{"uid":"cap_OsmUZ2FYjLqB8PMu45zGC","slug":"halowerk-baltic-land-terrain-ruggedness-standard-deviation-poland-3c8a0033","name":"HALOWERK Baltic Land – Terrain Ruggedness Standard Deviation (Poland)","description":"Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for Poland; results outside it are rejected before payment.","url":"https://baltikum.halowerk.com/v1/pl-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_Xjuhq9X7SwMpUJejT-eJm","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 for a given coordinate within Poland, quantifying local terrain ruggedness.","exampleAgentPrompt":"What's the terrain ruggedness standard deviation at latitude 50.06 and longitude 19.94 in Poland? I need the elevation variability for that coordinate.","exampleUseCases":[{"title":"Construction site terrain assessment","prompt":"Can you get the elevation standard deviation for the site at latitude 52.23, longitude 21.01 in Poland? I need to know how rugged the terrain is before we plan the groundwork."},{"title":"Wind farm suitability screening","prompt":"What's the terrain ruggedness at latitude 54.35, longitude 18.65 in Poland — I need the elevation variability to check whether the surface is smooth enough for turbine placement."},{"title":"Flood risk terrain profiling","prompt":"Get me the surface elevation standard deviation for latitude 51.1, longitude 17.03 in Poland — I'm trying to understand how uneven the terrain is around that catchment area."}],"resultDescription":"A numeric value representing the standard deviation of sampled surface elevation values within the analysis grid around the given coordinate. Higher values indicate more rugged, heterogeneous terrain; the coordinate is first validated to fall within Poland's Natural Earth boundary before the computation is returned.","failureModes":["Coordinate outside Poland boundary: request is rejected before processing (validation failure, no charge)","Coordinate outside overall European coverage range: rejected by input schema validation","Missing latitude or longitude parameters: request fails with validation error","Network or service unavailability: HTTP 5xx or timeout","Payment failure via x402 protocol: request not processed"],"whenToPreferThis":"Choose this endpoint when you need a statistical measure of terrain heterogeneity (standard deviation of elevation samples) specifically for locations within Poland. It is distinct from range-based ruggedness (max–min elevation difference) and slope-gradient metrics available on the same platform. Prefer this for applications where variance-based roughness is needed, such as ecological modeling, infrastructure siting, or hydrological analysis within Poland.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:58:14.782Z","isFirstParty":false}