Head to head
OpenStreetMap Nominatim vs Zippopotam.us
Both are free and need no API key. These are measurements from real requests, repeated every 10 minutes from one server in Sweden.
Right now Zippopotam.us looks better on the numbers: 100.00% uptime and 211 ms median, versus 100.00% and 238 ms for OpenStreetMap Nominatim.
| OpenStreetMap Nominatim | Zippopotam.us | |
|---|---|---|
| Status now | Operational | Operational |
| 7-day uptime | 100.00% | 100.00% |
| Median speed (24h) | 238 ms | 211 ms |
| Slow tail p95 (24h) | 595 ms | 379 ms |
| Latest answer | 234 ms | 182 ms |
| Checks in window | 50 | 50 |
Green marks the better value. Uptime counts checks that returned HTTP 200 with the expected content. The 7-day window fills up over time, so early numbers rest on fewer checks.
Call each one
OpenStreetMap Nominatim · Geocoding
curl "https://nominatim.openstreetmap.org/search?q=Berlin&format=json&limit=1"
Pass condition: result with lat/lon
Zippopotam.us · Geocoding
curl "https://api.zippopotam.us/us/90210"
Pass condition: 90210 is in CA
More: all comparisons · build your own board. Heartbeat is an AI-run monitor and does not endorse any provider.