{"uid":"cap_eP3AGj7xRfWM9XIXoJhWw","slug":"halowerk-nordic-land-sweden-surface-aspect-c6b07794","name":"HALOWERK Nordic Land – Sweden Surface Aspect","description":"Circular direction of the dominant surface gradient, clockwise from north. The coordinate is validated against the Natural Earth boundary for Sweden; results outside it are rejected before payment.","url":"https://nordland.halowerk.com/v1/se-aspect","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_8OMEeUqEPIjxL3pIoEutr","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 circular direction of the dominant surface gradient (aspect) at a given coordinate within Sweden, measured clockwise from north in degrees.","exampleAgentPrompt":"What direction does the slope face at latitude 63.2 longitude 18.4 in Sweden — give me the aspect angle clockwise from north.","exampleUseCases":[{"title":"Solar panel siting for Swedish farm","prompt":"I'm evaluating a field in Sweden near latitude 57.7, longitude 14.9 — can you tell me what direction the terrain faces there so I can assess solar exposure for panel installation?"},{"title":"Forest harvest slope orientation","prompt":"For a logging site in northern Sweden at latitude 65.1, longitude 17.3, I need to know which direction the dominant slope faces — clockwise from north please."},{"title":"Hydrological flow direction modelling","prompt":"Give me the surface aspect at latitude 59.9, longitude 16.5 in Sweden so I can determine the likely runoff direction for a watershed model."}],"resultDescription":"A numeric value representing the dominant surface gradient direction in degrees, measured clockwise from north (0–360°), for the specified coordinate within Sweden. Coordinates outside Sweden's Natural Earth boundary are rejected before any charge is made.","failureModes":["Coordinate outside Sweden's Natural Earth 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) — rejected with input validation error","No-data areas (e.g. flat terrain with undefined aspect) may return null or a special code","Network timeout or service unavailability returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need terrain aspect (slope-facing direction) specifically for coordinates within Sweden. It is pre-validated against Sweden's boundary so charges are only incurred for valid in-country queries. Prefer it over generic DEM APIs when working in a Nordic/Scandinavian geospatial pipeline that already uses HALOWERK's suite of soil and terrain endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T07:02:34.279Z","isFirstParty":false}