{"uid":"cap_Z8BEmuLEevxsup9OCbAm4","slug":"halowerk-nordic-land-sweden-maximum-surface-slope-bffa67b8","name":"HALOWERK Nordic Land – Sweden Maximum Surface Slope","description":"Maximum adjacent-cell surface gradient across the analysis grid. 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-max-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_S5qBy9chYij4yYN4eRrr6","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 maximum adjacent-cell surface gradient (slope) for a given coordinate within Sweden's boundary, computed across an analysis grid.","exampleAgentPrompt":"What's the maximum surface slope at latitude 59.33, longitude 18.07 in Sweden? I need the steepest adjacent-cell gradient across the analysis grid for that location.","exampleUseCases":[{"title":"Construction site slope screening","prompt":"I'm evaluating a plot in Sweden at lat 63.82, lon 20.26 — can you tell me the maximum surface slope there so I can assess whether it's too steep for building?"},{"title":"Agricultural suitability check","prompt":"I need to know the maximum terrain gradient at coordinates 57.70 latitude, 12.00 longitude in Sweden for a farmland suitability report — can you pull the slope data?"},{"title":"Renewable energy site assessment","prompt":"We're scouting a wind turbine site near lat 65.58, lon 22.15 in Sweden — what's the maximum adjacent-cell surface slope there so we can flag any terrain stability concerns?"}],"resultDescription":"A numeric value representing the maximum adjacent-cell surface gradient (slope) computed across the analysis grid for the validated Swedish coordinate. Coordinates outside Sweden's Natural Earth boundary are rejected before any charge is applied.","failureModes":["Coordinate outside Sweden's Natural Earth boundary — request rejected, no charge incurred","Latitude or longitude out of the published European coverage range (lat 34–72.5, lon -31.5–40.5) — validation error","Missing required latitude or longitude fields — schema validation error","Payment failure via x402 protocol — request not processed"],"whenToPreferThis":"Choose this endpoint when you need maximum surface slope (steepest adjacent-cell gradient) specifically for a coordinate within Sweden, validated against the Natural Earth Sweden boundary. Prefer it over generic elevation APIs when you need pre-computed terrain gradient rather than raw elevation, and when Sweden-specific boundary validation and pay-per-call pricing ($0.003 USDC) are acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:41:25.382Z","isFirstParty":false}