{"uid":"cap_KTUDsPI9M0K8ALsimmb9P","slug":"halowerk-southern-land-greece-local-relief-97616f39","name":"HALOWERK Southern Land – Greece Local Relief","description":"Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Greece; results outside it are rejected before payment.","url":"https://suedland.halowerk.com/v1/gr-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_sJ7jZqJWdQGcm9_7Fw0OA","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 WGS84 coordinate validated to fall within Greece.","exampleAgentPrompt":"What's the local relief — the difference between the highest and lowest surface elevations — at latitude 37.97, longitude 23.73 in Greece?","exampleUseCases":[{"title":"Ruggedness check for solar farm siting","prompt":"We're evaluating a site in Greece at 38.2 latitude, 22.5 longitude — can you tell me how much the surface elevation varies locally there so we know if the terrain is too rugged for a solar installation?"},{"title":"Agricultural land flatness assessment","prompt":"I need to know the local relief at latitude 40.6, longitude 22.9 in northern Greece — I want to understand whether the terrain is flat enough for mechanized farming."},{"title":"Hiking trail difficulty estimation","prompt":"Can you get me the local elevation range at 35.51 latitude, 24.02 longitude in Crete? I'm trying to gauge how steep and varied the terrain is along a planned hiking route."}],"resultDescription":"A numeric value representing the local relief in meters — the difference between the maximum and minimum sampled surface elevations within the analysis area around the given coordinate. The coordinate must fall within the Natural Earth boundary for Greece; requests outside this boundary are rejected before any charge is incurred.","failureModes":["Coordinate outside Greece boundary — rejected before payment with a validation error","Latitude or longitude out of the published European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation error","Invalid or missing coordinate fields — 400-level error","Payment failure or insufficient USDC balance — 402 Payment Required","Service unavailability — 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a single-call computation of topographic relief (elevation range) for a specific point in Greece, especially for land suitability analysis, terrain ruggedness assessment, or agricultural or environmental studies. It is preferable over general-purpose elevation APIs when Greece-specific validation and x402 micropayment pricing are acceptable, and when you need a pre-computed relief metric rather than raw elevation data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T07:02:21.790Z","isFirstParty":false}