{"uid":"cap_vkj4o5y37SQKmsuROJD4J","slug":"halowerk-land-compare-topsoil-sand-two-point-comparison-beb5dd8f","name":"HALOWERK Land Compare – Topsoil Sand Two-Point Comparison","description":"Measures topsoil sand 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-sand","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_uj2qJyR7WcWoyrkZ7c7FP","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 topsoil sand content for exactly two European coordinates and returns the signed difference and which location has higher sand content.","exampleAgentPrompt":"Compare the topsoil sand content between my two fields — one near Paris at 48.8566° N, 2.3522° E and another near Berlin at 52.5200° N, 13.4050° E — and tell me which has sandier soil and by how much.","exampleUseCases":[{"title":"Farmland soil suitability comparison","prompt":"I'm deciding between two plots for growing carrots — one near Amsterdam at 52.37° N, 4.90° E and one near Lyon at 45.75° N, 4.85° E. Which one has sandier topsoil and what's the difference?"},{"title":"Real estate land quality assessment","prompt":"We're evaluating two European land parcels for purchase: site A at 51.5074° N, -0.1278° E in the UK and site B at 41.3851° N, 2.1734° E near Barcelona. Can you compare their topsoil sand content and tell me which is sandier?"},{"title":"Agricultural research site selection","prompt":"For our European soil study, compare topsoil sand levels at these two research sites: 53.3498° N, -6.2603° E near Dublin and 48.2082° N, 16.3738° E near Vienna, and report the signed difference and which site wins."}],"resultDescription":"Returns the measured topsoil sand value for each of the two input European coordinates, the signed numerical difference between them, and an indication of which location has the higher sand content (the 'winner') where the difference is meaningful.","failureModes":["Coordinates outside the European coverage bounds (lat 34–72.5, lon -31.5–40.5) will be rejected","Providing fewer or more than exactly two locations returns a validation error","Invalid latitude/longitude values trigger schema validation failure","Network timeouts or upstream soil dataset unavailability may return a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a direct, pairwise topsoil sand comparison for exactly two European locations in a single call. It is purpose-built for binary land comparisons with a clear winner signal, making it ideal for site selection, agricultural planning, and land quality assessments within European geographic bounds. Use the multi-site ranking sibling endpoint if you need to compare more than two locations simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:43:31.872Z","isFirstParty":false}