# Arch Tools, free: IP company lookup API

> Geo, ISP, org, timezone, VPN/proxy/hosting detection for any IPv4 or IPv6 address. Used for fraud prevention.

Arch Tools' Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. We check each provider's docs for 10 fields. Arch Tools' docs list 6: Owner's name, ASN, Country, Region and city, VPN and proxy, Hosting.
We haven't run Arch Tools through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
This plan is free. We rank 611 plans for IP company lookup APIs by price. Half the plans cost $0.185 or less per 1,000 IP addresses. [199 IP company lookup API plans on our price sheet are free.](https://datacircle.dev/best-ip-company-lookup-api.txt) [IPKit's free plan](https://datacircle.dev/ip-company-lookup-apis/ipkit/free/llms.txt) scores highest of the free plans in our benchmark, at 94.1 out of 100.
[IPScanner's $5 pack](https://datacircle.dev/ip-company-lookup-apis/ipscanner/5-pack-pay-as-you-go-5-get-asn-ip/llms.txt) is the cheapest paid plan per 1,000 IP addresses. IPScanner's IP company lookup API costs nothing beyond the plan price. [ipapi.is' top-up plan](https://datacircle.dev/ip-company-lookup-apis/ipapi-is/top-up-from-1-one-time-credits-post/llms.txt) costs the least for 10,000 IP addresses a month: $1.00.
[IPKit](https://datacircle.dev/ip-company-lookup-apis/ipkit/free/llms.txt), [thenetworkery](https://datacircle.dev/ip-company-lookup-apis/thenetworkery/free/llms.txt) and [DC5 WHOIS](https://datacircle.dev/ip-company-lookup-apis/dc5-whois/free-public-instance-get-api-v1-lookup/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/ip-company-lookup-apis/arch-tools/free
- [IP company lookup API in 2026: the best of 70+ compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `POST https://archtools.dev/v1/tools/ip-lookup`
- API key: with the plan, on https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing#ip-lookup
- Sold by: Arch Tools (https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 60%
- Owner's name: ✓
- ASN: ✓
- Country: ✓
- Region and city: ✓
- VPN and proxy: ✓
- Hosting: ✓

## Price

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

## Charges

- Also pays for: from the same budget: 62 other Arch Tools calls

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Geo, ISP, org, timezone, VPN/proxy/hosting detection for any IPv4 or IPv6 address. Used for fraud prevention.

## Data

- Keep data: no limit
- Use data: Your use of the Service is governed by our full Acceptable Use Policy, which is incorporated into these Terms. In summary, you agree not to: Use the Service for any unlawful purpose, or violate any third-party rights or applicable laws [...] Reverse engineer, scrape, copy, resell, or sublicense the Service, or resell, transfer, or redistribute your API key or credits [...] Attempt to exceed rate limits, bypass authentication or billing, or abuse the platform [...] Use the Service to generate spam, malware, phishing, or harmful content

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 50 calls

## Rate limit

- Per day: 500
- Per second: 0.17 (600 an hour)
- Concurrent: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: ip
- Method: POST
- Path: /v1/tools/ip-lookup

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over with a valid email address

## The 10 fields the plan's answer can hold

IP address, country code, city name, ISP, organization, ASN, time zone, is VPN, is proxy, is hosting

## Arch Tools' plans (9)

- [Arch Tools, free](https://datacircle.dev/ip-company-lookup-apis/arch-tools/free/llms.txt): $0.00 per 1,000, 60% complete
- [Arch Tools, $9 pack](https://datacircle.dev/ip-company-lookup-apis/arch-tools/9-pack/llms.txt): $6.00 per 1,000, 60% complete
- [Arch Tools, $49 pack](https://datacircle.dev/ip-company-lookup-apis/arch-tools/49-pack/llms.txt): $3.92 per 1,000, 60% complete
- [Arch Tools, $199 pack](https://datacircle.dev/ip-company-lookup-apis/arch-tools/199-pack/llms.txt): $3.184 per 1,000, 60% complete
- [Arch Tools, $19 monthly](https://datacircle.dev/ip-company-lookup-apis/arch-tools/19-monthly/llms.txt): $3.80 per 1,000, 60% complete
- [Arch Tools, $49 monthly](https://datacircle.dev/ip-company-lookup-apis/arch-tools/49-monthly/llms.txt): $3.267 per 1,000, 60% complete
- [Arch Tools, $99 monthly](https://datacircle.dev/ip-company-lookup-apis/arch-tools/99-monthly/llms.txt): $2.64 per 1,000, 60% complete
- [Arch Tools, $199 monthly](https://datacircle.dev/ip-company-lookup-apis/arch-tools/199-monthly/llms.txt): $2.274 per 1,000, 60% complete
- [Arch Tools, contact us](https://datacircle.dev/ip-company-lookup-apis/arch-tools/contact-us/llms.txt): 60% complete

