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IP Geolocation Distance Calculator
x402
IP Geolocation Distance Calculator is a paid API for AI agents from ip-geo-api-production.up.railway.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Calculates great-circle distance (in km and miles) between two IP addresses, returning city, country, and lat/lng for each.
Price / call$0.001
Success—
StatusUnknown
How this service works
Great-circle distance (km and miles) between two IP addresses, with each endpoint's city/country/lat/lng.
Output
Returns the great-circle distance in both kilometers and miles between the two IPs, along with each IP's resolved city, country, latitude, and longitude.
Example use cases
Server latency proximity check
“Can you tell me how far apart 104.21.3.200 and 185.60.216.35 are geographically, and what cities they're in? I want to understand if network latency between them makes sense.”
Fraud detection distance check
“A user logged in from 203.0.113.42 and then 5 minutes later from 198.51.100.77 — how many kilometers apart are those two IPs? I need to know if that's physically possible.”
CDN node proximity analysis
“I have two CDN nodes at IPs 151.101.1.140 and 13.32.99.250 — what's the distance between them in kilometers and miles, and which cities are they in?”
Technical details
Endpoint
POSThttps://ip-geo-api-production.up.railway.app/lookup/distanceWhen to prefer
Use this endpoint when you need both the geographic coordinates/city details AND the distance between two IPs in a single call, rather than making two separate single-IP lookups and computing distance yourself. Ideal for fraud detection, network analysis, CDN planning, or any scenario comparing the physical proximity of two network endpoints.
Side effects
- Invalid or malformed IP address returns an error indicating which IP failed validation
- Private/reserved IP addresses (e.g. 192.168.x.x, 10.x.x.x) may not be geolocatable and return null or error
- Missing ip1 or ip2 field in request body returns a 400 bad request
- IPv6 addresses may have reduced geolocation accuracy
- Geolocation database may not have coverage for all IPs, returning partial or null location data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| ip1 | string | First IP address, e.g. '8.8.8.8'. |
| ip2 | string | Second IP address, e.g. '1.1.1.1'. |
Tags
x402
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