{"uid":"cap_eGMfzRyFoEaucrIr90M-6","slug":"halowerk-eastern-land-bulgaria-surface-elevation-4540caec","name":"HALOWERK Eastern Land – Bulgaria Surface Elevation","description":"Bilinear surface elevation from Copernicus DEM GLO-30. 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-elevation","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_ZrG9w2TqqEKjnuNN8-COw","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 bilinear-interpolated surface elevation for a WGS84 coordinate within Bulgaria, sourced from the Copernicus DEM GLO-30 dataset.","exampleAgentPrompt":"What is the surface elevation at latitude 42.698 and longitude 23.322 in Bulgaria, using the Copernicus GLO-30 DEM?","exampleUseCases":[{"title":"Route elevation profiling in Bulgaria","prompt":"I'm planning a hiking route through the Rila mountains — can you look up the surface elevation at 42.18 latitude, 23.59 longitude in Bulgaria so I can estimate the climb?"},{"title":"Agricultural land assessment","prompt":"We're evaluating farmland near Plovdiv — what is the terrain elevation at latitude 42.15, longitude 24.75 in Bulgaria?"},{"title":"Infrastructure site feasibility check","prompt":"Before we approve the building permit, can you fetch the Copernicus DEM elevation at 43.21 latitude, 27.92 longitude inside Bulgaria for our drainage calculations?"}],"resultDescription":"Returns a single bilinear-interpolated elevation value (in metres above sea level) for the queried WGS84 coordinate derived from the Copernicus DEM GLO-30 raster. Coordinates outside the Bulgaria boundary are rejected before any charge is applied.","failureModes":["Coordinate outside Bulgaria boundary — rejected with an error before payment is processed","Coordinate within the European coverage bounding box but outside Bulgaria — validation failure","Latitude or longitude out of the accepted European range (lat 34–72.5, lon −31.5–40.5) — input validation error","Network or service timeout","Payment failure via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need high-resolution (GLO-30, ~30 m) surface elevation for a specific point within Bulgaria and want coordinate pre-validation to avoid wasted calls. Prefer it over generic elevation APIs when you specifically need Copernicus DEM data for Bulgarian territory with per-call micropayment pricing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:14:59.976Z","isFirstParty":false}