{"uid":"cap_ky2Bno8-bGrE3AfmvxeAg","slug":"halowerk-eastern-land-hungary-maximum-slope-4f1fffad","name":"HALOWERK Eastern Land – Hungary Maximum Slope","description":"Maximum adjacent-cell surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Hungary; results outside it are rejected before payment.","url":"https://ostland.halowerk.com/v1/hu-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_THut5DUZi0M9DMnR7NWpR","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 the analysis grid for a given coordinate within Hungary.","exampleAgentPrompt":"What's the maximum terrain slope gradient at latitude 47.3 and longitude 19.1 in Hungary — I need the steepest adjacent-cell surface gradient for that location.","exampleUseCases":[{"title":"Agricultural land suitability assessment","prompt":"I'm evaluating a plot in Hungary for farming — can you get me the maximum slope gradient at latitude 46.9, longitude 18.4? I need to know how steep the terrain is before deciding if it's suitable."},{"title":"Construction site terrain risk screening","prompt":"We're looking at a potential construction site near coordinates 47.8 latitude, 20.5 longitude in Hungary — what's the maximum surface slope there so we can assess erosion and stability risk?"},{"title":"Hiking trail difficulty mapping","prompt":"I'm planning a hiking route through Hungary and need to know the steepest terrain gradient near latitude 47.5, longitude 19.8 — can you pull the maximum slope for that spot?"}],"resultDescription":"A numerical value representing the maximum adjacent-cell surface gradient (steepest slope angle or ratio) across the analysis grid centered on the provided coordinate. The coordinate is validated against Hungary's Natural Earth boundary; requests outside Hungary are rejected before any charge is applied.","failureModes":["Coordinate outside Hungary boundary: rejected before payment with a boundary validation error","Latitude or longitude outside European coverage range (lat 34–72.5, lon -31.5–40.5): schema validation error","Missing required latitude or longitude parameter: request rejected with a validation error","Network or service timeout: no result returned, no charge"],"whenToPreferThis":"Choose this endpoint when you need the maximum (steepest) slope value specifically for a location in Hungary and want coordinate boundary pre-validation before incurring any cost. Prefer this over generic elevation APIs when you need the maximum adjacent-cell gradient metric specifically, and over regional European terrain APIs when you need Hungary-specific validation guarantees.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:13:11.103Z","isFirstParty":false}