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HALOWERK Nordic Land – Terrain Ruggedness (Iceland)
x402
HALOWERK Nordic Land – Terrain Ruggedness (Iceland) 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 standard deviation of sampled surface elevations as a terrain ruggedness index for a WGS84 coordinate within Iceland's boundary.
Price / call$0.003
Success—
StatusUnknown
How this service works
Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for Iceland; results outside it are rejected before payment.
Output
A numeric value representing the standard deviation of sampled surface elevations at the given coordinate, serving as a terrain ruggedness index. Coordinates outside Iceland's Natural Earth boundary are rejected before the computation and payment is not charged.
Example use cases
Hiking route terrain assessment
“I'm planning a hiking route across Iceland near latitude 65.2, longitude -16.8 — can you tell me how rugged the terrain is there? I need the elevation standard deviation to gauge how challenging it'll be.”
Drone flight path safety check
“Before we fly a drone survey mission over Iceland at coordinates 63.9 latitude, -22.4 longitude, can you check how variable the surface elevation is there so we know if the terrain is too rough?”
Infrastructure site suitability analysis
“We're evaluating a site in Iceland at latitude 66.1, longitude -23.0 for placing a communications tower — can you pull the terrain ruggedness index so we know how uneven the ground is?”
Technical details
Endpoint
POSThttps://nordland.halowerk.com/v1/is-ruggednessWhen to prefer
Choose this endpoint when you need a precise, pay-per-call terrain ruggedness metric (elevation standard deviation) for a specific point within Iceland, especially when working within an agentic pipeline that already handles x402 micropayments. It is purpose-built for Iceland coordinates with boundary validation, making it more reliable than general-purpose DEM APIs that may not enforce geographic scope or charge only for valid results.
Side effects
- Coordinate outside Iceland's Natural Earth boundary — request rejected before payment, error returned
- Latitude or longitude out of the accepted European coverage range (lat 34–72.5, lon -31.5–40.5) — validation error
- Malformed input (missing or non-numeric coordinates) — schema validation error
- Service unavailable or timeout — HTTP 5xx response
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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