{"uid":"cap_uIEfw-w7R6dqyuMU1zHQ9","slug":"halowerk-europe-land-terrain-ruggedness-index-250-m-buffer-942877d2","name":"HALOWERK Europe Land – Terrain Ruggedness Index (250 m Buffer)","description":"Standard deviation of sampled surface elevations. The service evaluates a circular 250 metre neighborhood around one coordinate and returns standardized units across all 30 covered countries.","url":"https://euroland.halowerk.com/v1/europe-ruggedness-buffer-250m","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":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g4_LnSXowYxgHknonDoun","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","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 surface elevations within a 250-metre circular buffer around a given coordinate, serving as a terrain ruggedness index for any location in 30 European countries.","exampleAgentPrompt":"What's the terrain ruggedness — specifically the standard deviation of surface elevations — within 250 metres of latitude 47.37, longitude 8.54 in Switzerland?","exampleUseCases":[{"title":"Site suitability for renewable energy","prompt":"I'm evaluating a wind farm site in northern Spain — can you tell me how rugged the terrain is within 250 metres of latitude 41.65, longitude -4.72? I need the elevation standard deviation."},{"title":"Flood risk terrain screening","prompt":"We're assessing flood risk for a location in the Netherlands at latitude 52.09, longitude 5.12 — can you check the terrain ruggedness index using the 250 m buffer elevation data?"},{"title":"Agricultural land assessment","prompt":"Can you check how variable the terrain is around latitude 50.06, longitude 19.94 in Poland? We need the surface elevation standard deviation within 250 metres for a precision farming study."}],"resultDescription":"A numeric value representing the standard deviation of sampled surface elevations within a 250-metre circular neighborhood around the supplied coordinate, expressed in standardized units and covering 30 European countries.","failureModes":["Coordinates outside European coverage bounds (latitude 34–72.5, longitude −31.5–40.5) will return an error or out-of-bounds response","Malformed or missing latitude/longitude values cause a validation error","Payment failure (x402 protocol) results in a 402 response with no data returned","Coordinates over open ocean or non-covered territories may return null or zero values"],"whenToPreferThis":"Choose this endpoint when you need a fast, point-based terrain ruggedness metric for any location across Europe and the 250-metre neighborhood scale is appropriate — ideal for local site assessments, infrastructure siting, and ecological characterization where hyper-local topographic variability matters more than broad landscape-level slope.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:43:31.873Z","isFirstParty":false}