{"uid":"cap_Ik0aSUo1DpC7LvhkFfUl5","slug":"halowerk-central-land-austria-maximum-surface-slope-5196fb53","name":"HALOWERK Central Land – Austria Maximum Surface Slope","description":"Maximum adjacent-cell surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Austria; results outside it are rejected before payment.","url":"https://mitteleuropa.halowerk.com/v1/at-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_Xw8_3E178jyS6PW_hp8Pc","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 across an analysis grid for a given coordinate within Austria, derived from terrain elevation data.","exampleAgentPrompt":"What's the maximum surface slope at latitude 47.3, longitude 13.5 in Austria? I need the steepest adjacent-cell gradient for that terrain point.","exampleUseCases":[{"title":"Alpine site suitability assessment","prompt":"I'm evaluating a site near latitude 47.1, longitude 12.8 in Austria for construction — can you get the maximum terrain slope at that coordinate so I can assess slope risk?"},{"title":"Ski run steepness check","prompt":"What's the maximum slope gradient at latitude 47.5, longitude 12.95 in Austria? I want to see how steep the terrain is for a potential ski route."},{"title":"Erosion risk screening","prompt":"For a land parcel at latitude 48.1, longitude 14.3 in Austria, calculate the maximum adjacent-cell surface slope so I can evaluate erosion risk for the agricultural report."}],"resultDescription":"A numerical value representing the maximum adjacent-cell surface gradient (slope) across the analysis grid centered on the queried coordinate within Austria. Coordinates outside the Austrian Natural Earth boundary are rejected before the payment is processed.","failureModes":["Coordinate outside Austria's Natural Earth boundary — rejected before payment with a validation error","Latitude or longitude outside the European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation error","Malformed or missing latitude/longitude parameters — request rejected with input error","Service unavailable or upstream DEM data error — may return a 5xx error"],"whenToPreferThis":"Use this endpoint when you need the maximum (peak) surface slope value at a specific point within Austria, as opposed to mean slope or elevation. It is ideal for steepness-focused analyses such as construction suitability, erosion risk, or terrain hazard assessment. Prefer it over mean-slope sibling endpoints when the worst-case gradient matters more than the average.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:43:31.872Z","isFirstParty":false}