# ipbase, free, POST /v2/batch: IP company lookup API

> POST up to 1,000 IPv4 or IPv6 addresses to the batch endpoint (100 in a GET query string) and get every result in one response. Each address counts as one request, duplicates only once.

ipbase's Free plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. ipbase's docs list 6 of the 10 fields on our checklist: Owner's name, Owner's domain, ASN, Network range, Country, Region and city.
We haven't run ipbase 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/ipbase/free-post-v2-batch
- [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt)
- Get it: https://ipbase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Request: `POST https://api.ipbase.com/v2/batch`
- API key: with the plan, on https://ipbase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Its API docs: https://ipbase.com/docs/batch/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- Sold by: ipbase (https://ipbase.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: ✓
- ASN: ✓
- Network range: ✓
- Country: ✓
- Region and city: ✓

## Price

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

## Charges

- Also pays for: from the same budget: IP Information

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: POST up to 1,000 IPv4 or IPv6 addresses to the batch endpoint (100 in a GET query string) and get every result in one response. Each address counts as one request, duplicates only once.

## Data

- Freshness: 1 day
- Keep data: no limit
- Use data: "Users may not use content for purposes outside normal service usage. This includes prohibiting copying, sharing, editing, sublicensing, or selling content, unless explicitly allowed." [...] "The Application and its services must be used lawfully and for their intended purposes."

## Plan

- Pay: $0
- You get: 150 requests a month
- Enough for: 150 results a month

## Rate limit

- Per second: 0.17
- Batch: 1,000

## Speed

- Answer: in the call

## The call

- You send: ips. Optional: language, fields, hostname, user_agent, coarse_location
- Method: POST
- Path: /v2/batch

## About the plan

- Plan: Free
- Who can get it: testing and personal, non-commercial projects only, commercial use needs a paid plan

## The 70 fields the plan's answer can hold

IP address, hostname, hostname status, IP version, range type, range type description, ASN, organization, ISP, IP range, GeoNames ID, latitude, longitude, ZIP code, continent code, continent name, continent name translated, continent GeoNames ID, continent Wikidata ID, continent WOF ID, country code, country alpha-3 code, country calling code, currency symbol, currency name, currency native symbol, currency decimal digits, currency rounding, currency code, currency plural name, currency type, country flag emoji, country IOC code, language name, language native name, country name, country name translated, country time zones, is EU member, country FIPS code, country GeoNames ID, country HASC ID, country Wikidata ID, country WOF ID, city FIPS code, city alpha-2 code, city GeoNames ID, city HASC ID, city Wikidata ID, city name, city name translated, city WOF ID, region FIPS code, region code, region GeoNames ID, region HASC ID, region Wikidata ID, region name, region name translated, region WOF ID, location WOF ID, location precision, accuracy radius km, location confidence, top-level domains, time zone ID, current time, time zone code, is daylight saving, GMT offset

## ipbase's plans (10)

- [ipbase, free, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/free-post-v2-batch/llms.txt): $0.00 per 1,000, 60% complete, 1 day
- [ipbase, $9.99 monthly, Small, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/9-99-monthly-small-post-v2-batch/llms.txt): $0.154 per 1,000, 80% complete, 1 day
- [ipbase, $39.99 monthly, Medium, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/39-99-monthly-medium-post-v2-batch/llms.txt): $0.061 per 1,000, 80% complete, 1 day
- [ipbase, $89.99 monthly, Large, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/89-99-monthly-large-post-v2-batch/llms.txt): $0.036 per 1,000, 80% complete, 1 day
- [ipbase, $199 monthly, Business, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/199-monthly-business-post-v2-batch/llms.txt): $0.033 per 1,000, 80% complete, 1 day
- [ipbase, $99.99 yearly, Small (yearly), POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/99-99-yearly-small-yearly-post-v2-batch/llms.txt): $0.128 per 1,000, 80% complete, 1 day
- [ipbase, $399.99 yearly, Medium (yearly), POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/399-99-yearly-medium-yearly-post-v2-batch/llms.txt): $0.051 per 1,000, 80% complete, 1 day
- [ipbase, $899.99 yearly, Large (yearly), POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/899-99-yearly-large-yearly-post-v2-batch/llms.txt): $0.03 per 1,000, 80% complete, 1 day
- [ipbase, $1,990 yearly, Business (yearly), POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/1990-yearly-business-yearly-post-v2-batch/llms.txt): $0.028 per 1,000, 80% complete, 1 day
- [ipbase, contact us, Enterprise, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/contact-us-enterprise-post-v2-batch/llms.txt): 80% complete, 1 day

## ipbase's calls (2)

- `POST /v2/batch`: [ipbase, free, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/free-post-v2-batch/llms.txt)
- `GET /v2/info`: [ipbase, free, GET /v2/info](https://datacircle.dev/ip-company-lookup-apis/ipbase/free-get-v2-info/llms.txt)

## ipbase's APIs (1)

- [ipbase: IP company lookup API pricing, 10 plans, POST /v2/batch](https://datacircle.dev/ip-company-lookup-apis/ipbase/free-post-v2-batch/llms.txt)

## ipbase: IP company lookup API alternatives

- [ProxyRadar, $7.99 monthly](https://datacircle.dev/ip-company-lookup-apis/proxyradar/7-99-monthly/llms.txt): $0.027 per 1,000, 20% complete, 1 day
- [ipify, $2,990 monthly, Monthly subscription: 200,000,000 Credits per month, GET /api/v2/country,city](https://datacircle.dev/ip-company-lookup-apis/ipify/2990-monthly-monthly-subscription-200000000-credits-per-month-get-api-v2-country-city/llms.txt): $0.03 per 1,000, 40% complete, 1 day
- [Aiwen IP, CNY 3,980 yearly](https://datacircle.dev/ip-company-lookup-apis/aiwen-ip/cny-3980-yearly/llms.txt): $0.033 per 1,000, 40% complete, 1 day
- [VPNDetection, $1,990 yearly, Max, POST /batch](https://datacircle.dev/ip-company-lookup-apis/vpndetection/1990-yearly-max-post-batch/llms.txt): $0.033 per 1,000, 70% complete, 1 day

## 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://ipbase.com/docs/asns?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/docs/batch?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/docs/info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/docs/openapi.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/docs/rate-limit?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/docs/status-codes?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/products/ip-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing
- https://ipbase.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing