# QubitOn, free: IP company lookup API

> IP address fraud risk assessment

QubitOn's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. QubitOn's docs list 5 of the 10 fields on our checklist: Owner's name, ASN, Country, Region and city, VPN and proxy.
We ran QubitOn in [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt). We didn't score any QubitOn plan.
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/qubiton/free
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://www.qubiton.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `POST https://www.qubiton.com/api/ipquality/validate`
- API key: with the plan, on https://www.qubiton.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://www.qubiton.com/docs.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: QubitOn (https://www.qubiton.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 50%
- Owner's name: ✓
- ASN: ✓
- Country: ✓
- Region and city: ✓
- VPN and proxy: ✓

## Price

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

## Overage

- $ per 1,000 IP addresses: $1,500.00

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: IP address fraud risk assessment

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

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

## Rate limit

- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.53 s

## The call

- You send: ipAddress, requestedByClient. Optional: sourceUniqueId, qubitOnUniqueId, requestedByApplication, requestedByApplicationUrl, requestedByIPAddress, userAgent
- Method: POST
- Path: /api/ipquality/validate

## About the plan

- Plan: Free
- Who can get it: anyone

## The 35 fields the plan's answer can hold

source unique ID, QubitOn unique ID, score, validation result code, source result code, validation pass, validation description, validation date, validation type, validation sub-type, additional info, IP address, user agent, proxy, VPN, active VPN, ISP, crawler, Tor, active TOR, recent abuse, organization, latitude, longitude, time zone, city, region, host, ASN, connection type, country name, country ISO2 code, country ISO3 code, continent, alternate country

## QubitOn's plans (2)

- [QubitOn, free](https://datacircle.dev/ip-company-lookup-apis/qubiton/free/llms.txt): $0.00 per 1,000, 50% complete
- [QubitOn, contact us](https://datacircle.dev/ip-company-lookup-apis/qubiton/contact-us/llms.txt): 50% complete

## QubitOn's calls for this API (1)

- `POST /api/ipquality/validate`: [QubitOn, free](https://datacircle.dev/ip-company-lookup-apis/qubiton/free/llms.txt)

## QubitOn's APIs (6)

- [QubitOn: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/qubiton/free/llms.txt)
- [QubitOn: IP company lookup API pricing, 2 plans](https://datacircle.dev/ip-company-lookup-apis/qubiton/free/llms.txt)
- [QubitOn: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/qubiton/free/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/babusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-babusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/businessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-businessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/cabusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-cabusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/canonprofit/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-canonprofit-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/cnbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-cnbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/cobusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-cobusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/czbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-czbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/debusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-debusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/hubusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-hubusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/ilbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-ilbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/jpbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-jpbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/nzbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-nzbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/nobusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-nobusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/plbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-plbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/sgbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-sgbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/sebusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-sebusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/chbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-chbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/ukbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-ukbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/usbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-usbusinessregistration-lookup/llms.txt)
- [QubitOn: business verification API pricing, 2 plans, POST /api/vnbusinessregistration/lookup](https://datacircle.dev/business-verification-apis/qubiton/free-post-api-vnbusinessregistration-lookup/llms.txt)
- [QubitOn: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/qubiton/contact-us/llms.txt)
- [QubitOn: company hierarchy API pricing, 1 plan, POST /api/corporatehierarchy/lookup](https://datacircle.dev/company-hierarchy-apis/qubiton/contact-us-enterprise-post-api-corporatehierarchy-lookup/llms.txt)
- [QubitOn: company hierarchy API pricing, 1 plan, POST /api/company/hierarchy/lookup](https://datacircle.dev/company-hierarchy-apis/qubiton/contact-us-enterprise-post-api-company-hierarchy-lookup/llms.txt)

## QubitOn: IP company lookup API alternatives

- [DNSlytics, free](https://datacircle.dev/ip-company-lookup-apis/dnslytics/free/llms.txt): $0.00 per 1,000, 30% complete
- [ipwhois.io, free](https://datacircle.dev/ip-company-lookup-apis/ipwhois-io/free/llms.txt): $0.00 per 1,000, 50% complete
- [IPBot, free, Anonymous, GET /v1/ip/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipbot/free-anonymous-get-v1-ip-ip/llms.txt): $0.00 per 1,000, 80% complete
- [IP-API.com, free, POST /batch](https://datacircle.dev/ip-company-lookup-apis/ip-api-com/free-post-batch/llms.txt): $0.00 per 1,000, 50% complete, 24 hours
- [Proofwire, free](https://datacircle.dev/ip-company-lookup-apis/proofwire/free/llms.txt): $0.00 per 1,000, 30% 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 2026-11-05.

- https://www.qubiton.com/api/portal/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://www.qubiton.com/capabilities.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://www.qubiton.com/docs.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://www.qubiton.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://www.qubiton.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://www.qubiton.com/pricing.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing