{"uid":"cap_54n3CQ8CFvOTHbamDiGeo","slug":"halowerk-southern-land-portugal-soil-cec-0-5-cm-43e04ab2","name":"HALOWERK Southern Land – Portugal Soil CEC (0-5 cm)","description":"Mean SoilGrids cation exchange capacity for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Portugal; results outside it are rejected before payment.","url":"https://suedland.halowerk.com/v1/pt-soil-cec","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_gBaknQmTAbC1tvB9U4kyp","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 cation exchange capacity (CEC) for the 0–5 cm topsoil layer at a given coordinate within Portugal, validated against the Natural Earth boundary.","exampleAgentPrompt":"What's the mean cation exchange capacity of the topsoil at latitude 38.716, longitude -9.139 in Portugal — I need the 0–5 cm SoilGrids CEC value for that spot.","exampleUseCases":[{"title":"Vineyard site soil fertility check","prompt":"I'm evaluating a potential vineyard plot near Évora — can you look up the topsoil cation exchange capacity at latitude 38.57, longitude -7.91 in Portugal so I know how well the soil retains nutrients?"},{"title":"Environmental baseline survey","prompt":"For our ecological assessment near Setúbal, can you pull the mean SoilGrids CEC value for the 0–5 cm layer at 38.52 latitude, -8.89 longitude in Portugal?"},{"title":"Agricultural land suitability scoring","prompt":"I'm comparing fields in the Algarve for an irrigation project — get me the topsoil CEC at coordinates 37.10 latitude, -8.22 longitude in Portugal."}],"resultDescription":"A numeric mean cation exchange capacity value (in cmolc/kg) for the 0–5 cm topsoil layer at the requested coordinate, derived from SoilGrids data. The coordinate is first validated to be within Portugal's Natural Earth boundary; requests outside this area are rejected before the payment is processed.","failureModes":["Coordinate outside Portugal boundary: request rejected before payment with an out-of-bounds error","Latitude or longitude outside the European coverage range (lat 34–72.5, lon -31.5–40.5): schema validation failure","Malformed or missing coordinate fields: input validation error","Upstream SoilGrids data unavailable: service error or timeout","Payment failure via x402 protocol: call not fulfilled"],"whenToPreferThis":"Use this endpoint when you need the SoilGrids-derived mean CEC specifically for the 0–5 cm topsoil layer at a point location within Portugal. Prefer it over generic soil APIs when you need boundary-validated, per-coordinate lookups for Portugal and are comfortable with micro-payment per call. For other countries or other soil properties (pH, nitrogen, sand, clay), use the sibling endpoints on the same provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:13:11.103Z","isFirstParty":false}