curl --request GET \
  --url https://api.withflex.com/v1/payouts \
  --header 'Authorization: Bearer <token>'

{
  "payouts": [
    {
      "payout_id": "<string>",
      "status": "in_transit",
      "amount": 123,
      "arrival_date": "<string>",
      "created_at": "<string>",
      "test_mode": true,
      "source_type": "<string>"
    }
  ]
}