# VPN Signal, free: IP company lookup API

> Check if an IP address is associated with a VPN, Proxy, Tor, or hosting provider.

VPN Signal's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. VPN Signal's docs list 8 of the 10 fields on our checklist: Owner's name, Owner's domain, ASN, Network range, Country, Region and city, VPN and proxy, Hosting.
We haven't run VPN Signal 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/vpn-signal/free
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://vpnsignal.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `POST https://api.vpnsignal.io/v1/check`
- API key: with the plan, on https://vpnsignal.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://vpnsignal.io/docs/api-reference?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: VPN Signal (https://vpnsignal.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 80%
- Owner's name: ✓
- Owner's domain: ✓
- ASN: ✓
- Network range: ✓
- Country: ✓
- Region and city: ✓
- VPN and proxy: ✓
- Hosting: ✓

## Price

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

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Check if an IP address is associated with a VPN, Proxy, Tor, or hosting provider.

## Data

- Keep data: no limit
- Use data: You agree not to: Use our services for any unlawful purpose, Attempt to gain unauthorized access to our systems, Interfere with or disrupt our services, Resell or redistribute our services without authorization, Use our services to discriminate against individuals, Exceed your plan's rate limits without upgrading. [...] All content, features, and functionality of our services are owned by VPN Signal and are protected by intellectual property laws. You may not copy, modify, or distribute our content without permission.

## Plan

- Pay: $0
- You get: 100 requests a day
- Enough for: 100 calls a day

## Rate limit

- Per day: 100
- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ip, Content-Type header "application/json"
- Method: POST
- Path: /v1/check

## About the plan

- Plan: Free
- Who can get it: anyone

## The 20 fields the plan's answer can hold

IP address, VPN, proxy, Tor exit node, iCloud Private Relay, hosting, risk score, recommendation, company name, company type, company domain, country code, country, region, city, latitude, longitude, ASN number, ASN name, ASN route

## VPN Signal's plans (4)

- [VPN Signal, free](https://datacircle.dev/ip-company-lookup-apis/vpn-signal/free/llms.txt): $0.00 per 1,000, 80% complete
- [VPN Signal, $29 monthly](https://datacircle.dev/ip-company-lookup-apis/vpn-signal/29-monthly/llms.txt): $0.097 per 1,000, 80% complete
- [VPN Signal, $99 monthly](https://datacircle.dev/ip-company-lookup-apis/vpn-signal/99-monthly/llms.txt): $0.033 per 1,000, 80% complete
- [VPN Signal, $299 monthly](https://datacircle.dev/ip-company-lookup-apis/vpn-signal/299-monthly/llms.txt): no limit, 80% complete

## VPN Signal's calls (1)

- `POST /v1/check`: [VPN Signal, free](https://datacircle.dev/ip-company-lookup-apis/vpn-signal/free/llms.txt)

## VPN Signal's APIs (1)

- [VPN Signal: IP company lookup API pricing, 4 plans](https://datacircle.dev/ip-company-lookup-apis/vpn-signal/free/llms.txt)

## VPN Signal: IP company lookup API alternatives

- [ipdata, $600 yearly, Startup, GET /{ip}](https://datacircle.dev/ip-company-lookup-apis/ipdata/600-yearly-startup-get-ip/llms.txt): $0.033 per 1,000, 80% complete
- [Network Data Labs, $790 yearly, Scale, POST /v0/bulk](https://datacircle.dev/ip-company-lookup-apis/network-data-labs/790-yearly-scale-post-v0-bulk/llms.txt): $0.033 per 1,000, 70% complete
- [ipapi.co, $199 monthly](https://datacircle.dev/ip-company-lookup-apis/ipapi-co/199-monthly/llms.txt): $0.033 per 1,000, 50% complete
- [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

## 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://vpnsignal.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpnsignal.io/docs/api-reference?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpnsignal.io/docs/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpnsignal.io/docs/errors?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://vpnsignal.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing