{"uid":"cap_z8flfE3oR-dU_Sr4CQVMu","slug":"halowerk-europe-land-depression-depth-buffer-250m-0aece336","name":"HALOWERK Europe Land – Depression Depth Buffer 250m","description":"Positive difference between the neighborhood mean and center elevation. The service evaluates a circular 250 metre neighborhood around one coordinate and returns standardized units across all 30 covered countries.","url":"https://euroland.halowerk.com/v1/europe-depression-depth-buffer-250m","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":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jyFaPYnJOBZnS4fPxyZqe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the positive elevation difference between a 250-metre circular neighborhood mean and the center point elevation, indicating topographic depression depth at a European coordinate.","exampleAgentPrompt":"What is the topographic depression depth at latitude 48.8566, longitude 2.3522 in Europe — specifically the positive difference between the 250-metre neighborhood mean elevation and the center point?","exampleUseCases":[{"title":"Flood risk site screening","prompt":"I need to know how deep the topographic depression is at coordinates 51.5074° N, 0.1278° W in England — can you get the 250-metre neighborhood depression depth so I can assess flood pooling risk?"},{"title":"Agricultural drainage assessment","prompt":"For a farm plot centered at latitude 47.3769, longitude 8.5417 in Switzerland, what is the terrain depression depth relative to the surrounding 250-metre area? I want to understand if water would pool there."},{"title":"Urban infrastructure site evaluation","prompt":"We're evaluating a construction site at latitude 52.2297, longitude 21.0122 in Warsaw — can you check how much lower that point sits compared to its 250-metre neighborhood to flag any subsidence or drainage concerns?"}],"resultDescription":"A standardized numeric value representing the positive difference in elevation units between the mean elevation of a 250-metre circular neighborhood and the center coordinate's elevation. A higher value indicates the center point sits in a deeper topographic depression relative to its surroundings. The result is consistent and comparable across all 30 covered European countries.","failureModes":["Coordinate outside European coverage bounds (latitude 34–72.5, longitude -31.5–40.5) returns an error","Non-numeric or missing latitude/longitude fields cause a validation error","Edge cases near coastlines or border regions may return reduced-accuracy values","Network timeout or service unavailability returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a standardized, point-based measure of topographic depression depth at a specific European coordinate using a 250-metre analysis radius. It is preferable over broader DEM queries when you specifically need the neighborhood-mean-minus-center-elevation metric rather than raw elevation, slope, or aspect. Use it for flood risk, drainage planning, agricultural suitability, or environmental assessments across the 30 covered European countries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:30:31.792Z","isFirstParty":false}