curl --request PUT \
  --url https://api.usedatabrain.com/api/v2/workspace/dashboards \
  --header 'Authorization: Bearer dbn_live_abc123...' \
  --header 'Content-Type: application/json' \
  --data '{
    "workspaceName": "sales-workspace",
    "dashboards": [
      {
        "dashboardId": "db_12345",
        "filters": [
          {
            "name": "Region",
            "applyOnTables": [
              {
                "dataType": "text",
                "schemaName": "public",
                "tableName": "orders",
                "columnName": "region"
              }
            ]
          }
        ]
      },
      {
        "dashboardId": "db_67890",
        "filters": [
          {
            "name": "Created Date",
            "applyOnTables": [
              {
                "dataType": "timestamp",
                "schemaName": "analytics",
                "tableName": "events",
                "columnName": "created_at"
              }
            ]
          }
        ]
      }
    ]
  }'

{
  "data": {
    "success": true
  },
  "error": null
}