{"uid":"cap_13Yz-geAPbIsG-wy3eVyV","slug":"halowerk-land-compare-topsoil-silt-50b21556","name":"HALOWERK Land Compare – Topsoil Silt","description":"Measures topsoil silt for exactly two European coordinates with one method and reports the signed difference and winner where meaningful.","url":"https://landvergleich.halowerk.com/v1/compare-two-soil-silt","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"locations":{"type":"array","items":{"type":"object","required":["longitude","latitude"],"properties":{"name":{"type":"string","maxLength":60,"minLength":1},"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."}},"additionalProperties":false},"maxItems":2,"minItems":2}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QnDajRz0cLrV8e0LeXqOO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares topsoil silt content at exactly two European coordinates and returns the signed difference plus the winning location.","exampleAgentPrompt":"Compare the topsoil silt content between my two farm plots — one at latitude 51.5, longitude 5.2 (called 'North Field') and another at latitude 50.8, longitude 4.9 (called 'South Field') — and tell me which one has more silt and by how much.","exampleUseCases":[{"title":"Agricultural site selection for crops","prompt":"I'm choosing between two plots for a silty-soil crop: one near Paris at 48.85°N, 2.35°E and another near Brussels at 50.85°N, 4.35°E. Which has higher topsoil silt content and what's the difference?"},{"title":"Land investment due diligence","prompt":"Before buying farmland in Europe, can you compare the topsoil silt levels at coordinates 52.3°N, 4.9°E (labeled 'Plot A') versus 52.0°N, 5.1°E (labeled 'Plot B') and tell me which one wins?"},{"title":"Soil-type mapping for environmental report","prompt":"For our environmental assessment, compare the silt content in the topsoil at these two European sites: 47.5°N, 8.5°E named 'Site Zurich' and 48.2°N, 16.4°E named 'Site Vienna'. Which site has more silt?"}],"resultDescription":"Returns the topsoil silt measurement at both input coordinates, the signed numeric difference between them, and an indication of which location has the higher silt content (the 'winner'), or a note that no meaningful difference exists.","failureModes":["Coordinates outside European coverage bounds (latitude 34–72.5°N, longitude −31.5–40.5°E) return a validation error","Fewer or more than exactly two locations in the array causes a schema validation error","Missing required latitude or longitude fields returns a 400 bad request","Network or upstream data unavailability may return a 503 or timeout","Payment not fulfilled (x402) results in a 402 Payment Required response"],"whenToPreferThis":"Use this endpoint when you need a direct pairwise comparison of topsoil silt content between exactly two European locations. It is the right choice when the decision is binary (which of these two sites has more silt?) rather than ranking multiple sites or measuring a different soil property such as texture class or cation exchange capacity. Choose sibling endpoints for other soil attributes or for ranking more than two sites.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:01:20.524Z","isFirstParty":false}