{"uid":"cap_iSqBhxgizfQWkS6-xZTRb","slug":"halowerk-southern-land-mean-slope-spain-e5251f1a","name":"HALOWERK Southern Land – Mean Slope (Spain)","description":"Mean first-order surface gradient across the analysis grid. The coordinate is validated against the Natural Earth boundary for Spain; results outside it are rejected before payment.","url":"https://suedland.halowerk.com/v1/es-mean-slope","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_rjxrjfmq133_0V2y-Hck9","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 the mean first-order surface gradient (slope) across an analysis grid cell for a given coordinate within Spain's boundaries.","exampleAgentPrompt":"What's the mean surface slope at latitude 40.4 and longitude -3.7 in Spain? I need the terrain gradient for that location.","exampleUseCases":[{"title":"Agricultural land suitability assessment","prompt":"I'm evaluating a plot at latitude 37.8, longitude -5.2 in Spain for olive farming — can you tell me the mean slope of the terrain there so I know if it's suitable for mechanized harvesting?"},{"title":"Solar farm site screening","prompt":"We're considering a solar installation near latitude 39.5, longitude -0.4 in Spain. What's the average surface slope at that coordinate so we can assess panel tilt requirements?"},{"title":"Erosion risk evaluation for a Spanish parcel","prompt":"I need to assess erosion risk for a land parcel at latitude 41.6, longitude 2.0 in Spain — can you get me the mean terrain gradient for that location?"}],"resultDescription":"A numerical value representing the mean first-order surface gradient (average slope) across the analysis grid cell centered on the given coordinate. Coordinates outside the Natural Earth boundary for Spain are rejected before any charge is made.","failureModes":["Coordinate outside Spain's Natural Earth boundary — request rejected with validation error before payment","Latitude or longitude outside published European coverage range (lat 34–72.5, lon -31.5–40.5) — schema validation failure","Network timeout or service unavailability — no result returned","Invalid coordinate format — input parsing error"],"whenToPreferThis":"Use this endpoint when you need the mean surface slope at a specific point within Spain and want a validated, per-call computation that rejects out-of-boundary coordinates automatically. Prefer this over generic elevation APIs when the focus is specifically on Spain and terrain gradient (not raw elevation), and when pay-per-call pricing at $0.003 per query fits your usage pattern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:41:55.380Z","isFirstParty":false}