{"uid":"cap_b9ByvA_e4p5QK9lc9mpph","slug":"halowerk-land-compare-topsoil-bulk-density-two-point-f29740ec","name":"HALOWERK Land Compare – Topsoil Bulk Density (Two-Point)","description":"Measures topsoil bulk density 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-bulk-density","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_qtV-zO0D75aqHdORkFDYv","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":"Measures and compares topsoil bulk density at exactly two European WGS84 coordinates, returning the value for each location, the signed difference, and which location has higher bulk density.","exampleAgentPrompt":"Compare the topsoil bulk density between my two farm parcels — one at latitude 51.5, longitude 5.2 (call it 'North Field') and another at latitude 51.3, longitude 5.4 (call it 'South Field') — and tell me which has denser soil and by how much.","exampleUseCases":[{"title":"Farm field suitability comparison","prompt":"I'm deciding which of two plots to use for root vegetables — can you compare topsoil bulk density at coordinates 48.8, 2.3 (Paris plot) and 52.5, 13.4 (Berlin plot) and tell me which soil is less compacted?"},{"title":"Construction site soil assessment","prompt":"Before we break ground, compare the topsoil bulk density at our two candidate sites: one at 53.55 latitude, 10.0 longitude labeled 'Hamburg Site' and another at 48.14 latitude, 11.58 longitude labeled 'Munich Site' — which has denser soil?"},{"title":"Reforestation land selection","prompt":"We're planning a reforestation project and need to pick between two European parcels — check topsoil bulk density at 44.8, -0.57 called 'Bordeaux Parcel' and 43.7, 7.25 called 'Nice Parcel', and tell me the difference and which is more suitable for deep root growth."}],"resultDescription":"Returns the measured topsoil bulk density value for each of the two input locations, the signed arithmetic difference between them (location A minus location B), and an indication of which location has the higher bulk density where the difference is meaningful. Values are derived from European soil datasets and cover WGS84 coordinates within the stated European bounding box.","failureModes":["Coordinates outside European coverage bounds (lat 34–72.5, lon -31.5–40.5) will return an error","Providing fewer or more than exactly two location objects will be rejected by schema validation","Missing required latitude or longitude fields will cause a validation error","Locations with very similar bulk density values may yield a near-zero difference with no clear winner","Network or upstream data source unavailability may cause transient failures"],"whenToPreferThis":"Choose this endpoint when you need a direct, methodologically consistent comparison of topsoil bulk density between exactly two European sites. It is ideal for agricultural plot selection, soil health assessments, or geospatial land evaluation tasks where you want a single-method, apples-to-apples comparison with a clear winner and signed difference — rather than raw single-point lookups or multi-site rankings which are handled by sibling endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:06:04.325Z","isFirstParty":false}