# Proofwire, free: IP company lookup API

> Operator, datacentre, Tor exit, from published ranges

Proofwire's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. Proofwire's docs list 3 of the 10 fields on our checklist: Owner's name, VPN and proxy, Hosting.
We haven't run Proofwire 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/proofwire/free
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://proofwire.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://proofwire.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://proofwire.app/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: Proofwire (https://proofwire.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 30%
- Owner's name: ✓
- VPN and proxy: ✓
- Hosting: ✓

## Price

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

## Charges

- Also pays for: from the same budget: Email Verify · Email Find · Phone Verify · Company Profile

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Operator, datacentre, Tor exit, from published ranges

## Data

- Keep data: no limit
- Use data: Checking whether contact details you already hold are real and reachable: cleaning a list before you send to it, screening a signup form, deciding whether a number is worth dialling, scoring an address at checkout. [...] What it is not for: Discovering contact details you do not have. [...] Validating a list you have no right to hold. [...] Sending to people who have not agreed to hear from you. [...] Calling numbers on a Do Not Call registry. [...] Surveillance or profiling of a specific individual. [...] Reselling the raw results as a data product. [...] Have a lawful basis for the data you send us, use the service within the acceptable use policy, and keep your API keys secret.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 100 calls, once
- Expires: never

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Free
- Who can get it: anyone

## The 9 fields the plan's answer can hold

ASN organization, datacenter, Tor exit, VPN, residential proxy, verdict, confidence, evidence, credits charged

## Proofwire's plans (1)

- [Proofwire, free](https://datacircle.dev/ip-company-lookup-apis/proofwire/free/llms.txt): $0.00 per 1,000, 30% complete

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

- Docs behind sign-up: [Proofwire, free](https://datacircle.dev/ip-company-lookup-apis/proofwire/free/llms.txt)

## Proofwire's APIs (5)

- [Proofwire: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/proofwire/free/llms.txt)
- [Proofwire: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/proofwire/free/llms.txt)
- [Proofwire: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/proofwire/free/llms.txt)
- [Proofwire: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/proofwire/free/llms.txt)
- [Proofwire: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/proofwire/free/llms.txt)

## Proofwire: 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
- [Myip.ms, free](https://datacircle.dev/ip-company-lookup-apis/myip-ms/free/llms.txt): $0.00 per 1,000, 40% 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 2026-11-07.

- https://proofwire.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/changelog?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/integrations?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/legal/acceptable-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/legal/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/signup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://proofwire.app/tools/asn-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing