Geographic distance calculation between two coordinates using haversine formula....
https://api.cn402.com/geo/distanceOverview
Geographic distance calculation between two coordinates using haversine formula. Computes great circle distance from latitude longitude pairs. Returns distance in kilometers, miles, and meters. For mapping, navigation, GPS coordinate distance, location based queries, Chinese maps, geo analytics, route planning, proximity search.
Protocol
x402
Price
$0.0080
Payment Asset
USD Coin
Payment Network
Base
Category
tools/search
Provider
cn402
Source
bazaar
Indexed
2026-05-21 16:08:49
Health
Status
healthy
Latency (p50)
1036ms
Uptime (30d)
100.0%
Reliability Score
85/100
Last Checked
2026-10-21 16:55:53
Last Healthy
2026-10-21 16:55:53
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"lat1": "Lat1 (optional)",
"lat2": "Lat2 (optional)",
"lng1": "Lng1 (optional)",
"lng2": "Lng2 (optional)"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-21 16:55:53 | healthy | 402 | 437ms | |
| 2026-10-21 00:16:23 | healthy | 402 | 1036ms | |
| 2026-10-20 16:15:53 | healthy | 402 | 429ms | |
| 2026-10-20 04:43:05 | healthy | 402 | 2416ms | |
| 2026-10-19 13:02:36 | healthy | 402 | 435ms | |
| 2026-10-18 20:57:33 | healthy | 402 | 1127ms |