{"uid":"cap_7Hn_vZlxlVdGizJVm5Zuh","slug":"halowerk-eastern-land-romania-surface-ruggedness-elevation-std-dev-7fa593c5","name":"HALOWERK Eastern Land – Romania Surface Ruggedness (Elevation Std Dev)","description":"Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected before payment.","url":"https://ostland.halowerk.com/v1/ro-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_8bG09L7P8AHWF5iOEIJ4c","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 (terrain ruggedness index) for a WGS84 coordinate validated against Romania's Natural Earth boundary.","exampleAgentPrompt":"What's the terrain ruggedness at latitude 45.75, longitude 24.5 in Romania — give me the elevation standard deviation for that point.","exampleUseCases":[{"title":"Agricultural suitability screening in Romania","prompt":"I'm evaluating farmland plots in Romania — can you check the terrain ruggedness at latitude 44.2, longitude 26.1 so I know how uneven the surface is there?"},{"title":"Hiking trail difficulty assessment","prompt":"I'm planning a trail near latitude 45.5, longitude 25.0 in Romania — how rough is the terrain there based on elevation variability?"},{"title":"Infrastructure site feasibility check","prompt":"We're scoping a construction site in Romania at latitude 46.8, longitude 23.6 — can you pull the surface elevation standard deviation to understand how rugged the terrain is?"}],"resultDescription":"A numeric value representing the standard deviation of sampled surface elevations at the given coordinate, indicating terrain ruggedness. Coordinates outside Romania's Natural Earth boundary are rejected before any charge is applied.","failureModes":["Coordinate outside Romania's Natural Earth boundary — request rejected with no charge","Latitude or longitude outside European coverage bounds (34–72.5°N, -31.5–40.5°E) — validation error","Missing required latitude or longitude fields — schema validation error","Payment failure via x402 protocol — request not processed"],"whenToPreferThis":"Choose this endpoint when you need a precise, point-level terrain ruggedness metric (elevation standard deviation) specifically within Romania. It is ideal when you require boundary-validated results and are already working within the HALOWERK Eastern Land ecosystem alongside complementary metrics like slope, 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":"2026-09-15T19:01:17.175Z","isFirstParty":false}