# IPDetective, free, POST /ip: IP company lookup API

> IPDetective is an API that focuses on bot and non-human IP detection to quickly identify if an IP address comes from a datacenter, VPN or proxy.

IPDetective's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. IPDetective's docs list 3 of the 10 fields on our checklist: Owner's name, ASN, Country.
In [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt), the best plan from IPDetective scores 48.8 out of 100. IPDetective ranks 14th of 15 providers.
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/ipdetective/free-post-ip
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://ipdetective.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `POST https://api.ipdetective.io/ip`
- API key: with the plan, on https://ipdetective.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://ipdetective.io/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: IPDetective (https://ipdetective.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 30%
- Owner's name: ✓
- ASN: ✓
- Country: ✓

## Price

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

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: IPDetective is an API that focuses on bot and non-human IP detection to quickly identify if an IP address comes from a datacenter, VPN or proxy.

## Data

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

## Plan

- Pay: $0
- You get: 1,000 requests a day

## Rate limit

- Per day: 1,000
- Batch: 1,000

## Speed

- Answer: in the call

## The call

- You send: request body, info "true"
- Method: POST
- Path: /ip

## About the plan

- Plan: Free
- Who can get it: anyone

## The 7 fields the plan's answer can hold

IP address, bot, IP type, ASN, ASN description, country code, country name

## IPDetective's plans (4)

- [IPDetective, free, POST /ip](https://datacircle.dev/ip-company-lookup-apis/ipdetective/free-post-ip/llms.txt): $0.00 per 1,000, 30% complete
- [IPDetective, $25 monthly, Basic, POST /ip](https://datacircle.dev/ip-company-lookup-apis/ipdetective/25-monthly-basic-post-ip/llms.txt): 30% complete
- [IPDetective, $50 monthly, Premium, POST /ip](https://datacircle.dev/ip-company-lookup-apis/ipdetective/50-monthly-premium-post-ip/llms.txt): 30% complete
- [IPDetective, $100 monthly, Enterprise, POST /ip](https://datacircle.dev/ip-company-lookup-apis/ipdetective/100-monthly-enterprise-post-ip/llms.txt): 30% complete

## IPDetective's calls (2)

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

## IPDetective's APIs (1)

- [IPDetective: IP company lookup API pricing, 4 plans, POST /ip](https://datacircle.dev/ip-company-lookup-apis/ipdetective/free-post-ip/llms.txt)

## IPDetective: 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 2026-11-04.

- https://ipdetective.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipdetective.io/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipdetective.io/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipdetective.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipdetective.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing