{"uid":"cap_N174glgKxHwqwfxg9p9wp","slug":"halowerk-atlantic-land-luxembourg-maximum-surface-slope-b1338ca4","name":"HALOWERK Atlantic Land – Luxembourg Maximum Surface Slope","description":"Maximum adjacent-cell surface gradient across the analysis grid. 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-max-slope","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_uRByomG2pMtF1-wbAmmM_","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 maximum adjacent-cell surface gradient (steepest slope) across an analysis grid for a given coordinate within Luxembourg.","exampleAgentPrompt":"What is the maximum surface slope gradient at latitude 49.6116, longitude 6.1319 in Luxembourg? I need the steepest adjacent-cell terrain gradient for that location.","exampleUseCases":[{"title":"Construction site terrain suitability check","prompt":"I'm evaluating a potential construction site near Esch-sur-Alzette in Luxembourg — can you get me the maximum surface slope at latitude 49.4953, longitude 5.9806 so I can assess whether the terrain is too steep to build on?"},{"title":"Agricultural land slope risk assessment","prompt":"I need to check if the land at latitude 49.7500, longitude 6.0800 in Luxembourg is too steep for mechanized farming — what's the maximum slope gradient there?"},{"title":"Flood and runoff risk pre-screening","prompt":"For a hydrology study in Luxembourg, can you get the maximum surface gradient at latitude 49.8153, longitude 6.1296? I need the steepest slope metric to estimate runoff risk in that area."}],"resultDescription":"Returns the maximum adjacent-cell surface slope gradient value across the analysis grid centered on the submitted coordinate. The coordinate must fall within the Natural Earth boundary of Luxembourg; requests outside this boundary are rejected before any charge is applied.","failureModes":["Coordinate outside Luxembourg boundary — request rejected with validation error before payment","Latitude or longitude out of European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation failure","Malformed or missing coordinate parameters — 400-level error","Network timeout or service unavailability — 5xx error"],"whenToPreferThis":"Choose this endpoint when you need the maximum (worst-case) slope gradient at a specific location within Luxembourg, particularly for terrain ruggedness, construction feasibility, agricultural suitability, or runoff risk assessments. Use this over mean slope endpoints when the steepest local gradient matters more than the average slope — for example in safety-critical engineering or erosion studies.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:08:20.240Z","isFirstParty":false}