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HALOWERK Land Compare – Rank Sites by Mean Slope
x402
HALOWERK Land Compare – Rank Sites by Mean Slope is a paid API for AI agents from landvergleich.halowerk.com, paid per call via x402, $0.008/call, status unknown (last checked 2026-09-13).
Measures mean terrain slope for two to ten named European sites and returns a ranked list with ties preserved.
Price / call$0.008
Success—
StatusUnknown
How this service works
Measures mean slope for two to ten named European sites and ranks the observed values with ties preserved.
Output
Returns each named site with its computed mean slope value and an ordinal rank (ties are preserved with shared rank positions), allowing direct comparison of terrain steepness across the submitted European locations.
Example use cases
Renewable energy site selection
“I'm evaluating six candidate sites in Europe for a solar farm — can you rank them by mean slope so I can filter out the steepest ones? The sites are: Northern Spain at 41.5°N -2.3°E, Southern France at 43.8°N 3.1°E, Central Italy at 42.6°N 12.9°E, Western Poland at 52.1°N 17.4°E, Greek mainland at 39.4°N 22.1°E, and Czech lowland at 49.8°N 16.2°E.”
Agricultural land suitability ranking
“We have four farm plots in Europe and need to know which has the gentlest terrain for machinery access — please rank them by mean slope: Plot A near Munich at 48.1°N 11.6°E, Plot B near Lyon at 45.7°N 4.8°E, Plot C near Seville at 37.3°N -5.9°E, and Plot D near Warsaw at 52.2°N 21.0°E.”
Hiking trail difficulty comparison
“Can you rank these three hiking areas in the Alps and Pyrenees by average slope steepness so I know which is most challenging — Chamonix valley at 45.9°N 6.9°E, Zermatt area at 46.0°N 7.7°E, and Ordesa Canyon at 42.6°N -0.1°E?”
Technical details
Endpoint
POSThttps://landvergleich.halowerk.com/v1/rank-sites-mean-slopeWhen to prefer
Use this endpoint when you need to compare and rank mean slope values across two to ten named European sites in a single call, with ties handled automatically. Prefer it over pairwise comparison endpoints when you have three or more sites to rank, or when you need an ordered list rather than just a signed difference between two points.
Side effects
- Coordinates outside the European coverage window (lat 34–72.5°N, lon -31.5–40.5°E) cause a validation error
- Fewer than two or more than ten locations in the request array cause a schema validation failure
- Missing required latitude or longitude fields for any item cause a 400-level error
- Payment failure or missing x402 payment header results in a 402 response
- Network timeout on the backend terrain data source may return a 503 or 504
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| locations | array |
Tags
x402
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