# RelayShield, free: IP geolocation API

> Passive DNS & IP reputation: pass a domain to get its historical IP resolution history plus reputation, or pass an IP to get reverse resolution history (hostnames that have pointed to it), AS owner, country, and malicious/suspicious vendor detection counts

RelayShield's Free key: 100 free calls plan for the IP geolocation API costs $0.00 per 1,000 IP addresses. We check each provider's docs for 8 fields. RelayShield's docs list 2: Country, ASN.
We haven't run RelayShield through [our IP geolocation API benchmark](https://datacircle.dev/best-ip-geolocation-api.txt) yet.
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/relayshield/free
- [IP geolocation API in 2026: the best of 20+ compared](https://datacircle.dev/best-ip-geolocation-api.txt)
- Get it: https://api.relayshield.net/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- Request: `POST https://api.relayshield.net/v1/metered/ip-intel`
- API key: with the plan, on https://api.relayshield.net/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- Its API docs: https://api.relayshield.net/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing#/Domain%20and%20infrastructure/metered_ip_intel
- Sold by: RelayShield (https://relayshield.net?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 25%
- Country: ✓
- ASN: ✓

## Price

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

## Charges

- Also pays for: from the same budget: Check an email address against known data breaches · Detect a recent SIM swap or carrier port · Check an email address against infostealer malware logs · Scan a domain for active phishing lookalikes · Find exposed OAuth tokens and SaaS credentials · Assess breach and infostealer risk across vendors · Detect stolen session cookies before they are used · Screen an EVM address and optionally a token contract · Register assets and sweep them against the IOC corpus · Exploit chatter and threat actor lookup · Correlate a CVE with a specific organisation's exposure · Score a domain 0-100 across six identity dimensions · Enrich up to 100 indicators in one call · Discover infrastructure related to one indicator · Find brand abuse across the IOC corpus · Score up to 10 organisations and their agent identities · Find CVEs actively targeting your declared stack · mcp-registry-risk endpoint · Find exposure from breaches that look AI-agent-sourced · Check TLS certificate expiry from CT logs · Identity a suspected phishing/smishing kit · Match a kit or malware identity ID against the corpus · Composite campaign scan across the threat-intel endpoints ($5.50 flat)

## Not found

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

## In their words

- Their pitch: Passive DNS & IP reputation: pass a domain to get its historical IP resolution history plus reputation, or pass an IP to get reverse resolution history (hostnames that have pointed to it), AS owner, country, and malicious/suspicious vendor detection counts

## Data

- Freshness: stored
- Keep data: no limit
- Use data: You may not use the Service to: Violate any applicable law or regulation, Reverse-engineer, scrape, or resell the Service without written permission, Exceed rate limits or attempt to circumvent usage restrictions, Use the Service to target, harass, or surveil individuals, Transmit malware or engage in any activity that disrupts the Service

## Plan

- Pay: $0
- You get: 100 requests
- Enough for: 100 calls

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: at least one of domain or ip, Content-Type header "application/json"
- Method: POST
- Path: /v1/metered/ip-intel

## About the plan

- Plan: Free key: 100 free calls
- Who can get it: anyone with an email address

## The 5 fields the plan's answer can hold

queried value, query type, country code, AS owner, checked at

## RelayShield's plans (5)

- [RelayShield, free](https://datacircle.dev/ip-geolocation-apis/relayshield/free/llms.txt): $0.00 per 1,000, 25% complete, stored
- [RelayShield, pay as you go, metered to a card](https://datacircle.dev/ip-geolocation-apis/relayshield/pay-as-you-go-metered-to-a-card/llms.txt): $100.00 per 1,000, 25% complete, stored
- [RelayShield, pay as you go, Pay per call over x402](https://datacircle.dev/ip-geolocation-apis/relayshield/pay-as-you-go-pay-per-call-over-x402/llms.txt): $100.00 per 1,000, 25% complete, stored
- [RelayShield, $499 monthly](https://datacircle.dev/ip-geolocation-apis/relayshield/499-monthly/llms.txt): $49.90 per 1,000, 25% complete, stored
- [RelayShield, $999 monthly](https://datacircle.dev/ip-geolocation-apis/relayshield/999-monthly/llms.txt): no limit, 25% complete, stored

## RelayShield's calls (2)

- `POST /v1/metered/ip-intel`: [RelayShield, free](https://datacircle.dev/ip-geolocation-apis/relayshield/free/llms.txt)
- `POST /v1/payg/ip-intel`: [RelayShield, pay as you go, Pay per call over x402](https://datacircle.dev/ip-geolocation-apis/relayshield/pay-as-you-go-pay-per-call-over-x402/llms.txt)

## RelayShield's APIs (2)

- [RelayShield IP company lookup API pricing, 5 plans](https://datacircle.dev/ip-company-lookup-apis/relayshield/free/llms.txt)
- [RelayShield IP geolocation API pricing, 5 plans](https://datacircle.dev/ip-geolocation-apis/relayshield/free/llms.txt)

## RelayShield: IP geolocation API alternatives

[RelayShield alternatives: other IP geolocation API providers by price](https://datacircle.dev/relayshield-alternatives.txt)

We list RelayShield's cheapest paid plan first. Next we list other providers' plans closest to RelayShield in price per 1,000 IP addresses. Each plan in the list gives stored data.

- [RelayShield, $499 monthly](https://datacircle.dev/ip-geolocation-apis/relayshield/499-monthly/llms.txt): $49.90 per 1,000, 25% complete, stored
- [IP-Max, top-up, GeoIP geolocation](https://datacircle.dev/ip-geolocation-apis/ip-max/top-up-geoip-geolocation/llms.txt): $0.065 per 1,000, 88% complete, stored
- [IP-Info.app, $2.50 monthly](https://datacircle.dev/ip-geolocation-apis/ip-info-app/2-50-monthly/llms.txt): $0.333 per 1,000, 75% complete, stored
- [Ops.Tools, $6.99 monthly](https://datacircle.dev/ip-geolocation-apis/ops-tools/6-99-monthly/llms.txt): $1.165 per 1,000, 75% complete, stored
- [isMalicious, €49 monthly](https://datacircle.dev/ip-geolocation-apis/ismalicious/49-monthly/llms.txt): $27.57 per 1,000, 50% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://api.relayshield.net/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://api.relayshield.net/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://api.relayshield.net/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://relayshield.net?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing
- https://terms.relayshield.net?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-geolocation-api-pricing