{"uid":"cap_VeMbZ9ZeUp0lZn99jmwjL","slug":"halowerk-southern-land-pt-depression-depth-dd498bd1","name":"HALOWERK Southern Land – PT Depression Depth","description":"Positive difference between the neighborhood mean and center elevation. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.","url":"https://suedland.halowerk.com/v1/pt-depression-depth","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_1m9SxeBBvpuGdE_zG4Dqa","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 positive difference between neighborhood mean elevation and center-point elevation for a given coordinate within Portugal, measuring topographic depression depth.","exampleAgentPrompt":"Can you get the topographic depression depth for the coordinates 38.7169° N, 9.1395° W in Portugal — I need to know how much lower that point is compared to its surrounding neighborhood elevation?","exampleUseCases":[{"title":"Flood-prone site assessment","prompt":"I'm evaluating a plot at 37.9214° N, 8.8243° W in Portugal — can you check how deep the terrain depression is there so I can estimate flood water accumulation risk?"},{"title":"Vineyard drainage planning","prompt":"We're planning a new vineyard at latitude 41.15, longitude -8.61 in Portugal and need the local depression depth to understand if the site will have drainage problems."},{"title":"Environmental restoration site selection","prompt":"Can you calculate the depression depth at 39.4, -8.2 in Portugal? We're looking for natural water-collecting hollows suitable for wetland restoration."}],"resultDescription":"A numeric value representing the positive elevation difference (in metres) between the mean elevation of the surrounding neighborhood cells and the center-point elevation, indicating how depressed the location is relative to its local terrain. Coordinates outside the Portugal boundary are rejected before any charge is incurred.","failureModes":["Coordinate outside Portugal boundary — request rejected before payment, returns validation error","Latitude or longitude outside the European coverage bounding box (lat 34–72.5, lon -31.5–40.5) — schema validation failure","No elevation data available for the queried cell — returns data-not-found error","Depression value is zero or negative (i.e. location is not a depression) — may return 0 or null","Network or payment processing failure via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need a precise, per-point measure of terrain concavity or hollow depth specifically within Portugal. It is ideal for agricultural site assessment, hydrological modelling, drainage analysis, or land evaluation tasks where knowing how depressed a point is relative to its neighbors matters. Prefer this over generic DEM APIs when you need boundary-validated, pay-per-query elevation depression data restricted to Portugal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:45:56.615Z","isFirstParty":false}