{"uid":"cap_uz9aPIGG8gdOHfqxc1UBx","slug":"halowerk-land-compare-topsoil-coarse-fragments-two-point-feba091a","name":"HALOWERK Land Compare – Topsoil Coarse Fragments (Two-Point)","description":"Measures topsoil coarse fragments 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-coarse-fragments","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_2n4DYupCTQtqARJkYMpsY","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 coarse fragment content at exactly two European coordinates and returns the signed difference plus a winner designation.","exampleAgentPrompt":"Compare the topsoil coarse fragment content between a vineyard at 44.2°N, 7.8°E in Italy and a field at 48.6°N, 2.3°E in France — which site has rockier topsoil and by how much?","exampleUseCases":[{"title":"Farm site suitability screening","prompt":"I'm evaluating two potential orchard sites in Spain — one at latitude 41.5, longitude -3.2 and another at latitude 39.8, longitude -1.7. Which one has more coarse fragments in the topsoil and what's the difference?"},{"title":"Construction ground assessment comparison","prompt":"We're scoping two development plots in Germany: one at 48.1°N 11.6°E and another at 51.5°N 7.5°E. Can you compare how much coarse rocky material is in the topsoil at each site?"},{"title":"Agroecology research site selection","prompt":"For my soil study I need to pick between two European research sites — one near 43.6°N, 1.4°E and another near 45.8°N, 4.8°E. Tell me which has greater topsoil coarse fragment content and report the signed difference."}],"resultDescription":"Returns the topsoil coarse fragment measurement for each of the two input coordinates (expressed as a percentage or volumetric share), the signed arithmetic difference between them, and an indication of which location 'wins' (i.e. has higher coarse fragment content) where the difference is meaningful.","failureModes":["Coordinates outside European coverage bounds (latitude 34–72.5°N, longitude -31.5–40.5°E) will be rejected","Fewer or more than exactly two locations in the request will fail schema validation","Missing required latitude or longitude fields cause a validation error","Locations in non-terrestrial areas (ocean, sea) may return null or no-data responses","Network or upstream data-source outages may cause timeouts or 5xx errors"],"whenToPreferThis":"Use this endpoint when you need a direct, quantitative comparison of topsoil coarse fragment content between exactly two European sites. It is purpose-built for the two-point pairwise comparison use case with a clear winner output, unlike single-point soil lookups or multi-site ranking endpoints. Choose it over the sibling multi-site ranking endpoint when you only have two locations and want a signed difference rather than a ranked list.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:10:22.630Z","isFirstParty":false}