{"uid":"cap_3gjJSKbkB4RcN2n9raEaU","slug":"halowerk-eastern-land-bulgaria-soil-clay-fraction-0-5-cm-50669a27","name":"HALOWERK Eastern Land – Bulgaria Soil Clay Fraction (0-5 cm)","description":"Mean SoilGrids clay fraction 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-clay","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_w53Wxoy8UImhrUF8riD7u","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 clay fraction for the 0-5 cm topsoil layer at a given coordinate within Bulgaria's boundary.","exampleAgentPrompt":"What's the mean clay fraction in the top 0-5 cm of soil at latitude 42.6977, longitude 23.3219 in Bulgaria?","exampleUseCases":[{"title":"Crop suitability assessment for Bulgarian farmland","prompt":"I'm evaluating a plot near Plovdiv at 42.1354° N, 24.7453° E — what's the clay content in the top 5 cm of soil there so I can assess if it's suitable for wheat?"},{"title":"Site selection for construction foundation","prompt":"We're considering a building site in Bulgaria at coordinates 43.2141° N, 27.9147° E — can you check the topsoil clay fraction at 0-5 cm depth to help with foundation planning?"},{"title":"Environmental soil monitoring in Bulgaria","prompt":"For our land degradation study, pull the SoilGrids clay fraction for the 0-5 cm layer at 41.9022° N, 25.5551° E in the Rhodope region of Bulgaria."}],"resultDescription":"A numeric value representing the mean clay fraction (as a percentage or volume fraction) in the 0-5 cm topsoil layer at the specified Bulgarian coordinate, derived from SoilGrids data. Coordinates outside Bulgaria's Natural Earth boundary are rejected before any charge is applied.","failureModes":["Coordinate outside Bulgaria's Natural Earth boundary — request rejected, no charge applied","Latitude or longitude outside the declared European coverage range (lat 34–72.5, lon -31.5–40.5) — validation error","Missing or malformed latitude/longitude parameters — schema validation error","Payment failure or insufficient USDC balance — 402 response","No SoilGrids data available for the requested coordinate — null or error response"],"whenToPreferThis":"Choose this endpoint when you need point-level SoilGrids clay fraction data specifically within Bulgaria's national boundary at the 0-5 cm depth. It is preferable to a generic SoilGrids API wrapper when you need built-in boundary validation for Bulgaria, pay-per-call pricing via x402, and the convenience of a single-purpose endpoint without managing authentication or large dataset downloads.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T07:01:50.535Z","isFirstParty":false}