curl --request GET \
  --url https://api.mysubwallet.ng/api/networks \
  --header 'Authorization: <api-key>'

{
  "status": "success",
  "network": [
    {
      "network": "MTN",
      "plan_id": "1"
    },
    {
      "network": "AIRTEL",
      "plan_id": "2"
    },
    {
      "network": "GLO",
      "plan_id": "3"
    },
    {
      "network": "9MOBILE",
      "plan_id": "4"
    }
  ]
}