{"uid":"cap_suXC5KQYeK3y7yk4qEPYz","slug":"halowerk-eastern-land-bulgaria-soil-cec-0-5-cm-4c98a963","name":"HALOWERK Eastern Land – Bulgaria 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 Bulgaria; results outside it are rejected before payment.","url":"https://ostland.halowerk.com/v1/bg-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_hFtkYaYjWpm9ubZFHMDsp","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 soil layer at a given coordinate within Bulgaria.","exampleAgentPrompt":"What is the mean cation exchange capacity of the topsoil at latitude 42.15, longitude 24.75 in Bulgaria?","exampleUseCases":[{"title":"Agricultural land fertility screening","prompt":"I'm evaluating a plot near Plovdiv — can you get me the topsoil cation exchange capacity for coordinates 42.15 latitude, 24.75 longitude so I can assess nutrient retention before buying?"},{"title":"Precision farming soil mapping","prompt":"I need the SoilGrids CEC for the 0-5 cm layer at latitude 43.08, longitude 25.62 in Bulgaria to feed into our precision agriculture model."},{"title":"Environmental site characterization","prompt":"For a reforestation project at 41.9 latitude, 23.4 longitude in Bulgaria, can you pull the mean topsoil CEC so we understand the soil's capacity to hold nutrients?"}],"resultDescription":"A numeric mean cation exchange capacity value (cmolc/kg) from SoilGrids for the 0–5 cm depth layer at the requested Bulgarian coordinate. Coordinates outside the Bulgaria boundary (validated against Natural Earth) are rejected before any charge is applied.","failureModes":["Coordinate outside Bulgaria boundary — request rejected with a validation error before payment","Latitude or longitude outside published European coverage range — schema validation failure","SoilGrids data unavailable for the exact cell — may return null or no-data indicator","Malformed request body — HTTP 400 bad request"],"whenToPreferThis":"Use this endpoint when you need SoilGrids-derived topsoil cation exchange capacity specifically for a point location in Bulgaria and want a low-cost, per-call microservice with boundary pre-validation. Prefer it over general SoilGrids API access when you need guaranteed Bulgaria-scope filtering and x402 micropayment compatibility.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:07:27.244Z","isFirstParty":false}