## Arch Tools' calls for this API (1)

- `POST /v1/tools/ip-lookup`: [Arch Tools, free](https://datacircle.dev/ip-company-lookup-apis/arch-tools/free/llms.txt)

## Arch Tools' APIs (9)

- [Arch Tools Email verification API pricing, 9 plans](https://datacircle.dev/validate-email-apis/arch-tools/free/llms.txt)
- [Arch Tools Email finder API pricing, 9 plans](https://datacircle.dev/find-email-apis/arch-tools/free/llms.txt)
- [Arch Tools IP company lookup API pricing, 9 plans](https://datacircle.dev/ip-company-lookup-apis/arch-tools/free/llms.txt)
- [Arch Tools News API pricing, 9 plans](https://datacircle.dev/news-apis/arch-tools/free/llms.txt)
- [Arch Tools Phone validation API pricing, 9 plans](https://datacircle.dev/validate-phone-apis/arch-tools/free/llms.txt)
- [Arch Tools Web search API pricing, 9 plans, POST /v1/tools/web-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-web-search/llms.txt)
- [Arch Tools Web search API pricing, 9 plans, POST /v1/tools/semantic-search](https://datacircle.dev/web-search-apis/arch-tools/free-post-v1-tools-semantic-search/llms.txt)
- [Arch Tools SERP API pricing, 9 plans](https://datacircle.dev/serp-apis/arch-tools/free/llms.txt)
- [Arch Tools Domain WHOIS API pricing, 9 plans, POST /v1/tools/domain-check](https://datacircle.dev/domain-whois-apis/arch-tools/free-post-v1-tools-domain-check/llms.txt)
- [Arch Tools Domain WHOIS API pricing, 9 plans, POST /v1/tools/whois-lookup](https://datacircle.dev/domain-whois-apis/arch-tools/free-post-v1-tools-whois-lookup/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/extract-metadata](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-metadata/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/extract-page](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-page/llms.txt)
- [Arch Tools Web scraping API pricing, 9 plans, POST /v1/tools/web-scrape](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-web-scrape/llms.txt)

## Arch Tools: IP company lookup API alternatives

[Arch Tools alternatives: other IP company lookup API providers by price](https://datacircle.dev/arch-tools-alternatives.txt)

We list Arch Tools' cheapest paid plan first. Next we list other providers' plans closest to Arch Tools in price per 1,000 IP addresses.

- [Arch Tools, $199 monthly](https://datacircle.dev/ip-company-lookup-apis/arch-tools/199-monthly/llms.txt): $2.274 per 1,000, 60% complete
- [Opportify, $1,350 yearly](https://datacircle.dev/ip-company-lookup-apis/opportify/1350-yearly/llms.txt): $2.25 per 1,000, 60% complete
- [TrustLookup, $79 monthly](https://datacircle.dev/ip-company-lookup-apis/trustlookup/79-monthly/llms.txt): $2.257 per 1,000, 20% complete, 24 hours
- [ipify, $23 pack, One-time purchase: 10,000 Credits, GET /api/v2/country](https://datacircle.dev/ip-company-lookup-apis/ipify/23-pack-one-time-purchase-10000-credits-get-api-v2-country/llms.txt): $2.30 per 1,000, 60% complete, 1 day
- [WhoisFreaks, $1,100 pack, 450,000 API Credits, POST /v1.0/geolocation](https://datacircle.dev/ip-company-lookup-apis/whoisfreaks/1100-pack-450000-api-credits-post-v1-0-geolocation/llms.txt): $2.444 per 1,000, 60% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://archtools.dev/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://archtools.dev/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://archtools.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing