{"uid":"cap_2y_DYyVkPtStsDfKWFqNR","slug":"halowerk-land-compare-topsoil-ph-two-point-comparison-e2a1099a","name":"HALOWERK Land Compare – Topsoil pH Two-Point Comparison","description":"Measures topsoil ph 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-ph","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_wI664PHz_A6wOmjziGmA9","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 pH at exactly two European coordinates, returning the signed difference and identifying which location has higher or lower pH.","exampleAgentPrompt":"Compare the topsoil pH between my two farm plots — one at latitude 51.5, longitude 4.3 and the other at latitude 48.8, longitude 2.35 — and tell me which has more acidic soil and by how much.","exampleUseCases":[{"title":"Crop suitability comparison for two fields","prompt":"I have two potential fields for growing blueberries — one near Ghent at 51.05°N, 3.72°E and one near Bordeaux at 44.84°N, -0.58°E. Can you compare their topsoil pH and tell me which is more suitable for acid-loving crops?"},{"title":"Land purchase due diligence","prompt":"We're deciding between two parcels of land — one in southern Germany at 48.1°N, 11.6°E and one in northern Italy at 45.4°N, 12.3°E. What's the topsoil pH difference between them and which site has the higher pH?"},{"title":"Organic farming site assessment","prompt":"Compare the soil pH at our existing farm in Poland at 52.2°N, 21.0°E versus the new site we're considering in Hungary at 47.5°N, 19.0°E — I need to know the signed difference so I can plan any liming we'd need."}],"resultDescription":"Returns the topsoil pH value measured at each of the two provided European coordinates, the signed numerical difference between them (location A minus location B), and an indication of which location has the higher or lower pH where the difference is meaningful.","failureModes":["Coordinates outside European coverage bounds (latitude 34–72.5, longitude -31.5–40.5) return a validation error","Fewer or more than exactly two location objects in the array are rejected","Invalid or missing latitude/longitude values cause a schema validation error","Payment failure via x402 protocol prevents the call from completing"],"whenToPreferThis":"Use this endpoint when you need a direct head-to-head topsoil pH comparison between exactly two European geographic points. It is ideal for agricultural site selection, land due diligence, or soil condition benchmarking where a single consistent measurement method and signed difference are required. Prefer this over general soil APIs when the European coverage area is sufficient and you want a structured comparison result rather than raw per-point data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:47:01.704Z","isFirstParty":false}