# Unblock Master, free: IP company lookup API

> Give it an IP address, get back its country, city, network operator and whether it belongs to a datacenter or VPN. No API key. No signup. No cost.

Unblock Master's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. Unblock Master's docs list 1 of the 10 fields on our checklist: Owner's name.
You get up to 2,592,000 calls a month.
We haven't run Unblock Master 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/unblock-master/free
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://www.unblockmaster.com/free-ip-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `GET https://www.unblockmaster.com/api/v1/ip/{ip}`
- API key: not needed
- Its API docs: https://www.unblockmaster.com/free-ip-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: Unblock Master (https://www.unblockmaster.com?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: Give it an IP address, get back its country, city, network operator and whether it belongs to a datacenter or VPN. No API key. No signup. No cost.

## Data

- Keep data: no limit
- Use data: Free for personal and commercial use. No attribution required — though a link back is always welcome. [...] This is a best-effort free service with no uptime guarantee. Do not build something safety-critical on it.

## Plan

- Pay: $0
- Enough for: 2,592,000 calls a month

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ip
- Method: GET
- Path: /api/v1/ip/{ip}

## About the plan

- Plan: Free
- Who can get it: anyone

## The 2 fields the plan's answer can hold

IP address, network operator

## Unblock Master's plans (1)

- [Unblock Master, free](https://datacircle.dev/ip-company-lookup-apis/unblock-master/free/llms.txt): $0.00 per 1,000, 10% complete

## Unblock Master's calls (1)

- `GET /api/v1/ip/{ip}`: [Unblock Master, free](https://datacircle.dev/ip-company-lookup-apis/unblock-master/free/llms.txt)

## Unblock Master's APIs (1)

- [Unblock Master: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/unblock-master/free/llms.txt)

## Unblock Master: 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 2026-11-07.

- https://www.unblockmaster.com/free-ip-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing