# GreyNoise, free: IP company lookup API

> The Community API provides community users with a free tool to query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data returned by the IP Lookup API.

GreyNoise's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. GreyNoise's docs list 1 of the 10 fields on our checklist: Owner's name.
GreyNoise limits how many calls you get but gives no number.
We haven't run GreyNoise 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/greynoise/free
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://www.greynoise.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://api.greynoise.io/v3/community/{ip}`
- API key: with the plan, on https://www.greynoise.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://docs.greynoise.io/reference/getcommunityip?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: GreyNoise (https://www.greynoise.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 10%
- Owner's name: ✓

## Price

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

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The Community API provides community users with a free tool to query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data returned by the IP Lookup API.

## Data

- Freshness: 8 hours
- Keep data: no limit
- Use data: "In every case (Free Customers and Paid Customers), such use is limited to your internal business purposes or noncommercial purposes such as academic research, if applicable." "You shall not at any time, directly or indirectly, and shall not permit any person or entity to: (1) rent, lease, lend, sell, license, sublicense, assign, distribute, publish, transfer, or otherwise make available the Platform to any third party except for Authorized Users, (2) copy, modify, or create derivative works of the Platform, in whole or in part, or create Derived Products, other than in accordance with the terms of your Quotation, (3) modify, alter, distort, delete, or change the Platform in any way that would materially affect the integrity of the Platform, (4) reverse engineer, disassemble, decompile, decode, adapt, or otherwise attempt to derive or gain access to any component of the Platform, the source of GreyNoise Data, or methods used to compile GreyNoise Data, in whole or in part, (5) remove any proprietary notices from the Platform, (6) use the Platform in any manner or for any purpose that infringes, misappropriates, or otherwise violates any intellectual property right or other right of any person, or that violates any applicable law, or (7) use GreyNoise Data, in whole or in part, to (A) train, develop, fine-tune, validate, modify, update, or otherwise improve any machine learning model, artificial intelligence system, or similar technology, including but not limited to large language models, neural networks, and generative AI systems, whether owned by Customer or licensed from a third party, (B) incorporate GreyNoise Data into any dataset used for such purposes, or (C) permit any third party to do the same with respect to GreyNoise Data accessed through Customer's account."

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ip
- Method: GET
- Path: /v3/community/{ip}

## About the plan

- Plan: Free
- Who can get it: anyone with a business email address, which the API key needs (free email accounts get none), for non-commercial purposes

## The 8 fields the plan's answer can hold

IP address, noise, RIOT, classification, organization, GreyNoise link, last seen, message

## GreyNoise's plans (7)

- [GreyNoise, free](https://datacircle.dev/ip-company-lookup-apis/greynoise/free/llms.txt): $0.00 per 1,000, 10% complete, 8 hours
- [GreyNoise, contact us, Advanced with Business Services, POST /v3/bsi/bulk](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-advanced-with-business-services-post-v3-bsi-bulk/llms.txt): 0% complete, 24 hours
- [GreyNoise, contact us, Elite with Business Services, POST /v3/bsi/bulk](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-elite-with-business-services-post-v3-bsi-bulk/llms.txt): 0% complete, 4 hours
- [GreyNoise, contact us, Standard with Business Services, POST /v3/bsi/bulk](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-standard-with-business-services-post-v3-bsi-bulk/llms.txt): 0% 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
- [GreyNoise, contact us, Elite, POST /v3/ip](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-elite-post-v3-ip/llms.txt): 60% complete, 1 hour
- [GreyNoise, contact us, Standard, POST /v3/ip](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-standard-post-v3-ip/llms.txt): 60% complete, 4 hours

## GreyNoise's calls (5)

- `GET /v3/community/{ip}`: [GreyNoise, free](https://datacircle.dev/ip-company-lookup-apis/greynoise/free/llms.txt)
- `POST /v3/bsi/bulk`: [GreyNoise, contact us, Advanced with Business Services, POST /v3/bsi/bulk](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-advanced-with-business-services-post-v3-bsi-bulk/llms.txt)
- `GET /v3/bsi/lookup`: [GreyNoise, contact us, Advanced with Business Services, GET /v3/bsi/lookup](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-advanced-with-business-services-get-v3-bsi-lookup/llms.txt)
- `POST /v3/ip`: [GreyNoise, contact us, Advanced, POST /v3/ip](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-advanced-post-v3-ip/llms.txt)
- `GET /v3/ip/{ip}`: [GreyNoise, contact us, Advanced, GET /v3/ip/{ip}](https://datacircle.dev/ip-company-lookup-apis/greynoise/contact-us-advanced-get-v3-ip-ip/llms.txt)

## GreyNoise's APIs (1)

- [GreyNoise: IP company lookup API pricing, 7 plans](https://datacircle.dev/ip-company-lookup-apis/greynoise/free/llms.txt)

## GreyNoise: IP company lookup API alternatives

- [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
- [Ipregistry, free, POST /](https://datacircle.dev/ip-company-lookup-apis/ipregistry/free-post/llms.txt): $0.00 per 1,000, 80% complete, 1 day
- [IP2Location.io, free, Keyless API](https://datacircle.dev/ip-company-lookup-apis/ip2location-io/free-keyless-api/llms.txt): $0.00 per 1,000, 50% complete, 1 day
- [How.is, free](https://datacircle.dev/ip-company-lookup-apis/how-is/free/llms.txt): $0.00 per 1,000, 40% 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://docs.greynoise.io/docs/using-the-greynoise-community-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.greynoise.io/reference/getbsibulklookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.greynoise.io/reference/getbsilookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.greynoise.io/reference/getcommunityip?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://docs.greynoise.io/reference/v3ip?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://www.greynoise.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://www.greynoise.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing