{"uid":"cap_v25tS6LeTDEf04AMqYN8P","slug":"halowerk-atlantic-land-france-depression-depth-29c02107","name":"HALOWERK Atlantic Land – France Depression Depth","description":"Positive difference between the neighborhood mean and center elevation. The coordinate is validated against the Natural Earth boundary for France; results outside it are rejected before payment.","url":"https://atlantikland.halowerk.com/v1/fr-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__-rPv0nDdxXIBVd6Pm_HO","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 elevation difference between a neighborhood mean and the center point elevation (depression depth) for a given coordinate within France.","exampleAgentPrompt":"What is the topographic depression depth at latitude 48.8566, longitude 2.3522 in France — specifically the positive difference between the neighborhood mean elevation and the center point elevation?","exampleUseCases":[{"title":"Flood risk site assessment","prompt":"I'm evaluating land near Bordeaux at latitude 44.84, longitude -0.58 — can you tell me the depression depth there so I know how much lower the center sits relative to its surroundings?"},{"title":"Agricultural drainage planning","prompt":"For a farm plot at 47.2, 1.5 in central France, what is the local elevation depression depth? I need to understand how water might pool at that location."},{"title":"Urban construction terrain check","prompt":"We're planning a building project in Lyon at coordinates 45.75 latitude, 4.85 longitude. Can you give me the depression depth — how far below its neighborhood mean elevation that point is?"}],"resultDescription":"A numeric value representing the positive difference (in meters) between the mean elevation of the surrounding neighborhood and the center-point elevation at the queried coordinate, indicating how deep a topographic depression is at that location. Coordinates outside the France Natural Earth boundary are rejected before any charge is applied.","failureModes":["Coordinate outside France boundary: request is rejected before payment with a validation error","Latitude or longitude out of published European coverage range (lat 34–72.5, lon -31.5–40.5): rejected with schema validation error","Invalid coordinate types (non-numeric values): schema validation failure","Network timeout or service unavailability: HTTP 5xx error"],"whenToPreferThis":"Choose this endpoint when you need localized depression depth — the positive elevation gap between a neighborhood mean and a center point — specifically for coordinates within France. It is validated against the Natural Earth France boundary before charging, making it safe to call without pre-filtering. Prefer this over generic elevation APIs when you need this specific terrain morphology metric rather than raw elevation or slope.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:16:01.021Z","isFirstParty":false}