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HALOWERK Baltic Land – Local Relief (Poland)
x402
HALOWERK Baltic Land – Local Relief (Poland) is a paid API for AI agents from baltikum.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).
Returns the local surface relief (difference between maximum and minimum sampled elevation) for a coordinate point within Poland.
Price / call$0.003
Success—
StatusUnknown
How this service works
Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Poland; results outside it are rejected before payment.
Output
A numeric value representing the local relief in meters — the difference between the maximum and minimum sampled surface elevation within the analysis grid centered on the queried coordinate. Coordinates outside Poland's boundary are rejected before processing.
Example use cases
Flood risk terrain assessment
“I need to know how much the elevation varies around 50.061° N, 19.937° E near Kraków in Poland — give me the local relief so I can assess flood risk in that area.”
Agricultural land suitability check
“Can you get the local surface relief for a farm plot at 52.406° N, 16.925° E near Poznań, Poland? I want to understand how hilly or flat the terrain is before planning drainage.”
Hiking trail roughness evaluation
“I'm planning a hiking route and need the local terrain relief at 49.299° N, 19.949° E in the Tatra foothills in Poland — how much elevation variation is there at that point?”
Technical details
Endpoint
POSThttps://baltikum.halowerk.com/v1/pl-local-reliefWhen to prefer
Use this endpoint when you need point-level local terrain relief specifically within Poland, validated against official boundaries. It is ideal for geospatial enrichment pipelines, land assessment tools, or any agent workflow that needs a quick, pay-per-call terrain roughness metric without standing up your own DEM analysis. Prefer it over general-purpose elevation APIs when you need the relief range (max minus min) rather than absolute elevation, and when your coordinates are confirmed to be within Poland.
Side effects
- Coordinate outside Poland boundary: request rejected before payment with a validation error
- Coordinate within European coverage but outside Poland: rejected by Natural Earth boundary check
- Malformed latitude/longitude (out of range): 400-level validation error
- Latitude or longitude missing from request body: schema validation failure
- Service temporarily unavailable: 5xx error with no relief value returned
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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