curl --request GET \
  --url https://api.flatpeak.com/customers \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "url": "/customers",
  "has_more": true,
  "data": [
    {
      "id": "cus_65e421d1daa4a24082b4f590",
      "object": "customer",
      "live_mode": true,
      "reference_id": "CUS1234567890",
      "locations": [
        "loc_641b90b758fb8e6293716e40"
      ],
      "time_created": "2021-05-05T05:37:27Z",
      "account_id": "acc_65e421bed29d88d9012e0662"
    }
  ]
}