{"uid":"cap_DYkRiY_m-DhXSkIGAptno","slug":"halowerk-land-compare-mean-slope-two-locations-a6bd6590","name":"HALOWERK Land Compare – Mean Slope (Two Locations)","description":"Measures mean slope 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-mean-slope","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_cg8ltgB63x2-KPXgn3SGL","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":"Computes and compares mean terrain slope for exactly two European coordinate pairs, returning the signed difference and identifying which location is steeper.","exampleAgentPrompt":"Compare the mean slope between two locations for me: one at longitude 8.54, latitude 47.37 (Zurich hills) and another at longitude 13.40, latitude 52.52 (Berlin) — tell me which is steeper and by how much.","exampleUseCases":[{"title":"Selecting less steep construction site","prompt":"I'm deciding between two potential building plots in Europe — one near the Alps at longitude 11.1, latitude 47.2 and one closer to the coast at longitude 9.8, latitude 53.5. Can you compare their mean slopes and tell me which site is flatter and by how much?"},{"title":"Cycling route terrain comparison","prompt":"I want to know which of two European cycling destinations has gentler terrain on average — compare longitude 2.35, latitude 48.85 near Paris versus longitude 16.37, latitude 48.21 near Vienna and tell me the slope difference."},{"title":"Agricultural suitability assessment","prompt":"We're evaluating two farm plots: one at longitude -3.7, latitude 40.4 in central Spain and another at longitude 14.5, latitude 46.1 in Slovenia. Which one has a lower mean slope, making it more suitable for crop machinery, and what's the difference?"}],"resultDescription":"Returns the mean slope values for both input coordinates, the signed arithmetic difference between them (location A minus location B), and a winner field indicating which location has the higher mean slope — or indicates no meaningful difference if values are equal.","failureModes":["Coordinates outside the European coverage bounds (lat 34–72.5, lon -31.5–40.5) will be rejected","Fewer or more than exactly two location objects will be rejected due to minItems/maxItems constraints","Missing required longitude or latitude fields returns a validation error","Malformed numeric values for coordinates cause a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need a direct pairwise comparison of mean terrain slope for exactly two European locations and want an explicit signed difference and winner — rather than computing raw slope values independently or ranking more than two sites.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:09:48.302Z","isFirstParty":false}