{"uid":"cap_FwUA8Kslv27wlFovlPglN","slug":"halowerk-land-compare-surface-drainage-tendency-two-point-comparison-49b4f5a1","name":"HALOWERK Land Compare – Surface Drainage Tendency (Two-Point Comparison)","description":"Measures surface drainage tendency 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-drainage-tendency","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_wG1fQxV-wNU2j7ihfJhkL","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 surface drainage tendency at exactly two European coordinates, returning the signed difference and identifying which location drains better.","exampleAgentPrompt":"Compare the surface drainage tendency between my two candidate farm sites — one at latitude 51.2, longitude 4.4 near Antwerp, and another at latitude 48.8, longitude 2.3 near Paris — and tell me which drains better and by how much.","exampleUseCases":[{"title":"Agricultural site drainage selection","prompt":"I'm deciding between two fields for a new vegetable farm — one at lat 52.1, lon 5.1 in the Netherlands and one at lat 47.5, lon 19.0 near Budapest. Which one has better surface drainage tendency, and what's the difference?"},{"title":"Urban development plot comparison","prompt":"We're evaluating two plots for a residential development. Plot A is at 48.2 latitude, 16.4 longitude in Vienna and Plot B is at 50.05 latitude, 14.45 longitude near Prague. Can you compare their drainage tendency so we know which has lower waterlogging risk?"},{"title":"Environmental risk assessment for insurance","prompt":"I need to compare drainage tendency at two insured land parcels in Europe — one near Madrid at lat 40.4, lon -3.7 and one near Lyon at lat 45.7, lon 4.8 — to assess which faces higher surface water accumulation risk."}],"resultDescription":"Returns the measured surface drainage tendency value for each of the two input coordinates, the signed numerical difference between them, and an indication of which location has the higher (better) drainage tendency where the difference is meaningful.","failureModes":["Coordinates outside European coverage bounds (lat 34–72.5, lon -31.5–40.5) return validation error","Fewer or more than exactly two location objects in the array are rejected","Missing required latitude or longitude fields cause schema validation failure","Ambiguous or near-identical values may yield a negligible or zero difference with no clear winner"],"whenToPreferThis":"Use this endpoint when you need a direct, signed pairwise comparison of surface drainage tendency between exactly two European sites — ideal for land selection, site assessment, or risk differentiation workflows. Prefer this over ranking endpoints when only two sites are involved and a signed delta is more useful than an ordinal rank.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:02:46.967Z","isFirstParty":false}