# VPNDetection, free key, POST /batch: IP company lookup API

> asn: the announcing network's number, name, domain, type and prefix

VPNDetection's Free key plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. VPNDetection's docs list 6 of the 10 fields on our checklist: Owner's name, Owner's domain, ASN, Network range, Country, VPN and proxy.
We haven't run VPNDetection through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
This plan is free. We rank 398 plans for IP company lookup APIs by price. Half the plans cost $0.112 per 1,000 IP addresses or less. [See the best free IP company lookup API plan.](https://datacircle.dev/best-ip-company-lookup-api.txt)
[IPHunter's €99.99 monthly plan](https://datacircle.dev/ip-company-lookup-apis/iphunter/99-99-monthly/llms.txt) is the cheapest paid plan per 1,000 IP addresses. IPHunter's €99.99 monthly plan covers up to 11,520,000 IP addresses a day.
[FreeIPAPI's €9.90 monthly plan (/api/bulk/json)](https://datacircle.dev/ip-company-lookup-apis/freeipapi/9-90-monthly-unlimited-post-api-bulk-json/llms.txt) covers any number of IP addresses. FreeIPAPI's €9.90 monthly plan costs less up front than IPHunter's €99.99 monthly plan.
[DNSlytics](https://datacircle.dev/ip-company-lookup-apis/dnslytics/free/llms.txt), [ipwhois.io](https://datacircle.dev/ip-company-lookup-apis/ipwhois-io/free/llms.txt) and [IPBot](https://datacircle.dev/ip-company-lookup-apis/ipbot/free-anonymous-get-v1-ip-ip/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/ip-company-lookup-apis/vpndetection/free-key-post-batch
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://vpndetection.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `POST https://api.vpndetection.io/batch`
- API key: with the plan, on https://vpndetection.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://docs.vpndetection.io/api/lookup/lookupBatch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: VPNDetection (https://vpndetection.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 60%
- Owner's name: ✓
- Owner's domain: ✓
- ASN: ✓
- Network range: ✓
- Country: ✓
- VPN and proxy: ✓

## Price

- $ per 1,000 IP addresses: $0.00
- Per: result
- Billing: free

## Charges

- Also pays for: from the same budget: Lookup · My IP

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: asn: the announcing network's number, name, domain, type and prefix

## Data

- Freshness: 1 day
- Keep data: no limit
- Use data: [...] we grant you a limited, non-exclusive, non-transferable license to use the Service and its output for your own business purposes, or for what a license agreement with us permits. No other rights are granted [...] You must not: Resell, redistribute or sublicense our data, or build a competing classification dataset from it, without our written permission. Systematically extract our data beyond the limits of your plan or license, or circumvent rate limits, quotas or authentication. Use the Service to harass, profile or discriminate against individuals, or in any way that breaches data protection or anti-discrimination law. Interfere with the Service or the infrastructure it runs on, including probing, scanning, or attempting to breach security or authentication measures. Use the Service for any unlawful purpose, or in breach of any applicable regulation. Share API keys with third parties or use another party's credentials. Misrepresent your identity or your affiliation, or impersonate another user or our staff. [...] you should not use our output as the sole basis for denying a person access to a service, and you must not represent our classifications to third parties as established fact.

## Plan

- Pay: $0
- You get: 50,000 requests a month
- Enough for: 50,000 results a month
- Expires: at the end of each month

## Rate limit

- Batch: 1,000

## Speed

- Answer: in the call

## The call

- You send: ips
- Method: POST
- Path: /batch

## About the plan

- Plan: Free key
- Who can get it: anyone aged 18 or over with an account (no card needed)

## The 25 fields the plan's answer can hold

IP address, VPN, Tor, relay, Tor provider, Tor confidence, Tor last seen, relay provider, relay confidence, relay last seen, continent code, continent name, country code, country name, timezone, currency code, currency name, currency symbol, flag emoji, flag Unicode, ASN, ASN name, ASN domain, ASN type, BGP prefix

## VPNDetection's plans (8)

- [VPNDetection, free key, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/free-key-post-batch/llms.txt): $0.00 per 1,000, 60% complete, 1 day
- [VPNDetection, $19 monthly, Starter, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/19-monthly-starter-post-batch/llms.txt): $0.076 per 1,000, 70% complete, 1 day
- [VPNDetection, $99 monthly, Scale, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/99-monthly-scale-post-batch/llms.txt): $0.05 per 1,000, 70% complete, 1 day
- [VPNDetection, $199 monthly, Max, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/199-monthly-max-post-batch/llms.txt): $0.04 per 1,000, 70% complete, 1 day
- [VPNDetection, $190 yearly, Starter, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/190-yearly-starter-post-batch/llms.txt): $0.063 per 1,000, 70% complete, 1 day
- [VPNDetection, $990 yearly, Scale, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/990-yearly-scale-post-batch/llms.txt): $0.041 per 1,000, 70% complete, 1 day
- [VPNDetection, $1,990 yearly, Max, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/1990-yearly-max-post-batch/llms.txt): $0.033 per 1,000, 70% complete, 1 day
- [VPNDetection, contact us, Enterprise, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/contact-us-enterprise-post-batch/llms.txt): 70% complete, 1 day

## VPNDetection's calls (2)

- `POST /batch`: [VPNDetection, free key, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/free-key-post-batch/llms.txt)
- `GET /{ip}`: [VPNDetection, free key, GET /{ip}](https://datacircle.dev/ip-company-lookup-apis/vpndetection/free-key-get-ip/llms.txt)

## VPNDetection's APIs (1)

- [VPNDetection: IP company lookup API pricing, 8 plans, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/free-key-post-batch/llms.txt)

## VPNDetection: IP company lookup API alternatives

- [ProxyRadar, $7.99 monthly](https://datacircle.dev/ip-company-lookup-apis/proxyradar/7-99-monthly/llms.txt): $0.027 per 1,000, 20% complete, 1 day
- [Aiwen IP, CNY 3,980 yearly](https://datacircle.dev/ip-company-lookup-apis/aiwen-ip/cny-3980-yearly/llms.txt): $0.033 per 1,000, 40% complete, 1 day
- [ipbase, $199 monthly, Business, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/199-monthly-business-post-v2-batch/llms.txt): $0.033 per 1,000, 80% complete, 1 day
- [ipify, $3,990 yearly, Yearly subscription: 10,000,000 Credits per month, GET /api/v2/country](https://datacircle.dev/ip-company-lookup-apis/ipify/3990-yearly-yearly-subscription-10000000-credits-per-month-get-api-v2-country/llms.txt): $0.033 per 1,000, 40% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://docs.vpndetection.io/api/auth?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.vpndetection.io/api/lookup/lookupBatch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.vpndetection.io/api/lookup/lookupIp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.vpndetection.io/api/lookup/lookupMyIp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.vpndetection.io/api/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpndetection.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpndetection.io/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpndetection.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpndetection.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing