFirstParty":false}