{"uid":"cap_a51rittWIrwR8L1zeTBQf","slug":"halowerk-eastern-land-bulgaria-drainage-tendency-fe49ce55","name":"HALOWERK Eastern Land – Bulgaria Drainage Tendency","description":"Relative runoff tendency derived from slope and ruggedness. The coordinate is validated against the Natural Earth boundary for Bulgaria; results outside it are rejected before payment.","url":"https://ostland.halowerk.com/v1/bg-drainage-tendency","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":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JcrLu9Ayih3MKHjnsjlXt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a relative runoff tendency score derived from slope and terrain ruggedness for a given coordinate within Bulgaria.","exampleAgentPrompt":"What's the relative runoff tendency for the terrain at latitude 42.15, longitude 24.75 in Bulgaria — I need to understand how prone this slope is to surface drainage.","exampleUseCases":[{"title":"Agricultural site drainage risk screening","prompt":"I'm evaluating a farming plot near Plovdiv — can you check the runoff tendency at latitude 42.13, longitude 24.72 so I know if the slope will cause drainage issues for crops?"},{"title":"Reforestation suitability assessment","prompt":"We're planning a reforestation effort and need to assess drainage conditions. What's the drainage tendency score at latitude 43.01, longitude 25.60 in Bulgaria?"},{"title":"Infrastructure slope hazard evaluation","prompt":"Before we approve a road construction route, I need the runoff tendency value at latitude 41.88, longitude 23.45 in Bulgaria to flag any erosion or drainage risks."}],"resultDescription":"A numeric relative runoff tendency value derived from slope gradient and terrain ruggedness at the specified coordinate. The coordinate must fall within Bulgaria's Natural Earth boundary; requests outside this area are rejected before billing.","failureModes":["Coordinate outside Bulgaria boundary — request is rejected before payment with a validation error","Latitude or longitude out of the accepted European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation error","Invalid or missing coordinate values — input schema validation failure","Service unavailability or upstream terrain data error — 5xx response"],"whenToPreferThis":"Use this endpoint when you need a terrain-derived runoff or drainage tendency score specifically for a coordinate in Bulgaria, derived from slope and ruggedness data. Prefer this over general elevation or soil endpoints when the primary concern is hydrological surface-flow tendency rather than raw elevation statistics or soil composition.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:01:15.222Z","isFirstParty":false}