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HALOWERK Baltic Land – Estonia Maximum Surface Slope
x402
HALOWERK Baltic Land – Estonia Maximum Surface Slope 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 maximum adjacent-cell surface gradient (steepest slope) at a given coordinate within Estonia's boundaries.
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 Estonia; results outside it are rejected before payment.
Output
A numeric value representing the maximum adjacent-cell surface slope gradient (steepest local terrain angle or rise-over-run) at the queried coordinate within Estonia. Coordinates outside Estonia's Natural Earth boundary are rejected before any charge is made.
Example use cases
Construction site slope feasibility check
“Can you get me the maximum terrain slope at latitude 59.4370, longitude 24.7536 in Estonia? I need to know how steep the land is before we plan a building foundation there.”
Flood risk terrain assessment
“What's the steepest surface gradient at coordinates 57.8489, 27.0170 in Estonia? We're evaluating how quickly water would run off at this location.”
Agricultural land suitability screening
“Check the maximum slope at latitude 58.9500, longitude 25.5500 in Estonia — we need to know if the terrain is too steep for mechanized farming equipment.”
Technical details
Endpoint
POSThttps://baltikum.halowerk.com/v1/ee-max-slopeWhen to prefer
Use this endpoint when you need point-level maximum terrain slope data specifically within Estonia. It is ideal for geospatial enrichment pipelines, site feasibility studies, agricultural suitability assessments, or hydrological modeling where Estonia-validated slope data is required. Prefer it over generic DEM APIs when boundary validation and per-query micropayment pricing are acceptable and Estonia coverage is sufficient.
Side effects
- Coordinate outside Estonia's Natural Earth boundary — request rejected with validation error before payment
- Latitude or longitude outside the published European coverage bounds (lat 34–72.5, lon -31.5–40.5) — schema validation error
- Missing required latitude or longitude field — request returns validation/bad request error
- Network or service timeout — transient error, retry recommended
- Payment failure via x402 protocol — request not processed
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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