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HALOWERK Nordic Land – Mean Surface Slope (Norway)
x402
HALOWERK Nordic Land – Mean Surface Slope (Norway) is a paid API for AI agents from nordland.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).
Returns the mean first-order surface gradient (slope) across an analysis grid cell for a given coordinate within Norway.
Price / call$0.003
Success—
StatusUnknown
How this service works
Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Norway; results outside it are rejected before payment.
Output
A numeric value representing the mean first-order surface gradient (slope) computed across the analysis grid for the specified Norwegian coordinate. Coordinates outside the Norway boundary are rejected before payment is processed.
Example use cases
Agricultural land suitability assessment
“I'm evaluating a parcel of land near Lillehammer in Norway — can you get me the mean surface slope at latitude 61.1, longitude 10.5? I need to know if the terrain is too steep for farming.”
Hiking trail difficulty estimation
“For a trail planning project, can you look up the mean terrain slope at latitude 60.6, longitude 7.2 in Norway? I want to estimate how challenging that section of terrain is.”
Construction site feasibility check
“We're scoping a building project in western Norway — can you give me the mean surface gradient at coordinates 58.8 latitude, 5.7 longitude to assess slope-related construction challenges?”
Technical details
Endpoint
POSThttps://nordland.halowerk.com/v1/no-mean-slopeWhen to prefer
Use this endpoint when you need a per-point mean terrain slope value specifically within Norway. It is preferable when you need a lightweight, single-coordinate slope lookup rather than a full DEM analysis, and when boundary validation against Norway's Natural Earth boundary is required to ensure data relevance. Pair with sibling endpoints (max slope, elevation std dev) for a richer terrain profile.
Side effects
- Coordinate outside Norway boundary — rejected before payment with a validation error
- Latitude or longitude outside the published European coverage range (lat 34–72.5, lon -31.5–40.5) — input validation failure
- Malformed or missing latitude/longitude fields — schema validation error
- Server-side computation error for edge-case grid cells near coastlines or borders
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| latitude | number | WGS84 latitude inside the published European coverage. |
| longitude | number | WGS84 longitude inside the published European coverage. |
Tags
x402
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