{"uid":"cap_uANxjvFk-JymtGRwxYAws","slug":"halowerk-southern-land-spain-soil-nitrogen-0-5-cm-bd514033","name":"HALOWERK Southern Land – Spain Soil Nitrogen (0-5 cm)","description":"Mean SoilGrids total nitrogen 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-nitrogen","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_FnHAzxJQIyuzyv4cLlxZ_","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 total nitrogen concentration for the 0–5 cm topsoil layer at a given coordinate within Spain.","exampleAgentPrompt":"What's the mean total nitrogen in the top 0–5 cm of soil at latitude 40.4168 and longitude -3.7038 in Spain? I need the SoilGrids figure for that surface layer.","exampleUseCases":[{"title":"Vineyard site soil fertility check","prompt":"I'm scouting a potential vineyard plot near Logroño — can you look up the SoilGrids topsoil nitrogen level for latitude 42.46 and longitude -2.45 in Spain?"},{"title":"Precision agriculture planning","prompt":"For our new test field in Andalusia at 37.39 latitude and -5.99 longitude, what's the mean total nitrogen in the 0 to 5 centimetre soil layer according to SoilGrids?"},{"title":"Environmental research baseline data","prompt":"I need the surface soil nitrogen reading from SoilGrids for coordinates 41.65 latitude, 0.87 longitude in Spain as a baseline for our ecosystem restoration study."}],"resultDescription":"A single numeric value representing the mean SoilGrids total nitrogen concentration (likely in g/kg or cg/kg) for the 0–5 cm soil layer at the queried coordinate within Spain. Coordinates outside the Spain boundary are rejected before payment is processed.","failureModes":["Coordinate outside Spain boundary – request rejected before charge; returns an error indicating the point is out of coverage","Latitude or longitude outside the accepted European range (34–72.5°N, -31.5–40.5°E) – schema validation failure","Missing required latitude or longitude parameter – request rejected with validation error","SoilGrids data unavailable for the specific pixel – may return null or data gap error","Network timeout or upstream SoilGrids service unavailability"],"whenToPreferThis":"Choose this endpoint when you need point-specific SoilGrids total nitrogen data for a location confirmed to be within Spain and want a single authoritative topsoil (0–5 cm) reading. Prefer it over generic soil APIs when Spain-scoped validation, micro-payment per-call pricing, and SoilGrids provenance are required. It is part of a suite of sibling endpoints covering other soil and land-cover metrics for the same region.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:14:59.976Z","isFirstParty":false}