{"uid":"cap_9HztQBzfmEpniHR9QxM0O","slug":"halowerk-atlantic-land-belgium-soil-coarse-fragment-volume-0-5-cm-99657416","name":"HALOWERK Atlantic Land – Belgium Soil Coarse-Fragment Volume (0-5 cm)","description":"Mean SoilGrids coarse-fragment volume for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Belgium; results outside it are rejected before payment.","url":"https://atlantikland.halowerk.com/v1/be-soil-coarse-fragments","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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-LIT9MLmCba6Ww9X3OaFO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the mean SoilGrids coarse-fragment volume (volumetric %) for the 0–5 cm soil layer at a given WGS84 coordinate validated to fall within Belgium.","exampleAgentPrompt":"What's the mean coarse-fragment volume in the top 5 cm of soil at latitude 50.85 and longitude 4.35 in Belgium — I need it for a site assessment.","exampleUseCases":[{"title":"Agricultural land suitability screening","prompt":"I'm evaluating farmland near Ghent at 51.05° N, 3.72° E — can you check the coarse-fragment volume in the top 5 cm of soil there so I know how stony it is?"},{"title":"Construction ground survey","prompt":"We're scoping a building project at coordinates 50.63° N, 5.57° E in Belgium — pull the SoilGrids coarse-fragment percentage for the 0–5 cm layer so our engineers can factor in soil composition."},{"title":"Environmental site comparison","prompt":"Compare the stoniness of soil at 50.45° N, 3.92° E versus 50.72° N, 4.18° E in Belgium — specifically the mean coarse-fragment volume in the surface layer for each."}],"resultDescription":"A numeric value representing the mean volumetric coarse-fragment content (% vol.) of the 0–5 cm topsoil layer at the requested coordinate, derived from the SoilGrids dataset. Coordinates outside Belgium's Natural Earth boundary are rejected before any charge is incurred.","failureModes":["Coordinate outside Belgium boundary: request rejected before payment, error indicating invalid location","Latitude or longitude out of European coverage range (lat 34–72.5, lon -31.5–40.5): validation error","Missing required latitude or longitude field: schema validation error","Ambiguous or malformed coordinate values: parse/type error","SoilGrids upstream data unavailable: service error or timeout"],"whenToPreferThis":"Choose this endpoint when you need soil coarse-fragment (gravel/stone) volumetric data specifically for the 0–5 cm topsoil layer at a Belgian location. It is purpose-built for Belgium with built-in boundary validation, so it's preferable over generic global soil APIs when your use case is scoped to Belgium and you want automatic out-of-bounds rejection. Pair with sibling endpoints on the same host for organic carbon, CEC, land cover, and terrain metrics at the same coordinate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:12:37.882Z","isFirstParty":false}