# How.is, free: IP company lookup API

> Network owner (ASN), company, geolocation, privacy flags and abuse contact for an IP address.

How.is's Free calls plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. How.is's docs list 4 of the 10 fields on our checklist: ASN, Country, Region and city, VPN and proxy.
We haven't run How.is 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/how-is/free
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://how.is?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `POST https://how.is/v1/ip`
- API key: not needed
- Its API docs: https://how.is/docs.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing#ip_lookup
- Sold by: How.is (https://how.is?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 40%
- ASN: ✓
- Country: ✓
- Region and city: ✓
- VPN and proxy: ✓

## Price

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

## Charges

- Also pays for: from the same budget: URL pre-flight · Read a page (with verdict) · Company card · DNS records · WHOIS / RDAP · Domain age · Domain availability · Domain change history · TLS certificate · DNSSEC · Email authentication · Security score · Blacklist status · Site status · Page-change watch · Crawler identity check · Crawler identity check (batch)

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Network owner (ASN), company, geolocation, privacy flags and abuse contact for an IP address.

## Data

- Freshness: live
- Keep data: no limit
- Use data: Do not use the service to break the law, attack the hosts you look up, or resell it as a bulk mirror.

## Plan

- Pay: $0
- You get: 20 requests a day
- Enough for: 20 calls a day
- Expires: 00:00 UTC each day

## Rate limit

- Per day: 20
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ip
- Method: POST
- Path: /v1/ip

## About the plan

- Plan: Free calls
- Who can get it: anyone

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

IP address, hostname, city, region, country, ASN, company, privacy flags, carrier, abuse contact

## How.is's plans (4)

- [How.is, free](https://datacircle.dev/ip-company-lookup-apis/how-is/free/llms.txt): $0.00 per 1,000, 40% complete, live
- [How.is, pay as you go](https://datacircle.dev/ip-company-lookup-apis/how-is/pay-as-you-go/llms.txt): $5.00 per 1,000, 40% complete, live
- [How.is, top-up from $5](https://datacircle.dev/ip-company-lookup-apis/how-is/top-up-from-5/llms.txt): $5.00 per 1,000, 40% complete, live
- [How.is, $5 monthly](https://datacircle.dev/ip-company-lookup-apis/how-is/5-monthly/llms.txt): $5.00 per 1,000, 40% complete, live

## How.is's calls for this API (1)

- `POST /v1/ip`: [How.is, free](https://datacircle.dev/ip-company-lookup-apis/how-is/free/llms.txt)

## How.is's APIs (4)

- [How.is: company enrichment API pricing, 4 plans](https://datacircle.dev/company-enrichment-apis/how-is/free/llms.txt)
- [How.is: domain WHOIS API pricing, 4 plans](https://datacircle.dev/domain-whois-apis/how-is/free/llms.txt)
- [How.is: IP company lookup API pricing, 4 plans](https://datacircle.dev/ip-company-lookup-apis/how-is/free/llms.txt)
- [How.is: web scraping API pricing, 4 plans](https://datacircle.dev/web-scraping-apis/how-is/free/llms.txt)

## How.is: IP company lookup API alternatives

- [WhoisFreaks, $60 pack, 15,000 API Credits, GET /v1.0/ip-whois](https://datacircle.dev/ip-company-lookup-apis/whoisfreaks/60-pack-15000-api-credits-get-v1-0-ip-whois/llms.txt): $4.00 per 1,000, 20% complete, live

## 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://how.is?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://how.is/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://how.is/docs.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://how.is/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://how.is/prices?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://how.is/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing