{"uid":"cap_b8lj-qF8szBP6M1gA75uc","slug":"halowerk-atlantic-land-luxembourg-terrain-ruggedness-index-d6900162","name":"HALOWERK Atlantic Land – Luxembourg Terrain Ruggedness Index","description":"Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for Luxembourg; results outside it are rejected before payment.","url":"https://atlantikland.halowerk.com/v1/lu-ruggedness","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"latitude":{"type":"number","maximum":72.5,"minimum":34,"description":"WGS84 latitude inside the published European coverage."},"longitude":{"type":"number","maximum":40.5,"minimum":-31.5,"description":"WGS84 longitude inside the published European coverage."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4afSfaAHUEQQjAzv71oTu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the standard deviation of sampled surface elevations (terrain ruggedness) for a WGS84 coordinate validated within Luxembourg's boundaries.","exampleAgentPrompt":"What's the terrain ruggedness index for the location at latitude 49.75, longitude 6.17 in Luxembourg — I need the standard deviation of surface elevations there for a site suitability assessment.","exampleUseCases":[{"title":"Construction site terrain feasibility check","prompt":"I'm evaluating a plot in Luxembourg at coordinates 49.61° N, 6.13° E — can you pull the terrain ruggedness score there so I know whether the ground elevation variability might complicate building?"},{"title":"Rural land investment risk screening","prompt":"Before we make an offer on a rural parcel in Luxembourg near latitude 49.83, longitude 6.38, can you check how rugged the terrain is? I need the elevation standard deviation to estimate earthwork costs."},{"title":"Hiking trail difficulty estimation","prompt":"I'm planning a trail segment in Luxembourg starting around 49.70 N, 6.25 E — what's the terrain ruggedness index there so I can estimate how challenging the elevation changes will be?"}],"resultDescription":"A numeric value representing the standard deviation of sampled surface elevations at the given coordinate, indicating terrain ruggedness. If the coordinate falls outside the Luxembourg boundary, the request is rejected before any charge is incurred.","failureModes":["Coordinate outside Luxembourg's Natural Earth boundary — request rejected, no charge","Latitude or longitude out of published European coverage range — validation error","Missing required latitude or longitude parameter — schema validation error","Network or server error returning HTTP 5xx"],"whenToPreferThis":"Choose this endpoint when you need a quantitative measure of terrain roughness or elevation variability at a specific point within Luxembourg, particularly for land assessments, infrastructure planning, or environmental analysis. It is distinct from slope or gradient endpoints (which measure directional change) and runoff tendency endpoints (which combine multiple factors); this endpoint focuses purely on elevation standard deviation as a ruggedness proxy.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:54:07.798Z","isFirstParty":false}