{"uid":"cap_ehy2exqI3i_B4FLRFsUdd","slug":"halowerk-baltic-land-mean-surface-slope-latvia-53146274","name":"HALOWERK Baltic Land – Mean Surface Slope (Latvia)","description":"Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Latvia; results outside it are rejected before payment.","url":"https://baltikum.halowerk.com/v1/lv-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_sN_c0NEk4GYOhArjeTqAL","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 WGS84 coordinate within Latvia.","exampleAgentPrompt":"What's the mean surface slope at latitude 56.95 and longitude 24.11 in Latvia? I need the average terrain gradient for that location.","exampleUseCases":[{"title":"Construction site terrain assessment","prompt":"I'm evaluating a potential construction site near Riga at latitude 56.92, longitude 24.08 — can you get me the mean surface slope there so I know how steep the terrain is?"},{"title":"Agricultural land suitability screening","prompt":"I need to check the average slope of farmland at coordinates 57.15 north, 25.30 east in Latvia — is it flat enough for mechanized farming?"},{"title":"Flood risk and drainage planning","prompt":"For a drainage engineering project at latitude 56.65, longitude 23.72 in Latvia, what's the mean first-order surface gradient at that point?"}],"resultDescription":"A numeric value representing the mean first-order surface gradient (slope) computed across the analysis grid cell containing the specified coordinate. Coordinates outside Latvia's Natural Earth boundary are rejected before any payment is charged.","failureModes":["Coordinate outside Latvia boundary — request rejected with a validation error before payment","Coordinate within European coverage range but outside Latvia — rejected by boundary check","Missing or malformed latitude/longitude fields — request returns a schema validation error","Coordinate at an extreme or edge of the Latvian boundary — may return null or edge-case value","Network timeout or service unavailability — request fails without charge"],"whenToPreferThis":"Choose this endpoint when you need the mean terrain slope (first-order surface gradient) for a specific point in Latvia, especially for geospatial analysis, land suitability assessment, drainage modeling, or environmental studies. It is tightly scoped to Latvia (Natural Earth boundary validated) and charges only $0.003 USDC per call, making it cost-effective for batch coordinate lookups. Prefer sibling endpoints on the same host for maximum slope, ruggedness, or other terrain/soil attributes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:09:13.947Z","isFirstParty":false}