# isMalicious, free: IP company lookup API

> Get geographic location data including country, city, region, ISP, and coordinates.

isMalicious's 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. isMalicious's docs list 1: Owner's name.
We haven't run isMalicious through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
This plan is free. We rank 468 plans for IP company lookup APIs by price. Half the plans cost $0.167 or less per 1,000 IP addresses. [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. [ipapi.is's 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.
[Api.co.id's Rp99,000 (about $5) monthly plan](https://datacircle.dev/ip-company-lookup-apis/api-co-id/rp99000-monthly/llms.txt) covers any number of IP addresses. Api.co.id's Rp99,000 (about $5) monthly plan costs less up front than IPHunter's €99.99 monthly plan.
[IPKit](https://datacircle.dev/ip-company-lookup-apis/ipkit/free/llms.txt), [MxToolbox](https://datacircle.dev/ip-company-lookup-apis/mxtoolbox/free-get-api-v1-lookup-asn/llms.txt) and [Enterno](https://datacircle.dev/ip-company-lookup-apis/enterno/free-open-api-get-api-open-ip/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/ip-company-lookup-apis/ismalicious/free
- [IP company lookup API: the best of 40+ providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://ismalicious.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://api.ismalicious.com/check/location`
- API key: with the plan, on https://ismalicious.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://ismalicious.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing#check-location
- Sold by: isMalicious (https://ismalicious.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 10%
- Owner's name: ✓

## Price

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

## Charges

- Also pays for: Scan one email message · POST /gate/scan · GET /gate/url?u= · from the same budget: Full Threat Analysis · Check Reputation · Check WHOIS · Check Certificates · Check Vulnerabilities · Microsoft 365 tenant · Bulk entity check · Report stream (SSE) · CVE lookup, search and recent list · CVE by id (path form) · Recent CVEs (bare array) · Resolve an external identifier to its CVEs · CVEs exploited in the last N days · Indicators tagged with a CVE · Recent ransomware victims · Ransomware statistics · Ransomware group profile · Ransomware groups · Ransomware press · Sector risk · Sector risk history · Sector victims

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get geographic location data including country, city, region, ISP, and coordinates.

## Data

- Freshness: stored
- Keep data: no limit
- Use data: a limited, non-exclusive, non-transferable, non-sublicensable, revocable license during your Subscription or other authorized use to access and use the Services solely for your internal security, fraud prevention, risk management, and related lawful business purposes. You will not, and will not assist others to: (a) reverse engineer, decompile, or attempt to extract source code or models from the Services except where mandatory law allows, (b) probe, scan, or test the vulnerability of our systems without prior written consent, (c) use the Services to build or train a competing reputation or threat database for commercial redistribution, except to the extent Outputs are used only as integrated into your own security operations, (d) remove or obscure proprietary notices, or (e) resell, lease, or time-share access to the Services unless we expressly permit that in writing (for example, under an enterprise agreement). [...] you may not publicly republish our bulk data products or APIs as a substitute for your own customers' direct relationship with us where doing so would effectively redistribute our commercial offering, unless we expressly allow it in writing.

## Plan

- Pay: €0
- You get: 250 requests a month
- Enough for: 250 calls a month
- Expires: at the monthly reset, the 1st at 00:00 UTC

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: query
- Method: GET
- Path: /check/location

## About the plan

- Plan: Free
- Who can get it: anyone with an email address, at least thirteen years old and of the age of digital consent in their jurisdiction, no card

## The only field the plan's answer can hold

ISP

## isMalicious's plans (5)

- [isMalicious, free](https://datacircle.dev/ip-company-lookup-apis/ismalicious/free/llms.txt): $0.00 per 1,000, 10% complete, stored
- [isMalicious, €49 monthly](https://datacircle.dev/ip-company-lookup-apis/ismalicious/49-monthly/llms.txt): $27.57 per 1,000, 10% complete, stored
- [isMalicious, €99 monthly](https://datacircle.dev/ip-company-lookup-apis/ismalicious/99-monthly/llms.txt): $11.140 per 1,000, 10% complete, stored
- [isMalicious, €990 yearly](https://datacircle.dev/ip-company-lookup-apis/ismalicious/990-yearly/llms.txt): $9.284 per 1,000, 10% complete, stored
- [isMalicious, contact us](https://datacircle.dev/ip-company-lookup-apis/ismalicious/contact-us/llms.txt): 10% complete, stored

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

- `GET /check/location`: [isMalicious, free](https://datacircle.dev/ip-company-lookup-apis/ismalicious/free/llms.txt)

## isMalicious's APIs (2)

- [isMalicious: domain WHOIS API pricing, 5 plans](https://datacircle.dev/domain-whois-apis/ismalicious/free/llms.txt)
- [isMalicious: IP company lookup API pricing, 5 plans](https://datacircle.dev/ip-company-lookup-apis/ismalicious/free/llms.txt)

## isMalicious: IP company lookup API alternatives

- [ipstack, $12.99 monthly](https://datacircle.dev/ip-company-lookup-apis/ipstack/12-99-monthly/llms.txt): $0.26 per 1,000, 60% complete, stored
- [DomScan, $10 pack](https://datacircle.dev/ip-company-lookup-apis/domscan/10-pack/llms.txt): $1.00 per 1,000, 70% complete, stored
- [agentsvc.io, pay as you go](https://datacircle.dev/ip-company-lookup-apis/agentsvc-io/pay-as-you-go/llms.txt): $5.50 per 1,000, 40% complete, stored
- [QuantAgentShop, pay as you go](https://datacircle.dev/ip-company-lookup-apis/quantagentshop/pay-as-you-go/llms.txt): $9.90 per 1,000, 40% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://ismalicious.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ismalicious.com/api-docs/lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ismalicious.com/api-docs/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ismalicious.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ismalicious.com/playbooks/lightweight-reputation-checks?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ismalicious.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ismalicious.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing