{"uid":"cap_L32BiS4WVM2RAszh4owUH","slug":"halowerk-baltic-land-mean-surface-slope-germany-15740837","name":"HALOWERK Baltic Land – Mean Surface Slope (Germany)","description":"Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Germany; results outside it are rejected before payment.","url":"https://baltikum.halowerk.com/v1/de-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_AIHQMFVw8xuNwFO0DGzBc","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 slope gradient across an analysis grid cell for a given WGS84 coordinate within Germany.","exampleAgentPrompt":"What is the mean surface slope at latitude 52.52, longitude 13.41 in Germany? I need the terrain gradient for that location.","exampleUseCases":[{"title":"Site suitability for solar farm","prompt":"Can you check the average terrain slope at latitude 51.3, longitude 12.4 in Germany? I need to know how flat the land is before evaluating it for a solar farm installation."},{"title":"Flood risk terrain pre-screening","prompt":"What's the mean surface gradient at lat 53.55, lon 9.99 in Germany? I'm doing a flood risk assessment and need to understand the slope of the terrain there."},{"title":"Agricultural land characterization","prompt":"Get me the mean slope value for the location at latitude 48.13, longitude 11.58 in Germany — I'm building a soil and terrain profile for agricultural planning purposes."}],"resultDescription":"A numeric value representing the mean first-order surface slope gradient (steepness) computed across an analysis grid centered on the requested coordinate. Coordinates outside Germany's Natural Earth boundary are rejected before any payment is charged.","failureModes":["Coordinate outside Germany boundary: rejected before payment, returns error indicating invalid location","Coordinate outside European coverage range (lat 34–72.5, lon -31.5–40.5): schema validation failure","Missing or malformed latitude/longitude: request validation error","Service unavailable: HTTP 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a precise mean surface slope metric for a specific point in Germany, particularly for terrain analysis, site assessment, agricultural planning, or environmental modeling workflows. It is especially useful when Germany-specific validation is required and you want to avoid charges for out-of-bounds coordinates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:52:41.125Z","isFirstParty":false}