{"uid":"cap_wJKpzOhnzbUSRw1Goq1o-","slug":"halowerk-eastern-land-croatia-local-relief-c8788a61","name":"HALOWERK Eastern Land – Croatia Local Relief","description":"Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Croatia; results outside it are rejected before payment.","url":"https://ostland.halowerk.com/v1/hr-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_IV_IDPjNg8ZhbnBO0oBnc","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 relief (max minus min sampled surface elevation) for a given coordinate within Croatia's boundaries","exampleAgentPrompt":"What is the local relief — the difference between the highest and lowest surface elevations — at latitude 45.815 and longitude 15.982 in Croatia?","exampleUseCases":[{"title":"Agricultural site suitability assessment","prompt":"I'm evaluating a plot for farming near Osijek, Croatia at lat 45.55, lon 18.69 — can you tell me the local relief there so I know how flat or hilly the terrain is?"},{"title":"Hiking trail terrain roughness check","prompt":"We're planning a hiking route through the Zagorje region in Croatia, around lat 46.02, lon 15.90 — what's the local relief at that point so we can gauge how rugged the terrain is?"},{"title":"Construction land suitability screening","prompt":"Before we start a development project near Šibenik at coordinates lat 43.73, lon 15.89, can you compute the local relief to understand how variable the surface elevation is in that area?"}],"resultDescription":"A numeric value representing the difference between the maximum and minimum sampled surface elevations (local relief) at the given coordinate within Croatia. Coordinates outside Croatia's Natural Earth boundary are rejected before any payment is charged.","failureModes":["Coordinate outside Croatia's Natural Earth boundary — request rejected before payment","Latitude or longitude outside the European coverage range (lat 34–72.5, lon -31.5–40.5) — validation error","Missing required latitude or longitude parameter — schema validation error","Network or payment processing failure via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need local terrain relief specifically for points within Croatia and want a cost-effective per-call computation. It is preferable over general DEM APIs when you need boundary-validated results for Croatian coordinates and are operating in an agentic, pay-per-call workflow via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:55:55.983Z","isFirstParty":false}