curl --request GET \
  --url https://api.engrate.io/core/v1/metering-grid-areas \
  --header 'Authorization: <api-key>'

import requests

url = "https://api.engrate.io/core/v1/metering-grid-areas"

headers = {"Authorization": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<api-key>'}};

fetch('https://api.engrate.io/core/v1/metering-grid-areas', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.engrate.io/core/v1/metering-grid-areas",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.engrate.io/core/v1/metering-grid-areas"

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

	req.Header.Add("Authorization", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.engrate.io/core/v1/metering-grid-areas")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.engrate.io/core/v1/metering-grid-areas")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "mgas": [
    {
      "extra_ids": [
        {
          "kind": "eic",
          "value": "46Y000000000016G"
        },
        {
          "kind": "se.mga_code",
          "value": "STO"
        }
      ],
      "id": "0199c317-25ec-7c00-b1a0-a1b2c3d4e5f6",
      "name": "Stockholm",
      "scheduling_area_eic": "10Y1001A1001A47J",
      "system_operator": {
        "extra_ids": [
          {
            "kind": "eic",
            "value": "46X000000000245K"
          }
        ],
        "id": "0199c317-25ec-7cf7-94cc-32a39f068433"
      }
    }
  ]
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "ctx": {},
      "input": "<unknown>"
    }
  ]
}