{"uid":"cap_fEx8rTzonOBeBafoThk3S","slug":"halowerk-europe-land-local-relief-range-250m-buffer-47d2a18f","name":"HALOWERK Europe Land – Local Relief Range (250m Buffer)","description":"Difference between maximum and minimum sampled surface elevation. 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-local-relief-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_2edNwNhn0AaWdwSt6S65N","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 local relief range (max minus min surface elevation) within a 250-metre circular neighbourhood around a given European coordinate.","exampleAgentPrompt":"What's the local relief range — the difference between the highest and lowest elevation — within 250 metres of latitude 48.8566, longitude 2.3522 in Europe?","exampleUseCases":[{"title":"Site suitability for solar farm","prompt":"I'm evaluating a potential solar farm site near latitude 41.3851, longitude 2.1734 in Spain — can you tell me the elevation range within 250 metres of that point so I can assess how flat the terrain is?"},{"title":"Flood risk terrain assessment","prompt":"We're assessing flood risk for a property at latitude 51.5074, longitude -0.1278 in the UK — what's the local relief range within 250 metres to understand how much the land rises or drops nearby?"},{"title":"Hiking trail difficulty estimation","prompt":"I want to know how rugged the terrain is around latitude 47.3769, longitude 8.5417 in Switzerland — can you get the elevation difference between the highest and lowest point within 250 metres of that location?"}],"resultDescription":"A single numeric value representing the difference (in standardized units) between the maximum and minimum sampled surface elevation within a 250-metre circular buffer around the provided coordinate, covering any of 30 European countries.","failureModes":["Coordinate outside European coverage bounds (latitude 34–72.5, longitude -31.5–40.5) returns an error","Invalid or non-numeric latitude/longitude values cause a validation error","Point falling in a data gap or coastal edge may return null or partial result","Payment failure via x402 protocol results in 402 response and no data returned"],"whenToPreferThis":"Choose this endpoint when you need a fast, point-specific measure of topographic roughness or local terrain variability at a single European location within a standardised 250-metre radius. It is ideal when you want a simple scalar relief index rather than a full elevation profile or DEM raster. Prefer it over larger-buffer variants when fine-grained local variation (sub-quarter-kilometre scale) is what matters for your use case.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:00:31.149Z","isFirstParty":false}