curl --request GET \
  --url https://api.ppio.com/gpus/v2/regions \
  --header 'Authorization: <authorization>'

{
  "data": [
    {
      "id": "region-abc123",
      "name": "cn-east-1",
      "gpus": [
        "A100",
        "H100"
      ],
      "feature": {
        "network_volume": true,
        "instance_network": true
      }
    }
  ],
  "next_cursor": "",
  "has_more": false
}