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HALOWERK Nordic Land – Maximum Surface Slope Gradient (Norway)
x402
HALOWERK Nordic Land – Maximum Surface Slope Gradient (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 maximum adjacent-cell surface gradient across a local analysis grid for a given WGS84 coordinate within Norway.
Price / call$0.003
Success—
StatusUnknown
How this service works
Maximum adjacent-cell 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 maximum adjacent-cell surface gradient (steepest slope) computed across the analysis grid centered on the given coordinate. Coordinates outside the Norway Natural Earth boundary are rejected before any charge is applied.
Example use cases
Construction site suitability check
“We're evaluating a site near Lillehammer at latitude 61.12, longitude 10.47 — can you get the maximum surface slope gradient there so we can assess if it's too steep for building?”
Ski resort terrain steepness assessment
“I need the maximum slope gradient at coordinates 60.86 latitude and 8.34 longitude in Norway to evaluate whether this area qualifies as advanced ski terrain.”
Pipeline route hazard screening
“For our pipeline planning project, can you check the maximum adjacent-cell surface gradient at latitude 68.44, longitude 17.43 in northern Norway to flag potential slope hazards?”
Technical details
Endpoint
POSThttps://nordland.halowerk.com/v1/no-max-slopeWhen to prefer
Choose this endpoint when you need the maximum (peak) steepness metric for a Norwegian location specifically, as opposed to mean elevation, slope direction, or soil properties. It is purpose-built for Norway boundary validation and computes the worst-case adjacent-cell gradient, making it ideal for construction feasibility, hazard screening, and terrain classification tasks where the steepest slope matters most.
Side effects
- Coordinate outside Norway Natural Earth boundary — request rejected before payment, returns boundary validation error
- Latitude or longitude outside the published European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation failure
- Network timeout or service unavailability — no result returned
- Malformed input (non-numeric coordinates) — input validation error
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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