{"uid":"cap_XbDJLGJlINpdaVjoUgRdX","slug":"halowerk-baltic-land-soilgrids-coarse-fragment-volume-0-5-cm-poland-d3075041","name":"HALOWERK Baltic Land – SoilGrids Coarse-Fragment Volume (0–5 cm, Poland)","description":"Mean SoilGrids coarse-fragment volume for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Poland; results outside it are rejected before payment.","url":"https://baltikum.halowerk.com/v1/pl-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_UgCnmumLb1mzQb5ilID7v","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 coarse-fragment volume (%) from SoilGrids for the 0–5 cm soil layer at a given coordinate within Poland's boundary.","exampleAgentPrompt":"What's the mean coarse-fragment volume in the top 5 cm of soil at latitude 52.23, longitude 21.01 in Poland? I need the SoilGrids value for that spot.","exampleUseCases":[{"title":"Agricultural suitability assessment for Polish farmland","prompt":"Can you look up the topsoil coarse-fragment volume at latitude 51.76, longitude 19.45 in Poland? I'm trying to assess whether the soil is too stony for arable farming."},{"title":"Geotechnical pre-survey for construction site","prompt":"I'm planning a construction project near Wrocław — can you get me the SoilGrids coarse-fragment percentage for the 0-5 cm layer at latitude 51.11, longitude 17.03?"},{"title":"Environmental research data collection","prompt":"For my soil erosion study, I need the mean coarse-fragment volume at the 0–5 cm depth for a site at latitude 50.06, longitude 19.94 in southern Poland."}],"resultDescription":"A numeric value representing the mean coarse-fragment volume (volumetric %) derived from SoilGrids for the 0–5 cm soil layer at the requested coordinate. The coordinate is validated against Poland's Natural Earth boundary before processing; coordinates outside Poland are rejected prior to billing.","failureModes":["Coordinate outside Poland boundary — request rejected before payment with a boundary validation error","Latitude or longitude out of the European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation error","Malformed or missing coordinate fields — HTTP 400 bad request","Service temporarily unavailable — HTTP 503","Network timeout — no response returned within expected window"],"whenToPreferThis":"Choose this endpoint when you need point-level topsoil coarse-fragment data specifically within Poland and want a cost-effective per-call lookup ($0.004 USDC) with built-in boundary validation. Prefer it over raw SoilGrids API access when you need a pre-validated, pay-per-use microservice without managing SoilGrids authentication. Use sibling endpoints on baltikum.halowerk.com for complementary soil properties (clay, sand, bulk density) or terrain metrics at the same location.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:55:30.358Z","isFirstParty":false}