{"uid":"cap_xhPoCuP_i15S_PYj6K6IT","slug":"halowerk-europe-land-mean-slope-1000m-buffer-37342f54","name":"HALOWERK Europe Land – Mean Slope 1000m Buffer","description":"Mean first-order surface gradient across the analysis grid. 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-mean-slope-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_zvJ9JQq_h65l8etqbi42F","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":"Computes the mean first-order surface gradient (slope) within a 1,000-metre circular buffer around a given European coordinate using terrain analysis data.","exampleAgentPrompt":"What's the mean terrain slope within 1 kilometre of latitude 48.1351, longitude 11.5820 in Europe?","exampleUseCases":[{"title":"Solar farm site suitability screening","prompt":"Can you check the mean terrain slope within 1km of latitude 41.3851, longitude 2.1734 in Spain? I need to know if the land is flat enough for a solar installation."},{"title":"Agricultural land assessment","prompt":"What's the average slope gradient around latitude 51.5074, longitude -0.1278 in the UK within a 1000-metre radius? I'm evaluating whether this farmland is suitable for mechanised crop harvesting."},{"title":"Infrastructure routing pre-check","prompt":"I'm planning a road corridor near latitude 48.8566, longitude 2.3522 in France — can you get me the mean surface slope for the 1km area around that point so I know how steep the terrain is?"}],"resultDescription":"Returns the mean first-order surface gradient (slope) computed over a 1,000-metre circular neighbourhood centred on the supplied coordinate, expressed in standardized units. Coverage spans 30 European countries within WGS84 latitude 34–72.5° and longitude -31.5–40.5°.","failureModes":["Coordinate outside European coverage bounds (latitude not in 34–72.5, longitude not in -31.5–40.5) returns an error","Invalid or missing latitude/longitude fields return a validation error","Payment failure or insufficient USDC balance prevents call completion","Server-side data gap for remote or coastal edge areas may yield null or degraded result"],"whenToPreferThis":"Choose this endpoint when you need a spatially averaged slope metric for a 1km radius around a single European coordinate, particularly for site suitability assessments, infrastructure planning, agricultural analysis, or environmental modelling. Prefer it over smaller-radius sibling endpoints (e.g. 60m or 250m buffers) when regional-scale terrain context matters more than hyper-local gradient variation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:51:53.407Z","isFirstParty":false}