# 6sense, contact us, 6sense Intelligence: IP company lookup API

> Use the Company Identification API to resolve anonymous visitor IPs to accounts in real time, then serve personalized content, CTAs, or chat flows based on their industry, buying stage, or segment membership without waiting for a form fill.

6sense's 6sense Intelligence plan lets you call the IP company lookup API. 6sense's docs list 6 of the 10 fields on our checklist: Owner's name, Owner's domain, Industry, Company size, Country, Region and city.
We haven't run 6sense through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet.
6sense gives this plan's price on request. We rank 398 plans for IP company lookup APIs by price. Half the plans cost $0.112 per 1,000 IP addresses or less.
[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/6sense/contact-us-6sense-intelligence
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://6sense.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://epsilon.6sense.com/v3/company/details`
- API key: with the plan, on https://6sense.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://api.6sense.com/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing#company-identification-api
- Sold by: 6sense (https://6sense.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 60%
- Owner's name: ✓
- Owner's domain: ✓
- Industry: ✓
- Company size: ✓
- Country: ✓
- Region and city: ✓

## Price

- Per: call
- Billing: contact

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Use the Company Identification API to resolve anonymous visitor IPs to accounts in real time, then serve personalized content, CTAs, or chat flows based on their industry, buying stage, or segment membership without waiting for a form fill.

## Data

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

## Rate limit

- Per second: 1.67
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: IP address. Optional: EpsilonCookie, X-6s-CustomID
- Method: GET
- Path: /v3/company/details

## About the plan

- Plan: 6sense Intelligence
- Who can get it: anyone with a business email

## The 38 fields the plan's answer can hold

match status, match comment, company ID, domain, company name, region, country, country ISO code, state, city, street address, ZIP code, company phone, industry, industry and sub-industry, employee range, revenue range, employee count, annual revenue, SIC code, SIC description, NAICS code, NAICS description, excluded in settings, 6QA, state code, IP country, IP state, IP city, product, intent score, buying stage, profile score, profile fit, segment IDs, segment names, segments, confidence

## 6sense's plans (3)

- [6sense, contact us, 6sense Intelligence](https://datacircle.dev/ip-company-lookup-apis/6sense/contact-us-6sense-intelligence/llms.txt): 60% complete
- [6sense, contact us, Revenue Marketing](https://datacircle.dev/ip-company-lookup-apis/6sense/contact-us-revenue-marketing/llms.txt): 60% complete
- [6sense, contact us, Sales Intelligence](https://datacircle.dev/ip-company-lookup-apis/6sense/contact-us-sales-intelligence/llms.txt): 60% complete

## 6sense's calls for this API (1)

- `GET /v3/company/details`: [6sense, contact us, 6sense Intelligence](https://datacircle.dev/ip-company-lookup-apis/6sense/contact-us-6sense-intelligence/llms.txt)

## 6sense's APIs (4)

- [6sense: IP company lookup API pricing, 3 plans](https://datacircle.dev/ip-company-lookup-apis/6sense/contact-us-6sense-intelligence/llms.txt)
- [6sense: people search API pricing, 3 plans](https://datacircle.dev/people-search-apis/6sense/contact-us-6sense-intelligence/llms.txt)
- [6sense: people enrichment API pricing, 3 plans](https://datacircle.dev/person-enrichment-apis/6sense/contact-us-6sense-intelligence/llms.txt)
- [6sense: company enrichment API pricing, 3 plans, POST /v1/enrichment/company](https://datacircle.dev/company-enrichment-apis/6sense/contact-us-6sense-intelligence-post-v1-enrichment-company/llms.txt)
- [6sense: company enrichment API pricing, 3 plans, POST /v2/people/full](https://datacircle.dev/company-enrichment-apis/6sense/contact-us-6sense-intelligence-post-v2-people-full/llms.txt)

## 6sense: IP company lookup API alternatives

- [Elioplus, contact us](https://datacircle.dev/ip-company-lookup-apis/elioplus/contact-us/llms.txt): 60% complete, 7 days
- [GreyNoise, contact us, Advanced, POST /v3/ip](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-advanced-post-v3-ip/llms.txt): 60% complete, 2 hours
- [ipXapi, contact us, Enterprise, POST /api/batch-ip](https://datacircle.dev/ip-company-lookup-apis/ipxapi/contact-us-enterprise-post-api-batch-ip/llms.txt): 60% complete
- [KickFire, contact us](https://datacircle.dev/ip-company-lookup-apis/kickfire/contact-us/llms.txt): 60% complete
- [eXTReMe IP Lookup, contact us, Pro Package](https://datacircle.dev/ip-company-lookup-apis/extreme-ip-lookup/contact-us-pro-package/llms.txt): 50% 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 2026-11-04.

- https://6sense.com/platform/people-company-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://6sense.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://6sense.com/terms-of-use/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://api.6sense.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://support.6sense.com/docs/api-credits-api-tokens?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://support.6sense.com/docs/credits-overview?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing