# 2s.io, free trial, POST /api/ipinfo/bulk: IP geolocation API

> Geolocate up to 100 IPv4 or IPv6 addresses in a single call. Pass an array of IPs, results come back in input order.

2s.io's Free trial plan for the IP geolocation API costs $0.00 per 1,000 IP addresses. We check each provider's docs for 8 fields. 2s.io's docs list 7: Country, Region and city, Postal code, Coordinates, Time zone, ASN, Owner's name.
2s.io limits how many results you get but gives no number.
In [our IP geolocation API benchmark](https://datacircle.dev/best-ip-geolocation-api.txt), the best plan from 2s.io scores 34.1 out of 100. 2s.io ranks 25th of 27 providers.
This plan is free. We rank 429 plans for IP geolocation APIs by price. Half the plans cost $0.214 or less per 1,000 IP addresses. [149 IP geolocation API plans on our price sheet are free.](https://datacircle.dev/best-ip-geolocation-api.txt) [Apixies' free plan](https://datacircle.dev/ip-geolocation-apis/apixies/free-sandbox-no-account/llms.txt) scores highest of the free plans in our benchmark, at 89.6 out of 100.
[IPWho.org's $99 monthly plan](https://datacircle.dev/ip-geolocation-apis/ipwho-org/99-monthly-enterprise-get-ip-ip/llms.txt) is the cheapest paid plan per 1,000 IP addresses, with no charge per call. You get as many IP addresses as IPWho.org's rate limit allows. [Api.co.id's Rp19,000 monthly plan](https://datacircle.dev/ip-geolocation-apis/api-co-id/rp19000-monthly/llms.txt) costs the least for 10,000 IP addresses a month: about $1.05.
[Api.co.id's Rp99,000 (about $5) monthly plan](https://datacircle.dev/ip-geolocation-apis/api-co-id/rp99000-monthly/llms.txt) covers any number of IP addresses, and costs less up front than IPWho.org's $99 monthly plan.
[Apixies](https://datacircle.dev/ip-geolocation-apis/apixies/free-sandbox-no-account/llms.txt), [getmyip.pro](https://datacircle.dev/ip-geolocation-apis/getmyip-pro/free-getmyip-get-v1-ip/llms.txt) and [IPFlare](https://datacircle.dev/ip-geolocation-apis/ipflare/16-80-monthly-unlimited-get-ip/llms.txt) are the best IP geolocation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/ip-geolocation-apis/2s-io/free-trial-post-api-ipinfo-bulk
- [IP geolocation API in 2026: the best of 20+ compared](https://datacircle.dev/best-ip-geolocation-api.txt)
- Get it: https://2s.io/catalog.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- Request: `POST https://2s.io/api/ipinfo/bulk`
- API key: not needed
- Its API docs: https://2s.io/ipinfo/bulk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- Sold by: 2s.io (https://2s.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 88%
- Country: ✓
- Region and city: ✓
- Postal code: ✓
- Coordinates: ✓
- Time zone: ✓
- ASN: ✓
- Owner's name: ✓

## Price

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

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Geolocate up to 100 IPv4 or IPv6 addresses in a single call. Pass an array of IPs, results come back in input order.

## Data

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

## Plan

- Pay: $0

## Rate limit

- Per second: 0.00028 (1 an hour)
- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: ips
- Method: POST
- Path: /api/ipinfo/bulk

## About the plan

- Plan: Free trial
- Who can get it: anyone, with no wallet or payment, for one call per endpoint per hour (a request with ?trial=1 or the X-2s-Trial: 1 header)

## The 13 fields the plan's answer can hold

IP address, country, country code, region, region code, city, postal code, latitude, longitude, timezone, ISP, organization, ASN

## 2s.io's plans (2)

- [2s.io, free trial, POST /api/ipinfo/bulk](https://datacircle.dev/ip-geolocation-apis/2s-io/free-trial-post-api-ipinfo-bulk/llms.txt): $0.00 per 1,000, 88% complete
- [2s.io, pay as you go, x402 pay per call, POST /api/ipinfo/bulk](https://datacircle.dev/ip-geolocation-apis/2s-io/pay-as-you-go-x402-pay-per-call-post-api-ipinfo-bulk/llms.txt): $0.15 per 1,000, 88% complete

## 2s.io's calls for this API (3)

- `GET /api/geo/ip`: [2s.io, free trial, GET /api/geo/ip](https://datacircle.dev/ip-geolocation-apis/2s-io/free-trial-get-api-geo-ip/llms.txt)
- `POST /api/ipinfo/bulk`: [2s.io, free trial, POST /api/ipinfo/bulk](https://datacircle.dev/ip-geolocation-apis/2s-io/free-trial-post-api-ipinfo-bulk/llms.txt)
- `GET /api/net/ip-resolve`: [2s.io, free trial, GET /api/net/ip-resolve](https://datacircle.dev/ip-geolocation-apis/2s-io/free-trial-get-api-net-ip-resolve/llms.txt)

