curl -X GET "https://your-collabase.ch/api/v1/filters?tab=shared&limit=20" \
  -H "Authorization: Bearer cb_xYz123ABCD..."

{
  "data": {
    "items": [
      {
        "id": "7d1c9a0e-5b0e-4a63-9a1f-0c3a5d2f9e11",
        "name": "Open invoices",
        "description": null,
        "entity": "task",
        "cqlText": "status != \"Done\" AND label IN (\"invoice\")",
        "sort": [{ "field": "dueDate", "direction": "ASC" }],
        "columns": ["key", "title", "dueDate"],
        "ownerId": "u1",
        "ownerName": "Paul Meier",
        "isOrphaned": false,
        "isFavorite": false,
        "level": "VIEW",
        "shareCount": 0,
        "createdAt": "2026-10-12T08:00:00.000Z",
        "updatedAt": "2026-10-14T09:30:00.000Z"
      }
    ],
    "nextCursor": null
  }
}