{"uid":"cap_OOeUHEbP1BCSuroMtbxtt","slug":"halowerk-baltic-land-maximum-surface-slope-latvia-2d10a70b","name":"HALOWERK Baltic Land – Maximum Surface Slope (Latvia)","description":"Maximum adjacent-cell 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-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_zOgkNzbHTf1sQnnTiV7Kv","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 (steepest slope) across a local analysis grid for a given WGS84 coordinate within Latvia.","exampleAgentPrompt":"What's the maximum surface slope at latitude 56.95 and longitude 24.11 in Latvia? I need the steepest adjacent-cell gradient for that location.","exampleUseCases":[{"title":"Construction site terrain assessment","prompt":"I'm evaluating a plot in Latvia at latitude 57.23, longitude 25.42 — can you tell me the maximum slope across that area so I can assess if it's suitable for building?"},{"title":"Landslide risk pre-screening","prompt":"We're doing a risk assessment for a site near Sigulda, Latvia — latitude 57.15, longitude 24.87. What's the steepest surface gradient there? We need it to flag any slope-related hazards."},{"title":"Agricultural land suitability check","prompt":"I'm looking at farmland in Latvia at coordinates 56.72 latitude, 26.34 longitude. Can you give me the maximum slope at that location so I can see if it's too steep for machinery?"}],"resultDescription":"A numeric value representing the maximum adjacent-cell surface gradient (steepest slope metric) across the analysis grid centered on the input coordinate. Only coordinates falling within the Natural Earth boundary for Latvia are accepted; out-of-bounds requests are rejected before any charge is incurred.","failureModes":["Coordinate outside Latvia boundary — rejected with a geographic validation error before payment","Latitude or longitude outside the published European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation error","Missing or malformed latitude/longitude — request rejected with input validation error","Network or service unavailability — HTTP 5xx response"],"whenToPreferThis":"Use this endpoint when you specifically need the maximum surface gradient (steepest slope) at a precise geographic coordinate within Latvia, particularly for terrain suitability assessments, risk screening, or geospatial data enrichment workflows. Prefer it over general-purpose DEM APIs when you need a pre-validated, Latvia-scoped result with pay-per-call pricing and no subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:46:59.204Z","isFirstParty":false}