{"uid":"cap_Q-Bz7-KYiQzB-fPGofiid","slug":"halowerk-land-compare-built-up-share-two-locations-9bf823ef","name":"HALOWERK Land Compare – Built-Up Share (Two Locations)","description":"Measures built-up share 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-built-up-share","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_XUR8JhO_htrOHOgpdyUpc","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 the built-up land share at exactly two European coordinates and returns the signed difference and winner between them.","exampleAgentPrompt":"Compare the built-up land share between central Paris at 48.8566, 2.3522 and central Amsterdam at 52.3676, 4.9041 — tell me which one is more urbanized and by how much.","exampleUseCases":[{"title":"Urban vs rural site selection","prompt":"I'm evaluating two candidate locations for a logistics hub in Europe — one in the outskirts of Berlin at 52.45, 13.35 and one near Lyon at 45.80, 4.88. Can you compare their built-up land shares and tell me which site sits in a more urbanized area?"},{"title":"City development level comparison","prompt":"Which is more built-up: the city center of Madrid at 40.4168, -3.7038 or Warsaw at 52.2297, 21.0122? Give me the built-up share for each and the difference."},{"title":"Environmental impact pre-screening","prompt":"We're assessing two plots in Europe for a green infrastructure project — one at 51.50, -0.12 in London and one at 48.20, 16.37 in Vienna. Can you check which location has less built-up surface coverage so we can prioritize the less urbanized one?"}],"resultDescription":"Returns the built-up land share percentage for each of the two input coordinates, the signed numerical difference between them, and an indication of which location has the higher built-up share (the 'winner'), based on a consistent remote-sensing method applied across European coverage.","failureModes":["Coordinates outside the European coverage bounding box (lat 34–72.5, lon -31.5–40.5) will be rejected","Providing fewer or more than exactly two location objects returns a validation error","Invalid or non-numeric latitude/longitude values cause a bad request error","Locations that are identical or nearly identical may produce a near-zero difference with no clear winner","Payment failure or insufficient USDC balance prevents the call from completing"],"whenToPreferThis":"Use this endpoint when you need a precise, method-consistent pairwise comparison of built-up land share between exactly two European locations. It is purpose-built for two-point comparisons and returns a direct signed difference and winner, making it ideal for site selection, urban analysis, or development assessment workflows where a head-to-head answer is needed. For ranking more than two sites, use the sibling multi-site ranking endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:32:57.899Z","isFirstParty":false}