{"uid":"cap_PnJ8bmib8pDGLu4PsR8UZ","slug":"halowerk-europe-land-local-relief-range-1-000-m-buffer-894485d3","name":"HALOWERK Europe Land – Local Relief Range (1,000 m Buffer)","description":"Difference between maximum and minimum sampled surface elevation. The service evaluates a circular 1,000 metre neighborhood around one coordinate and returns standardized units across all 30 covered countries.","url":"https://euroland.halowerk.com/v1/europe-local-relief-buffer-1000m","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_zgfC3TGjc9btVDQcmW_gL","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 difference between maximum and minimum surface elevation (local relief range) within a 1,000-metre circular neighbourhood around a given European coordinate.","exampleAgentPrompt":"What is the local relief range — the difference between the highest and lowest elevation — within 1 kilometre of latitude 48.8566, longitude 2.3522 in Europe?","exampleUseCases":[{"title":"Site suitability for construction project","prompt":"We're evaluating a site in the Alps near latitude 47.3769, longitude 8.5417 — can you tell me how much elevation variation there is within 1 km so we can assess how flat or hilly the terrain is?"},{"title":"Agricultural land flatness assessment","prompt":"I need to know how rugged the terrain is within 1 kilometre of our farm in Spain at latitude 40.4168, longitude -3.7038 — specifically the difference between the highest and lowest elevation in that area."},{"title":"Renewable energy wind farm terrain screening","prompt":"We're screening a potential wind farm location in Denmark at latitude 56.2639, longitude 9.5018 — can you compute the local relief range within a 1,000-metre buffer to check for significant terrain obstacles?"}],"resultDescription":"A single numeric value representing the difference (in standardised elevation units, typically metres) between the maximum and minimum sampled surface elevation within a 1,000-metre circular buffer around the supplied WGS84 coordinate, covering up to 30 European countries.","failureModes":["Coordinate outside European coverage bounds (latitude 34–72.5, longitude −31.5–40.5) returns an error or null result","Missing latitude or longitude parameter causes a validation error","Coastal or border coordinates may fall partially outside covered land area, potentially reducing sample quality","Payment failure (x402 protocol) blocks the request before computation"],"whenToPreferThis":"Choose this endpoint when you need a quick, standardised measure of terrain roughness or topographic variability at a single point in Europe using a 1,000-metre analysis radius. It is ideal for site assessment, land suitability screening, or environmental modelling workflows where a circular neighbourhood analysis is appropriate. Use the 60-metre buffer sibling endpoint instead when fine-grained, highly localised relief is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:07:00.278Z","isFirstParty":false}