{"uid":"cap_lhfUqW-jcvdavEwWAAFIj","slug":"halowerk-central-land-cz-mean-slope-78eea46b","name":"HALOWERK Central Land – CZ Mean Slope","description":"Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Czechia; results outside it are rejected before payment.","url":"https://mitteleuropa.halowerk.com/v1/cz-mean-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_0qOqbXJ5gk0_V7d7dGO0e","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 mean first-order surface gradient (slope) at a given WGS84 coordinate within Czechia, derived from grid analysis.","exampleAgentPrompt":"What is the mean terrain slope at latitude 50.08 and longitude 14.44 in Czechia — I need the average first-order surface gradient for that location.","exampleUseCases":[{"title":"Construction site suitability check","prompt":"I'm evaluating a potential construction site near Prague at lat 50.05, lon 14.45 — can you get me the mean surface slope there so I know how steep the terrain is?"},{"title":"Agricultural land gradient assessment","prompt":"We're assessing farmland suitability in the Czech Republic around lat 49.19, lon 16.61 — what's the average slope of the terrain at those coordinates?"},{"title":"Hiking trail steepness lookup","prompt":"I'm planning a hiking route and want to know how steep the terrain is at lat 50.74, lon 15.74 in northern Czechia — give me the mean surface gradient for that point."}],"resultDescription":"A numeric value representing the mean first-order surface gradient (slope) across the analysis grid centered on the provided coordinate, expressed as a rate of elevation change. Coordinates outside the Czech Republic boundary are rejected before processing.","failureModes":["Coordinate outside Czechia boundary — rejected with validation error before payment","Latitude or longitude outside European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation failure","Missing required latitude or longitude parameter — request rejected","Network timeout or upstream DEM data unavailability — service error response","Payment not completed via x402 protocol — request not processed"],"whenToPreferThis":"Use this endpoint when you need a mean slope/gradient value for a specific point within Czechia and want a pay-per-call micro-payment model. Prefer this over general-purpose GIS tools when you only need slope for Czech coordinates and want low-latency, per-coordinate pricing. It is part of a suite of terrain and land-surface metrics for Central Europe, so it is well-suited for pipelines that also query elevation, aspect, or soil data for the same region.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:03:23.797Z","isFirstParty":false}