{"uid":"cap_iDACT7T7cbjYblKrxoN9V","slug":"halowerk-eastern-land-romania-mean-slope-58f94e5d","name":"HALOWERK Eastern Land – Romania Mean Slope","description":"Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected before payment.","url":"https://ostland.halowerk.com/v1/ro-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_7AUhwp79fJJScxgPBLm8I","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 coordinate within Romania.","exampleAgentPrompt":"What's the mean terrain slope at latitude 45.73, longitude 24.15 in Romania? I need the average surface gradient for that location.","exampleUseCases":[{"title":"Agricultural suitability assessment in Romania","prompt":"I'm evaluating farmland near Sibiu — can you check the mean terrain slope at latitude 45.8, longitude 24.15 in Romania? I need to know if it's suitable for mechanized farming."},{"title":"Renewable energy site screening","prompt":"We're scouting solar panel locations in Romania. What's the average surface slope at latitude 44.5, longitude 26.1? Flat terrain is ideal for our installations."},{"title":"Flood risk and runoff modeling","prompt":"For a hydrology study near Cluj, can you pull the mean slope value for latitude 46.77, longitude 23.6 in Romania? I need it to estimate water runoff tendency."}],"resultDescription":"A numeric value representing the mean first-order surface gradient (slope) across the analysis grid cell covering the requested Romanian coordinate. Coordinates outside Romania's Natural Earth boundary are rejected before any charge is applied.","failureModes":["Coordinate outside Romania boundary – request rejected with a geographic validation error before payment","Coordinate within European coverage range but outside Romania – rejected by Natural Earth boundary check","Missing or malformed latitude/longitude – returns a schema validation error","Coordinate at edge of coverage grid with insufficient surrounding data – may return null or an error"],"whenToPreferThis":"Use this endpoint when you need mean terrain slope specifically for locations within Romania and require boundary-validated, pay-per-call geospatial data. Prefer it over generic elevation APIs when you need the average first-order gradient (not max or directional slope) and when Romania-specific validation is important for data quality assurance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:51:53.745Z","isFirstParty":false}