{"uid":"cap_Sl-RCzqV-Vi2db2RbKtsd","slug":"halowerk-land-compare-worldcover-2020-2021-dominant-class-transition-41548445","name":"HALOWERK Land Compare – WorldCover 2020→2021 Dominant Class Transition","description":"Dominant class transition measured from ESA WorldCover 2020 v100 and 2021 v200 for the same 250 metre analysis area. The result is observed map-class change, not a causal claim.","url":"https://landvergleich.halowerk.com/v1/worldcover-2020-2021-class-transition","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"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."}}},"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_zl8mhzDpCtqaTLMBRn4bM","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":"Returns the dominant land-cover class transition (ESA WorldCover 2020 v100 → 2021 v200) for a 250-metre analysis area at a given European coordinate.","exampleAgentPrompt":"What was the dominant land-cover class at latitude 51.5 longitude 10.2 in 2020 and 2021 according to ESA WorldCover, and did it change?","exampleUseCases":[{"title":"Urban expansion monitoring in Germany","prompt":"I need to check whether the dominant land-cover class shifted at 52.3° N, 13.4° E between the 2020 and 2021 ESA WorldCover maps — I suspect suburban growth around Berlin pushed it from vegetation to built-up land."},{"title":"Post-wildfire vegetation loss check","prompt":"Can you look up the ESA WorldCover dominant class transition at latitude 38.0, longitude 23.7 in Greece? I want to see if the map class flipped from tree cover to bare or burnt land between 2020 and 2021."},{"title":"Agricultural land reclassification audit","prompt":"Check the dominant land-cover class for coordinates 47.1 latitude and 16.6 longitude in Austria for both 2020 and 2021 WorldCover — I'm auditing whether any cropland was reclassified to a different category in that period."}],"resultDescription":"The endpoint returns the dominant ESA WorldCover land-cover class recorded for the specified 250-metre cell in both 2020 (v100) and 2021 (v200), along with the observed class transition between the two years. This is a map-class change observation, not a causal explanation.","failureModes":["Coordinates outside European coverage bounds (lat 34–72.5, lon -31.5–40.5) will be rejected with a validation error","Invalid or missing latitude/longitude values return a 400-level error","Transient server errors may return 5xx responses; retry with backoff","Payment failure (x402) results in a 402 response requiring valid USDC payment","Locations at the boundary of coverage may yield incomplete or null class data"],"whenToPreferThis":"Choose this endpoint when you need to detect or audit a dominant land-cover class change at a specific European point between the 2020 and 2021 ESA WorldCover releases. It is the right choice when a single-coordinate class-transition lookup is needed rather than tree-cover share, built-up fraction, or other continuous metrics. Prefer it over the sibling comparison endpoints when the question is categorical (what class was it, did it change?) rather than quantitative (by how much?).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:10:55.354Z","isFirstParty":false}