{"uid":"cap_1vtes4ZYLXdYsTwNMeStp","slug":"halowerk-southern-land-spain-soil-clay-fraction-e71b77bc","name":"HALOWERK Southern Land – Spain Soil Clay Fraction","description":"Mean SoilGrids clay 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-clay","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_-t_slASGnyYiJ8urVRq64","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 clay fraction for the 0–5 cm soil layer at a given coordinate validated to lie within Spain.","exampleAgentPrompt":"What's the mean clay fraction in the top 5 cm of soil at latitude 37.89, longitude -4.77 in Spain?","exampleUseCases":[{"title":"Vineyard site soil assessment","prompt":"I'm evaluating a plot for a vineyard near Córdoba — can you check the clay fraction in the top 5 cm of soil at latitude 37.85, longitude -4.80?"},{"title":"Agricultural drainage planning","prompt":"We're designing drainage for a field in Valencia at lat 39.47, lon -0.38 — what's the clay content in the 0–5 cm soil layer there?"},{"title":"Construction ground suitability check","prompt":"Before we break ground on a site in Madrid at latitude 40.42, longitude -3.70, can you pull the mean topsoil clay fraction to assess soil plasticity?"}],"resultDescription":"A numeric value representing the mean clay fraction (as a percentage or proportion) for the 0–5 cm soil layer at the submitted coordinate, derived from SoilGrids data. Returns an error if the coordinate falls outside the validated Spain boundary.","failureModes":["Coordinate outside Spain boundary — request is rejected before payment is processed","Latitude or longitude outside the declared European coverage range (34–72.5°N, -31.5–40.5°E) — validation error","Malformed or missing coordinate fields — schema validation error","Payment failure via x402 protocol — request not fulfilled","SoilGrids upstream data unavailable — service error"],"whenToPreferThis":"Choose this endpoint when you need point-level topsoil clay fraction data specifically for locations within Spain, and want boundary validation before incurring payment costs. Prefer it over generic SoilGrids API wrappers when you need a pay-per-call microservice with built-in Spain geofencing and no API key setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:00:50.360Z","isFirstParty":false}