curl --request GET \
  --url https://api.wavynode.com/v1/chains \
  --header 'x-api-header: <api-key>'

{
  "success": true,
  "data": [
    {
      "id": 123,
      "name": "<string>",
      "rpc_url": "<string>",
      "explorer_url": "<string>",
      "currency_symbol": "<string>",
      "currency_decimals": 123
    }
  ]
}