{"uid":"cap_Zsx3bAp98sH9UCJbzz2h3","slug":"halowerk-baltic-land-local-relief-poland-9e9a44d4","name":"HALOWERK Baltic Land – Local Relief (Poland)","description":"Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Poland; results outside it are rejected before payment.","url":"https://baltikum.halowerk.com/v1/pl-local-relief","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_8mapXMngHogX_QNeMZg3n","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 local surface relief (difference between maximum and minimum sampled elevation) for a coordinate point within Poland.","exampleAgentPrompt":"What's the local surface relief — the difference between the highest and lowest nearby elevations — at 52.2297° N, 21.0122° E in Poland?","exampleUseCases":[{"title":"Flood risk terrain assessment","prompt":"I need to know how much the elevation varies around 50.061° N, 19.937° E near Kraków in Poland — give me the local relief so I can assess flood risk in that area."},{"title":"Agricultural land suitability check","prompt":"Can you get the local surface relief for a farm plot at 52.406° N, 16.925° E near Poznań, Poland? I want to understand how hilly or flat the terrain is before planning drainage."},{"title":"Hiking trail roughness evaluation","prompt":"I'm planning a hiking route and need the local terrain relief at 49.299° N, 19.949° E in the Tatra foothills in Poland — how much elevation variation is there at that point?"}],"resultDescription":"A numeric value representing the local relief in meters — the difference between the maximum and minimum sampled surface elevation within the analysis grid centered on the queried coordinate. Coordinates outside Poland's boundary are rejected before processing.","failureModes":["Coordinate outside Poland boundary: request rejected before payment with a validation error","Coordinate within European coverage but outside Poland: rejected by Natural Earth boundary check","Malformed latitude/longitude (out of range): 400-level validation error","Latitude or longitude missing from request body: schema validation failure","Service temporarily unavailable: 5xx error with no relief value returned"],"whenToPreferThis":"Use this endpoint when you need point-level local terrain relief specifically within Poland, validated against official boundaries. It is ideal for geospatial enrichment pipelines, land assessment tools, or any agent workflow that needs a quick, pay-per-call terrain roughness metric without standing up your own DEM analysis. Prefer it over general-purpose elevation APIs when you need the relief range (max minus min) rather than absolute elevation, and when your coordinates are confirmed to be within Poland.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:54:04.168Z","isFirstParty":false}