{"uid":"cap_IQeBhfi65GtElaaRj1hjO","slug":"halowerk-land-compare-local-relief-multi-site-ranking-91dd85b5","name":"HALOWERK Land Compare – Local Relief Multi-Site Ranking","description":"Measures local relief for two to ten named European sites and ranks the observed values with ties preserved.","url":"https://landvergleich.halowerk.com/v1/rank-sites-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":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_3CsjEklleAKZaPsqLhlgi","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 local relief (terrain ruggedness) for 2–10 named European sites and returns a ranked list with ties preserved.","exampleAgentPrompt":"Can you rank these five European sites by local terrain relief — Madrid (40.4168, -3.7038), Zurich (47.3769, 8.5417), Prague (50.0755, 14.4378), Warsaw (52.2297, 21.0122), and Lyon (45.7640, 4.8357) — and tell me which has the most rugged terrain and which is the flattest?","exampleUseCases":[{"title":"Site selection for infrastructure project","prompt":"I'm evaluating six candidate sites across Europe for a wind farm and need to know which has the most rugged local terrain — can you rank Budapest (47.4979, 19.0402), Lisbon (38.7169, -9.1399), Edinburgh (55.9533, -3.1883), Vienna (48.2082, 16.3738), Seville (37.3891, -5.9845), and Riga (56.9496, 24.1052) by local relief?"},{"title":"Real estate terrain comparison","prompt":"We're comparing three rural European properties and want to know which has the highest and lowest local relief — can you rank Graz (47.0707, 15.4395), Montpellier (43.6108, 3.8767), and Gdańsk (54.3520, 18.6466) by terrain ruggedness?"},{"title":"Outdoor activity route planning","prompt":"I'm planning hiking routes across four regions and need to rank them by terrain roughness — please measure and rank local relief for Innsbruck (47.2692, 11.4041), Reykjavik (64.1355, -21.8954), Chamonix (45.9237, 6.8694), and Trondheim (63.4305, 10.3951)."}],"resultDescription":"Returns each named site with its measured local relief value and an ordinal rank (1 = highest relief), with tied values assigned identical ranks and subsequent ranks adjusted accordingly.","failureModes":["Coordinates outside European coverage bounds (lat 34–72.5, lon -31.5–40.5) cause validation errors","Fewer than 2 or more than 10 locations cause schema validation failure","Missing required latitude or longitude fields trigger a 400 error","Names exceeding 60 characters are rejected","Network or upstream terrain data unavailability may return a 5xx error"],"whenToPreferThis":"Use this endpoint when you need to compare local terrain relief across multiple (2–10) European sites simultaneously and want a ranked output with ties preserved. It is preferable over the two-site pairwise endpoints when you have more than two candidates, and preferable over general geospatial APIs when you specifically need local relief as the ranking metric within European coverage.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:54:04.168Z","isFirstParty":false}