{"uid":"cap_3xfqS2GVV88UOysPtpGz6","slug":"halowerk-europe-land-mean-surface-slope-60m-point-30995fba","name":"HALOWERK Europe Land – Mean Surface Slope (60m Point)","description":"Mean first-order surface gradient across the analysis grid. The service evaluates a 60 metre local analysis grid around one coordinate and returns standardized units across all 30 covered countries.","url":"https://euroland.halowerk.com/v1/europe-mean-slope-point","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_6jl8EAE8P7LXwjRvs3vNE","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 mean first-order surface gradient (slope) in standardized units for a 60-metre analysis grid centred on a given WGS84 coordinate, covering 30 European countries.","exampleAgentPrompt":"What's the mean terrain slope at latitude 47.3, longitude 8.5 in Switzerland — I need the 60-metre local surface gradient for a site assessment?","exampleUseCases":[{"title":"Solar farm site slope check","prompt":"Can you get me the mean surface gradient at latitude 38.7, longitude -9.1 in Portugal? I need to know how steep the terrain is before approving a solar panel installation there."},{"title":"Alpine hiking trail steepness","prompt":"What's the average slope at latitude 46.5, longitude 7.9 in the Swiss Alps? I want to understand how steep that section of terrain is for a trail difficulty assessment."},{"title":"Agricultural land suitability","prompt":"Fetch the mean terrain slope at latitude 51.2, longitude 10.4 in central Germany — I need to evaluate whether the gradient is suitable for mechanised farming equipment."}],"resultDescription":"A numeric value representing the mean first-order surface slope (gradient) across a 60-metre analysis grid centred on the provided coordinate, expressed in standardized units consistent across all 30 covered European countries.","failureModes":["Coordinate outside European coverage bounds (latitude 34–72.5, longitude -31.5–40.5) returns an error or no-data response","Invalid or non-numeric latitude/longitude values cause a validation error","Coastal or offshore coordinates may fall outside land coverage and return null or error","Network timeout or service unavailability returns a 5xx error","Payment failure via x402 protocol prevents request from being processed"],"whenToPreferThis":"Use this endpoint when you need point-level terrain slope data for any location within Europe's 30-country coverage, particularly when a standardized 60-metre local analysis window is appropriate (e.g. site assessments, land planning, routing). Prefer this over global DEM APIs when European consistency and per-country standardization matter, and when sub-100m resolution slope analysis is sufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:14:44.937Z","isFirstParty":false}