{"uid":"cap_1J9a-fTVWEZikS1Mi59if","slug":"halowerk-nordic-land-mean-surface-slope-norway-909c958a","name":"HALOWERK Nordic Land – Mean Surface Slope (Norway)","description":"Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Norway; results outside it are rejected before payment.","url":"https://nordland.halowerk.com/v1/no-mean-slope","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_Kk3CuJ6jHSgVgoqbGxaO2","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) across an analysis grid cell for a given coordinate within Norway.","exampleAgentPrompt":"What's the mean surface slope at latitude 60.3 and longitude 8.5 in Norway — I need the terrain gradient for that location.","exampleUseCases":[{"title":"Agricultural land suitability assessment","prompt":"I'm evaluating a parcel of land near Lillehammer in Norway — can you get me the mean surface slope at latitude 61.1, longitude 10.5? I need to know if the terrain is too steep for farming."},{"title":"Hiking trail difficulty estimation","prompt":"For a trail planning project, can you look up the mean terrain slope at latitude 60.6, longitude 7.2 in Norway? I want to estimate how challenging that section of terrain is."},{"title":"Construction site feasibility check","prompt":"We're scoping a building project in western Norway — can you give me the mean surface gradient at coordinates 58.8 latitude, 5.7 longitude to assess slope-related construction challenges?"}],"resultDescription":"A numeric value representing the mean first-order surface gradient (slope) computed across the analysis grid for the specified Norwegian coordinate. Coordinates outside the Norway boundary are rejected before payment is processed.","failureModes":["Coordinate outside Norway boundary — rejected before payment with a validation error","Latitude or longitude outside the published European coverage range (lat 34–72.5, lon -31.5–40.5) — input validation failure","Malformed or missing latitude/longitude fields — schema validation error","Server-side computation error for edge-case grid cells near coastlines or borders"],"whenToPreferThis":"Use this endpoint when you need a per-point mean terrain slope value specifically within Norway. It is preferable when you need a lightweight, single-coordinate slope lookup rather than a full DEM analysis, and when boundary validation against Norway's Natural Earth boundary is required to ensure data relevance. Pair with sibling endpoints (max slope, elevation std dev) for a richer terrain profile.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:10:24.647Z","isFirstParty":false}