{"uid":"cap_0GUw7mDOQ9j79ZmVXuMCk","slug":"halowerk-land-compare-water-wetland-change-worldcover-2020-2021-c33fa026","name":"HALOWERK Land Compare – Water & Wetland Change (WorldCover 2020→2021)","description":"Water and wetland-share change 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-water-wetland-change","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_N3DR_k2di4bwps9TiwjAt","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 change in water and wetland land-cover share at a given European location by comparing ESA WorldCover 2020 v100 and 2021 v200 within a 250-metre analysis area.","exampleAgentPrompt":"Using ESA WorldCover data, what was the change in water and wetland coverage between 2020 and 2021 at latitude 52.3 and longitude 4.9 in the Netherlands?","exampleUseCases":[{"title":"Wetland habitat loss assessment","prompt":"Check whether the wetland area around latitude 47.6, longitude 16.7 in Austria shrank or grew between the 2020 and 2021 ESA WorldCover snapshots — I need the water and wetland share change for that 250-metre zone."},{"title":"Flood-plain monitoring report","prompt":"Has the water and wetland coverage at latitude 51.8, longitude 5.1 in the Dutch river delta changed significantly from 2020 to 2021? I'm looking at potential flood-plain shifts using WorldCover map data."},{"title":"Environmental due diligence for land parcel","prompt":"I need to check the ESA WorldCover water and wetland change for a parcel at latitude 53.4, longitude 9.9 in northern Germany — did the wetland share increase or decrease between 2020 and 2021?"}],"resultDescription":"Returns the observed change in water and wetland land-cover share (as a signed numeric value) between ESA WorldCover 2020 v100 and 2021 v200 for the 250-metre area around the provided European coordinate. This is a map-class observation, not a causal interpretation.","failureModes":["Coordinates outside European coverage bounds (lat 34–72.5, lon -31.5–40.5) will be rejected","Non-numeric or missing latitude/longitude values result in validation errors","No change detected if both years show identical land-cover classification in the area","Service may return error if the ESA WorldCover tile for the location has missing data"],"whenToPreferThis":"Use this endpoint when you need a precise, consistent, single-method comparison of water and wetland land-cover share change at a specific European point between 2020 and 2021, sourced from ESA WorldCover. Prefer it over general GIS tools when you want a pay-per-call, lightweight lookup without needing to manage raster data yourself. It is ideal for environmental monitoring, due diligence, or land-change analytics scoped to European geographies.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:54:13.476Z","isFirstParty":false}