{"uid":"cap_5N2TA4heMiXu99cwHoZf-","slug":"halowerk-atlantic-land-france-soil-nitrogen-0-5-cm-0bf660a7","name":"HALOWERK Atlantic Land – France 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 France; results outside it are rejected before payment.","url":"https://atlantikland.halowerk.com/v1/fr-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__5FxSSjOW1jP8iyh5aUuk","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 mean SoilGrids total nitrogen concentration for the 0–5 cm soil layer at a given coordinate validated within France's boundary.","exampleAgentPrompt":"What's the mean total nitrogen in the top 5 cm of soil at latitude 48.85 and longitude 2.35 in France?","exampleUseCases":[{"title":"Agricultural site soil fertility check","prompt":"I'm evaluating a plot near Lyon — can you pull the topsoil nitrogen level for latitude 45.75, longitude 4.83? I need to know if the soil has enough nitrogen for crop farming."},{"title":"Environmental impact baseline assessment","prompt":"We're doing a pre-development environmental baseline near Bordeaux. What's the mean soil nitrogen for the 0 to 5 cm layer at latitude 44.83, longitude -0.58?"},{"title":"Precision agriculture nutrient mapping","prompt":"For our vineyard planning near Reims, can you get the surface soil nitrogen reading at latitude 49.25, longitude 4.03 so we can decide on fertilisation strategy?"}],"resultDescription":"A numeric value representing the mean total nitrogen concentration in the 0–5 cm topsoil layer (sourced from SoilGrids) for the queried coordinate. The coordinate is validated against France's Natural Earth boundary; requests falling outside France are rejected before any charge is incurred.","failureModes":["Coordinate outside France boundary – request rejected before payment, likely 422 or 400 error","Latitude or longitude out of published European coverage range (lat 34–72.5, lon -31.5–40.5) – validation failure","Invalid input types or missing required fields – schema validation error","SoilGrids data unavailable for sparse or coastal grid cells – may return null or error","Payment failure via x402 protocol – request not processed"],"whenToPreferThis":"Use this endpoint when you need a fast, pay-per-call lookup of topsoil total nitrogen for a specific point coordinate inside France, backed by SoilGrids data. Prefer it over bulk datasets when you need individual-point queries with geographic boundary enforcement and no subscription overhead. It pairs well with sibling endpoints (organic carbon, CEC, slope, land cover) on the same platform for comprehensive land assessment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:52:41.126Z","isFirstParty":false}