{"uid":"cap_lCpIRv4lLbat0mlwQIxc7","slug":"halowerk-land-compare-multi-site-elevation-ranking-e4d2fa96","name":"HALOWERK Land Compare – Multi-Site Elevation Ranking","description":"Measures elevation for two to ten named European sites and ranks the observed values with ties preserved.","url":"https://landvergleich.halowerk.com/v1/rank-sites-elevation","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":10,"minItems":2}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nof2gOXJT-WRFfOf7sUAQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Measures elevation for two to ten named European sites using WGS84 coordinates and returns a ranked list with ties preserved.","exampleAgentPrompt":"Can you rank these five European sites by elevation: Mont Blanc at 45.8326°N 6.8652°E, Zermatt at 46.0207°N 7.7491°E, Innsbruck at 47.2692°N 11.4041°E, Salzburg at 47.8003°N 13.0448°E, and Vienna at 48.2082°N 16.3738°E — highest to lowest, with ties noted?","exampleUseCases":[{"title":"Alpine route elevation pre-screening","prompt":"I'm planning a cross-Alpine trip and want to rank these six waypoints by elevation: Chamonix (45.9237°N, 6.8694°E), Courmayeur (45.7968°N, 7.0371°E), Zermatt (46.0207°N, 7.7491°E), Grindelwald (46.6243°N, 8.0410°E), Davos (46.8027°N, 9.8370°E), and Innsbruck (47.2692°N, 11.4041°E). Rank them highest to lowest."},{"title":"Renewable energy site elevation comparison","prompt":"We're evaluating wind farm sites across Europe — can you rank these seven candidate locations by elevation so we can prioritize the highest-altitude ones? Coordinates are: 41.6°N 1.5°E, 43.3°N 3.2°E, 47.1°N 8.4°E, 50.2°N 14.4°E, 52.5°N 13.4°E, 48.8°N 2.3°E, 46.2°N 6.1°E."},{"title":"Multi-city property elevation ranking","prompt":"I need to compare elevation for these four European cities for a real estate report: Madrid (40.4168°N, 3.7038°W), Lisbon (38.7169°N, 9.1399°W), Rome (41.9028°N, 12.4964°E), and Athens (37.9838°N, 23.7275°E) — please rank them from lowest to highest and flag any ties."}],"resultDescription":"Returns a ranked list of the submitted named European sites ordered by their measured elevation values, with ties preserved in the ranking (equal-elevation sites share the same rank position). Each entry includes the site name, its elevation measurement, and its rank.","failureModes":["Coordinates outside European coverage bounds (lat 34–72.5°N, lon -31.5–40.5°E) will be rejected","Fewer than 2 or more than 10 sites submitted will fail validation","Missing required latitude or longitude fields cause a schema validation error","Name field exceeding 60 characters will be rejected","Elevation data unavailable for extremely remote or ocean coordinates within nominal bounds"],"whenToPreferThis":"Choose this endpoint when you need to compare and rank elevation across multiple (2–10) European sites simultaneously in a single call, preserving ties. Prefer it over single-coordinate elevation lookups when ranking or ordering is the goal, and over generic elevation APIs when the coverage area is specifically European and the tie-aware ranking output format is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:46:48.350Z","isFirstParty":false}