{"uid":"cap_jqN7ADh9B3f94740BFavi","slug":"halowerk-baltic-land-poland-soil-cation-exchange-capacity-0-5-cm-13f1affe","name":"HALOWERK Baltic Land – Poland Soil Cation Exchange Capacity (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 Poland; results outside it are rejected before payment.","url":"https://baltikum.halowerk.com/v1/pl-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_Gcv44vDnsm1glGVA_5wLW","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, validated to lie within Poland's boundary.","exampleAgentPrompt":"What's the SoilGrids cation exchange capacity for the topsoil (0-5 cm layer) at latitude 52.23 and longitude 21.01 in Poland?","exampleUseCases":[{"title":"Agricultural soil fertility assessment","prompt":"I'm evaluating farmland near Poznań at 52.41°N, 16.93°E — can you pull the topsoil cation exchange capacity from SoilGrids for that spot in Poland so I can estimate how well it holds nutrients?"},{"title":"Environmental site suitability screening","prompt":"We're assessing a potential reforestation site in Poland at coordinates 50.06 latitude, 19.94 longitude. Can you get me the mean CEC for the top 5 centimetres of soil there?"},{"title":"Precision agriculture data enrichment","prompt":"I need to enrich our field records with soil data — look up the SoilGrids cation exchange capacity at the 0-5 cm depth for the Polish parcel at 54.35°N, 18.65°E."}],"resultDescription":"Returns the mean cation exchange capacity (CEC) value from SoilGrids for the 0-5 cm topsoil layer at the requested coordinate. Coordinates outside Poland's boundary are rejected before any charge is applied.","failureModes":["Coordinate outside Poland boundary: request rejected before payment, returns boundary validation error","Coordinate outside the broader European coverage range (lat 34–72.5, lon -31.5–40.5): schema validation error","Missing or malformed latitude/longitude inputs: request rejected with parameter error","SoilGrids data unavailable for the given location (e.g. water body or urban void): may return null or no-data response","Network or upstream SoilGrids service downtime: timeout or 503 error"],"whenToPreferThis":"Choose this endpoint when you need point-level SoilGrids CEC data specifically for locations within Poland, benefit from built-in boundary validation (so out-of-Poland queries are caught before payment), and want a low-cost ($0.004 USDC) pay-per-call model without managing SoilGrids API credentials directly. Prefer it over generic SoilGrids access when operating in an agentic x402 payment workflow targeting Polish geography.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:14:13.977Z","isFirstParty":false}