{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://api.agromonitoring.com/schemas/Polygon.json", "title": "Polygon", "type": "object", "description": "A registered field polygon for crop monitoring.", "properties": { "id": { "type": "string", "description": "Unique identifier for the polygon.", "example": "poly-500123" }, "name": { "type": "string", "description": "Display name for the polygon/field.", "example": "North Field" }, "area": { "type": "number", "format": "double", "description": "Field area in hectares.", "example": 45.2 }, "created_at": { "type": "string", "format": "date-time", "description": "Timestamp when the polygon was created.", "example": "2025-03-15T14:30:00Z" }, "geo_json": { "$ref": "#/components/schemas/GeoJson" } } }