{"uid":"cap_grrNBZyhVY9NklJ0_ybmW","slug":"halowerk-southern-land-portugal-terrain-ruggedness-elevation-std-dev-614a5bf9","name":"HALOWERK Southern Land – Portugal Terrain Ruggedness (Elevation Std Dev)","description":"Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.","url":"https://suedland.halowerk.com/v1/pt-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_HkK2Fi0nXMH0JdJfgxg2O","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 WGS84 coordinate in Portugal, quantifying terrain ruggedness at that location.","exampleAgentPrompt":"What's the terrain ruggedness score — the standard deviation of surface elevations — for the coordinate 37.8° latitude, -8.5° longitude in Portugal?","exampleUseCases":[{"title":"Agricultural site suitability in Portugal","prompt":"I'm evaluating a plot of land near latitude 39.5, longitude -8.0 in Portugal for farming — can you tell me how rugged or flat the terrain is there based on the elevation standard deviation?"},{"title":"Renewable energy prospecting","prompt":"We're scouting a wind farm location in Portugal at 40.2 latitude, -7.6 longitude — what's the terrain ruggedness score at that point so we can assess installation complexity?"},{"title":"Hiking trail difficulty assessment","prompt":"For a trail planning project, I need the elevation variability at 37.1 latitude, -8.2 longitude in Portugal — give me the standard deviation of surface elevations there."}],"resultDescription":"A numeric value representing the standard deviation of sampled surface elevations at the specified coordinate within Portugal. Higher values indicate more rugged, heterogeneous terrain; lower values indicate flat or uniform terrain. Returns an error or rejection if the coordinate falls outside the Natural Earth boundary for Portugal.","failureModes":["Coordinate outside Portugal's Natural Earth boundary — request rejected before payment is processed","Latitude or longitude out of the published European coverage range (lat 34–72.5, lon -31.5–40.5) — validation error","Malformed or missing coordinate fields — schema validation error","Payment failure via x402 protocol — request not fulfilled"],"whenToPreferThis":"Choose this endpoint when you need a point-specific terrain ruggedness metric for a location in Portugal, particularly for land assessment, agricultural suitability, infrastructure planning, or ecological analysis. It is pre-validated against Portugal's official boundary, reducing the need for client-side geographic filtering. Prefer it over generic elevation APIs when you specifically need variability/ruggedness rather than raw elevation, and when your workflow is scoped to Portuguese territory.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:13:26.150Z","isFirstParty":false}