{"uid":"cap_iGGrtuCUKxYVx-JaMPn0i","slug":"halowerk-nordic-land-iceland-soil-cation-exchange-capacity-0-5-cm-9f108ab3","name":"HALOWERK Nordic Land – Iceland 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 Iceland; results outside it are rejected before payment.","url":"https://nordland.halowerk.com/v1/is-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_8rB-iDyLwz-2NqBOmV_lD","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 validated against Iceland's boundary.","exampleAgentPrompt":"What's the mean cation exchange capacity of the soil at latitude 64.1355, longitude -21.8954 in Iceland — just the 0 to 5 cm surface layer?","exampleUseCases":[{"title":"Agricultural site suitability in Iceland","prompt":"I'm evaluating a potential farming plot near Selfoss, Iceland at around 63.93° N, -20.99° W — can you check the topsoil cation exchange capacity for the 0–5 cm layer so I know how well the soil holds nutrients?"},{"title":"Environmental baseline survey for Icelandic land","prompt":"We're doing a baseline soil chemistry survey at a site in northern Iceland at latitude 65.68, longitude -18.10 — I need the mean CEC for the surface soil layer from SoilGrids."},{"title":"Geospatial soil enrichment for mapping app","prompt":"For my land-use map I need the SoilGrids cation exchange capacity value at 64.50° N, -22.15° E in Iceland, specifically the 0–5 cm depth layer — can you pull that?"}],"resultDescription":"A numeric mean cation exchange capacity value (cmolc/kg) for the 0–5 cm topsoil layer at the queried coordinate, derived from SoilGrids data. Returns an error or rejection if the coordinate falls outside Iceland's Natural Earth boundary.","failureModes":["Coordinate outside Iceland boundary — request rejected before payment is charged","Latitude or longitude outside the published European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation error","Invalid coordinate format — type error","Network or service unavailability — HTTP 5xx","Payment failure — x402 payment required error"],"whenToPreferThis":"Choose this endpoint when you specifically need SoilGrids-derived mean cation exchange capacity for the 0–5 cm topsoil layer at a point location within Iceland. Prefer it over generic soil APIs when you need validated, boundary-checked results for Iceland and require per-call micropayment pricing via x402. Use sibling endpoints on the same domain for other soil properties (pH, organic carbon, sand/clay fractions) at the same location.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:07:00.277Z","isFirstParty":false}