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HALOWERK Atlantic Land – Netherlands Mean Surface Slope
x402
HALOWERK Atlantic Land – Netherlands Mean Surface Slope is a paid API for AI agents from atlantikland.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).
Returns the mean first-order surface gradient (slope) for a given WGS84 coordinate, validated against the Natural Earth boundary for the Netherlands.
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 Netherlands; results outside it are rejected before payment.
Output
A numeric value representing the mean first-order surface gradient (slope) across the analysis grid cell covering the requested coordinate. Coordinates outside the Netherlands boundary are rejected before any payment is charged.
Example use cases
Construction site terrain assessment
“Can you get me the mean surface slope for the coordinates 52.1 latitude, 5.1 longitude in the Netherlands? I need to know how steep the terrain is before planning a building project there.”
Agricultural drainage suitability check
“What's the average land gradient at 51.85 latitude and 5.65 longitude in the Netherlands? I'm evaluating whether this farmland has enough slope for natural drainage.”
Flood risk terrain analysis
“Pull the mean first-order surface slope for latitude 52.55, longitude 4.75 in the Netherlands — I'm assessing low-gradient areas that might be prone to water pooling.”
Technical details
Endpoint
POSThttps://atlantikland.halowerk.com/v1/nl-mean-slopeWhen to prefer
Choose this endpoint when you need the mean surface terrain slope for a specific point within the Netherlands, especially for land use analysis, construction planning, hydrology, or agricultural assessments. It is purpose-built for the Netherlands with boundary validation, making it more reliable than generic global elevation APIs for Dutch coordinates.
Side effects
- Coordinate outside Netherlands boundary: request rejected before payment with a validation error
- Coordinate outside European coverage bounds (lat 34–72.5, lon -31.5–40.5): rejected at schema validation
- Malformed or missing latitude/longitude fields: schema validation error
- Payment failure via x402 protocol: request not processed
- 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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