{"uid":"cap_B6Aicgy95wi-2159cMfF2","slug":"halowerk-land-compare-local-relief-comparison-two-points-f6b0bbec","name":"HALOWERK Land Compare – Local Relief Comparison (Two Points)","description":"Measures local relief 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-local-relief","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_nxcL6YWAad6-IgYp0uAvO","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 local relief for exactly two European coordinates and returns the signed difference and winner between the two locations.","exampleAgentPrompt":"Compare the local relief between Vienna, Austria (48.2082° N, 16.3738° E) and Zurich, Switzerland (47.3769° N, 8.5417° E) — which one has higher local terrain roughness and by how much?","exampleUseCases":[{"title":"Hiking route terrain comparison","prompt":"I'm planning a hike and want to know which location has more rugged terrain — compare the local relief between Innsbruck, Austria (47.2692° N, 11.4041° E) and Salzburg, Austria (47.8095° N, 13.0550° E)."},{"title":"Real estate site elevation variability","prompt":"We're evaluating two potential development sites in Europe — can you compare the local relief at coordinates 51.5074° N, 0.1278° W (London area) and 48.8566° N, 2.3522° E (Paris area) and tell me which has more terrain variation?"},{"title":"Agricultural land flatness assessment","prompt":"Which of these two farm locations is flatter? Compare local relief at 52.3676° N, 4.9041° E near Amsterdam and 50.8503° N, 4.3517° E near Brussels."}],"resultDescription":"Returns the local relief measurements for both input coordinates, the signed numerical difference between them, and identifies which location has the higher local relief value where meaningful.","failureModes":["Coordinates outside European coverage bounds (lat 34–72.5, lon -31.5–40.5) return a validation error","Fewer or more than exactly two locations in the array returns a schema validation error","Invalid or malformed coordinate values (non-numeric) cause a 400 error","Missing required longitude or latitude fields result in a validation error"],"whenToPreferThis":"Use this endpoint when you need a direct pairwise comparison of local relief (terrain roughness/variability) for exactly two European locations expressed as WGS84 coordinates. Prefer this over ranking endpoints when you only have two sites and want a clean signed difference and winner, rather than a multi-site ranked list.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:04:31.770Z","isFirstParty":false}