# IPIPAI, free, GET /api/detect/{ip}: IP company lookup API

> Full geolocation, ASN, ISP, proxy/VPN/datacenter flags, risk score for any IPv4/IPv6.

IPIPAI's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. IPIPAI's docs list 7 of the 10 fields on our checklist: Owner's name, ASN, Network range, Country, Region and city, VPN and proxy, Hosting.
You get up to 2,592,000 calls a month.
We haven't run IPIPAI through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
Half of the 398 plans we rank by price cost $0.112 per 1,000 IP addresses or less. This plan and 30 others tie for the lowest price per 1,000 IP addresses of the 398 plans. [See the best free IP company lookup API plan.](https://datacircle.dev/best-ip-company-lookup-api.txt)
[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/ipipai/free-get-api-detect-ip
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://ipipai.com/mcp-docs.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://ipipai.com/api/detect/{ip}`
- API key: not needed
- Its API docs: https://ipipai.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: IPIPAI (https://ipipai.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 70%
- Owner's name: ✓
- ASN: ✓
- Network range: ✓
- Country: ✓
- Region and city: ✓
- VPN and proxy: ✓
- Hosting: ✓

## Price

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

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Full geolocation, ASN, ISP, proxy/VPN/datacenter flags, risk score for any IPv4/IPv6.

## Data

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

## Plan

- Pay: $0
- Enough for: 2,592,000 calls a month

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ip. Optional: lang
- Method: GET
- Path: /api/detect/{ip}

## About the plan

- Plan: Free
- Who can get it: anyone, with no registration

## The 44 fields the plan's answer can hold

success, IP address, country code, country, region, city, latitude, longitude, timezone, ISP, organization, AS number and name, ASN, IP type code, ISP class, proxy flag, hosting flag, mobile flag, Tor flag, CDN flag, cloud flag, business flag, VPN confidence, mobile carrier name, MCC, MNC, category, usage type, risk score, risk level, risk color, risk factors, location uncertainty radius, location uncertainty tier, data source, engine version, schema version, verdict, verdict color, verdict icon, suggestion, related ranges, ASN summary, follow-up queries

## IPIPAI's plans (2)

- [IPIPAI, free, GET /api/detect/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipipai/free-get-api-detect-ip/llms.txt): $0.00 per 1,000, 70% complete
- [IPIPAI, contact us, API key, GET /api/v1/detect/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipipai/contact-us-api-key-get-api-v1-detect-ip/llms.txt): 70% complete

## IPIPAI's calls for this API (3)

- `GET /api/detect/{ip}`: [IPIPAI, free, GET /api/detect/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipipai/free-get-api-detect-ip/llms.txt)
- `POST /api/v2/analyze`: [IPIPAI, free, POST /api/v2/analyze](https://datacircle.dev/ip-company-lookup-apis/ipipai/free-post-api-v2-analyze/llms.txt)
- `GET /api/v1/detect/{ip}`: [IPIPAI, contact us, API key, GET /api/v1/detect/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipipai/contact-us-api-key-get-api-v1-detect-ip/llms.txt)

## IPIPAI's APIs (2)

- [IPIPAI: domain WHOIS API pricing, 2 plans](https://datacircle.dev/domain-whois-apis/ipipai/free/llms.txt)
- [IPIPAI: IP company lookup API pricing, 2 plans, GET /api/detect/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipipai/free-get-api-detect-ip/llms.txt)

## IPIPAI: 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

## 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://ipipai.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipipai.com/about.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipipai.com/agents.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipipai.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipipai.com/mcp-docs.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipipai.com/mcp-tools.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipipai.com/privacy.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipipai.com/tech-doc.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing