{"uid":"cap_drpwd3VuAIIbEzEtvCVwQ","slug":"compliapi-vpn-proxy-detection-d32358a2","name":"CompliAPI VPN/Proxy Detection","description":"Detect whether an IP address is using a VPN, proxy or other anonymization service. Call before trusting an IP's geolocation for compliance rules, fraud checks or access gating. Returns vpn true/false, or \"unknown\" when no privacy data exists for the IP.","url":"https://api.compliapi.com/api/v1/vpn/:ip_address?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["ip_address"],"properties":{"ip_address":{"type":"string","description":"IPv4 or IPv6 address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_1kte_oG-7oVus1qK8NQhT","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":"Detects whether a given IP address is using a VPN, proxy, or other anonymization service, returning a true/false/unknown result.","exampleAgentPrompt":"Before I process this transaction from IP 104.28.32.1, can you check if that IP is using a VPN or proxy?","exampleUseCases":[{"title":"Fraud check during checkout","prompt":"The order just came in from IP 185.220.101.45 — can you check if that IP is running through a VPN or proxy before I approve the payment?"},{"title":"Geolocation trust before access gating","prompt":"We block users from certain countries due to licensing restrictions — can you check if 198.54.117.200 is using a VPN so I know whether to trust its reported location?"},{"title":"Onboarding compliance verification","prompt":"A new user just signed up and their IP is 91.108.4.1 — can you tell me if that IP is anonymized or behind a proxy before I run the rest of the compliance checks?"}],"resultDescription":"Returns a JSON object indicating whether the IP address is using a VPN, proxy, or other anonymization service. The `vpn` field is `true` if anonymization is detected, `false` if it is not, or `\"unknown\"` if no privacy data exists for that IP.","failureModes":["IP address not found or no privacy data available — returns unknown rather than true/false","Invalid IP address format — likely returns an error or bad-request response","Rate limiting or quota exhaustion — HTTP 429 or payment required","Newly allocated or private IP ranges may consistently return unknown"],"whenToPreferThis":"Use this endpoint when you need a fast, per-IP check on whether a connecting client is hiding their real location behind a VPN, proxy, or anonymization service — particularly before applying geolocation-dependent compliance rules, fraud scoring, or access gating. It is purpose-built for compliance workflows alongside sibling endpoints for sanctions screening, geolocation, and wallet screening on the same platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:45:06.407Z","isFirstParty":false,"canonicalSlug":"compliapi-vpn-proxy-detection-d32358a2"}