curl --request GET \
  --url https://api.hubapi.com/crm/lists/2026-03/{listId} \
  --header 'Authorization: Bearer <token>'

{
  "list": {
    "listId": "<string>",
    "listVersion": 123,
    "name": "<string>",
    "objectTypeId": "<string>",
    "processingStatus": "<string>",
    "processingType": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "createdById": "<string>",
    "deletedAt": "2023-11-07T05:31:56Z",
    "filterBranch": {
      "filterBranchOperator": "<string>",
      "filterBranchType": "OR",
      "filterBranches": [
        {
          "filterBranchOperator": "<string>",
          "filterBranchType": "AND",
          "filterBranches": "<array>",
          "filters": [
            {
              "filterType": "PROPERTY",
              "operation": "<unknown>",
              "property": "<string>"
            }
          ]
        }
      ],
      "filters": [
        {
          "filterType": "PROPERTY",
          "operation": {
            "includeObjectsWithNoValueSet": true,
            "operationType": "BOOL",
            "operator": "<string>",
            "value": true
          },
          "property": "<string>"
        }
      ]
    },
    "filtersUpdatedAt": "2023-11-07T05:31:56Z",
    "listPermissions": {
      "teamsWithEditAccess": [
        123
      ],
      "usersWithEditAccess": [
        123
      ]
    },
    "membershipSettings": {
      "includeUnassigned": true,
      "membershipTeamId": 123
    },
    "size": 123,
    "updatedAt": "2023-11-07T05:31:56Z",
    "updatedById": "<string>"
  }
}