curl --request GET \
  --url https://api.sandbox.teal.dev/v0/reports/receivable-balances \
  --header 'Authorization: Bearer <token>' \
  --header 'teal-instance-id: <teal-instance-id>'

{
  "tag_balances": [
    {
      "tag": {
        "id": "UjL3BQnEaJtecuC7CUeDk",
        "name": "Sprinter - 1ab-c23",
        "tag_group_id": "NCB2xo5S1yQbNgyWskXpwG"
      },
      "balance": 123
    }
  ],
  "unassigned_balance": 123,
  "total_balance": 123
}