const options = {method: 'GET'};

fetch('http://localhost:4065/v1/kubernetes/namespaces', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "http://localhost:4065/v1/kubernetes/namespaces"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

curl --request GET \
  --url http://localhost:4065/v1/kubernetes/namespaces

import requests

url = "http://localhost:4065/v1/kubernetes/namespaces"

response = requests.get(url)

print(response.text)

{
  "success": true,
  "data": {
    "items": [
      {}
    ],
    "continueToken": "<string>"
  },
  "meta": {
    "requestId": "<string>",
    "timestamp": "<string>"
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  },
  "meta": {
    "requestId": "<string>",
    "timestamp": "<string>"
  }
}