{"uid":"cap_x61yJ4TkYTE8TAuqO1qRw","slug":"halowerk-southern-land-spain-soil-silt-fraction-0-5-cm-244caa41","name":"HALOWERK Southern Land – Spain Soil Silt Fraction (0-5 cm)","description":"Mean SoilGrids silt fraction for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Spain; results outside it are rejected before payment.","url":"https://suedland.halowerk.com/v1/es-soil-silt","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_XIyswfoZlbiA3KSkVFP2z","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 silt fraction for the 0–5 cm topsoil layer at a given coordinate within Spain, validated against Natural Earth boundaries.","exampleAgentPrompt":"What's the silt fraction in the top 5 cm of soil at latitude 40.4168, longitude -3.7038 in Spain? I need the SoilGrids measurement for that spot.","exampleUseCases":[{"title":"Agricultural soil texture assessment","prompt":"I'm evaluating a farm plot near Seville at latitude 37.38, longitude -5.97 — can you look up the SoilGrids silt fraction in the top 5 cm of soil there so I can assess irrigation suitability?"},{"title":"Vineyard site suitability screening","prompt":"We're scouting vineyard locations in La Rioja. What's the topsoil silt content at latitude 42.46, longitude -2.45? We need the 0–5 cm SoilGrids silt fraction."},{"title":"Environmental research data collection","prompt":"For my land degradation study I need the mean silt fraction of surface soil at latitude 39.86, longitude -4.02 — that's somewhere in Castilla-La Mancha, Spain. Can you pull the SoilGrids 0-5 cm reading?"}],"resultDescription":"A numeric value representing the mean silt fraction (likely as a proportion or percentage) in the 0–5 cm topsoil layer at the queried coordinate, derived from SoilGrids data. Coordinates outside the Spain boundary are rejected before any payment is processed.","failureModes":["Coordinate outside Spain boundary — request rejected before payment with a boundary validation error","Latitude or longitude out of the published European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation error","Invalid or missing coordinate values — input validation failure","Network or service unavailability — HTTP 5xx error","Payment failure — x402 payment not completed, request not fulfilled"],"whenToPreferThis":"Choose this endpoint when you need point-level SoilGrids silt fraction data specifically within Spain and want built-in boundary validation to avoid wasted calls. It is ideal for agricultural assessments, environmental research, or land suitability analysis where topsoil texture (silt component) at the 0–5 cm depth is the key variable. Pair with sibling endpoints on the same host for sand, clay, pH, nitrogen, and CEC to build a full soil profile.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:40.430Z","isFirstParty":false}