## 2s.io's APIs (16)

- [2s.io Company hierarchy API pricing, 2 plans](https://datacircle.dev/company-hierarchy-apis/2s-io/free/llms.txt)
- [2s.io Domain WHOIS API pricing, 2 plans](https://datacircle.dev/domain-whois-apis/2s-io/free/llms.txt)
- [2s.io Email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/2s-io/free/llms.txt)
- [2s.io Local business search API pricing, 2 plans](https://datacircle.dev/local-business-search-apis/2s-io/free/llms.txt)
- [2s.io News API pricing, 2 plans](https://datacircle.dev/news-apis/2s-io/free/llms.txt)
- [2s.io GitHub profile API pricing, 2 plans](https://datacircle.dev/github-profile-apis/2s-io/free/llms.txt)
- [2s.io GitHub repository API pricing, 2 plans](https://datacircle.dev/github-repository-apis/2s-io/free/llms.txt)
- [2s.io GitHub user repository API pricing, 2 plans](https://datacircle.dev/github-user-repository-apis/2s-io/free/llms.txt)
- [2s.io Hacker News search API pricing, 2 plans](https://datacircle.dev/hacker-news-search-apis/2s-io/free/llms.txt)
- [2s.io Company enrichment API pricing, 2 plans, GET /api/business/br-cnpj](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-business-br-cnpj/llms.txt)
- [2s.io Company enrichment API pricing, 2 plans, GET /api/business/lei](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-business-lei/llms.txt)
- [2s.io Company enrichment API pricing, 2 plans, GET /api/business/pl-krs](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-business-pl-krs/llms.txt)
- [2s.io Company enrichment API pricing, 2 plans, GET /api/tax/vat](https://datacircle.dev/company-enrichment-apis/2s-io/free-trial-get-api-tax-vat/llms.txt)
- [2s.io Business verification API pricing, 2 plans, GET /api/business/entity-profile](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-entity-profile/llms.txt)
- [2s.io Business verification API pricing, 2 plans, GET /api/business/fi-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-fi-companies/llms.txt)
- [2s.io Business verification API pricing, 2 plans, GET /api/business/fr-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-fr-companies/llms.txt)
- [2s.io Business verification API pricing, 2 plans, GET /api/business/no-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-no-companies/llms.txt)
- [2s.io Business verification API pricing, 2 plans, GET /api/business/sos-search](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-sos-search/llms.txt)
- [2s.io Business verification API pricing, 2 plans, GET /api/business/uk-companies](https://datacircle.dev/business-verification-apis/2s-io/free-trial-get-api-business-uk-companies/llms.txt)
- [2s.io IP company lookup API pricing, 2 plans, GET /api/geo/ip](https://datacircle.dev/ip-company-lookup-apis/2s-io/free-trial-get-api-geo-ip/llms.txt)
- [2s.io IP company lookup API pricing, 2 plans, POST /api/ipinfo/bulk](https://datacircle.dev/ip-company-lookup-apis/2s-io/free-trial-post-api-ipinfo-bulk/llms.txt)
- [2s.io IP company lookup API pricing, 2 plans, GET /api/net/ip-resolve](https://datacircle.dev/ip-company-lookup-apis/2s-io/free-trial-get-api-net-ip-resolve/llms.txt)
- [2s.io IP geolocation API pricing, 2 plans, POST /api/ipinfo/bulk](https://datacircle.dev/ip-geolocation-apis/2s-io/free-trial-post-api-ipinfo-bulk/llms.txt)
- [2s.io Job postings API pricing, 2 plans, GET /api/gov/usajobs](https://datacircle.dev/job-posting-apis/2s-io/free-trial-get-api-gov-usajobs/llms.txt)
- [2s.io Job postings API pricing, 2 plans, GET /api/job/federal-search](https://datacircle.dev/job-posting-apis/2s-io/free-trial-get-api-job-federal-search/llms.txt)
- [2s.io Web search API pricing, 2 plans, GET /api/search/ai](https://datacircle.dev/web-search-apis/2s-io/free-trial-get-api-search-ai/llms.txt)
- [2s.io Web search API pricing, 2 plans, GET /api/search/web](https://datacircle.dev/web-search-apis/2s-io/free-trial-get-api-search-web/llms.txt)
- [2s.io Web scraping API pricing, 2 plans, POST /api/search/extract](https://datacircle.dev/web-scraping-apis/2s-io/free-trial-post-api-search-extract/llms.txt)
- [2s.io Web scraping API pricing, 2 plans, GET /api/url/clean](https://datacircle.dev/web-scraping-apis/2s-io/free-trial-get-api-url-clean/llms.txt)
- [2s.io Web scraping API pricing, 2 plans, GET /api/url/render](https://datacircle.dev/web-scraping-apis/2s-io/free-trial-get-api-url-render/llms.txt)

## 2s.io: IP geolocation API alternatives

[2s.io alternatives: every IP geolocation API provider ranked](https://datacircle.dev/2s-io-alternatives.txt)

We list 2s.io's cheapest paid plan first. Next we list other providers' plans closest to 2s.io in price per 1,000 IP addresses.

- [2s.io, pay as you go, x402 pay per call, POST /api/ipinfo/bulk](https://datacircle.dev/ip-geolocation-apis/2s-io/pay-as-you-go-x402-pay-per-call-post-api-ipinfo-bulk/llms.txt): $0.15 per 1,000, 88% complete
- [Scamalytics, $300 monthly](https://datacircle.dev/ip-geolocation-apis/scamalytics/300-monthly/llms.txt): $0.15 per 1,000, 63% complete
- [IPnova, $182.40 yearly](https://datacircle.dev/ip-geolocation-apis/ipnova/182-40-yearly/llms.txt): $0.152 per 1,000, 63% complete, 1 month (VPN, Tor exit node, datacenter, risk level, risk score: 1 day)
- [51Degrees, €680 monthly](https://datacircle.dev/ip-geolocation-apis/51degrees/680-monthly/llms.txt): $0.153 per 1,000, 38% complete, 1 day
- [iplookupapi, $9.99 monthly, Basic, POST /v1/batch](https://datacircle.dev/ip-geolocation-apis/iplookupapi/9-99-monthly-basic-post-v1-batch/llms.txt): $0.154 per 1,000, 88% 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 2026-11-09.

- https://2s.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://2s.io/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://2s.io/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://2s.io/catalog.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://2s.io/ipinfo/bulk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://2s.io/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://2s.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing