{"endpoints":{"GET /":"API documentation and endpoint listing","GET /tables":"List all available spatial tables in the PostGIS database","POST /export/gpkg":"\n                Export spatial data to GPKG based on area of interest.\n                Required payload:\n                {\n                    \"aoi\": \"minLat,minLon,maxLat,maxLon\",\n                    \"tables\": [\"table1\", \"table2\"]\n                }\n            "}}