Get API keys

curl --request GET \
  --url https://{cluster_id}.on-hellgate.cloud/api/admin/api-keys \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "id": "123e4567-e89b-12d3-a456-426614174000",
      "created_at": "2023-10-01T12:00:00Z",
      "masked_key_value": "key_123xxxx",
      "scopes": [
        "admin:api-keys:create",
        "admin:api-keys:update"
      ]
    }
  ],
  "links": {
    "next": "https://my-cluster-id.on-hellgate.cloud/admin/api-keys?after=123e4567-e89b-12d3-a456-426614174000&limit=20"
  }
}