curl --request GET \
  --url https://{tenant}/admin/organisations \
  --header 'Admin-Auth: <api-key>'

import requests

url = "https://{tenant}/admin/organisations"

headers = {"Admin-Auth": "<api-key>"}

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

print(response.text)

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

fetch('https://{tenant}/admin/organisations', 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://{tenant}/admin/organisations",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Admin-Auth: <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://{tenant}/admin/organisations"

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

	req.Header.Add("Admin-Auth", "<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://{tenant}/admin/organisations")
  .header("Admin-Auth", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{tenant}/admin/organisations")

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

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

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

{
  "organisations": [
    {
      "apis": [
        {
          "api_human_name": "First API #Test",
          "api_id": "5508bd9429434d5768c423a04db259ea"
        }
      ],
      "cname": "jive.ly",
      "cname_enabled": true,
      "developer_count": 0,
      "developer_quota": 0,
      "event_options": {},
      "hybrid_enabled": false,
      "id": "5cc03283d07e7f00019404b3",
      "org_options_meta": {},
      "owner_name": "Jively",
      "owner_slug": "testorg",
      "ui": {
        "cloud": false,
        "default_lang": "",
        "designer": {},
        "dont_allow_license_management": false,
        "dont_allow_license_management_view": false,
        "dont_show_admin_sockets": false,
        "hide_help": false,
        "languages": {},
        "login_page": {},
        "nav": {},
        "portal_section": {},
        "uptime": {}
      }
    },
    {
      "apis": [],
      "cname": "second.ly",
      "cname_enabled": false,
      "developer_count": 5,
      "developer_quota": 10,
      "event_options": {},
      "hybrid_enabled": true,
      "id": "5ccae84aa402ce00018b5435",
      "org_options_meta": {},
      "owner_name": "SecondOrg",
      "owner_slug": "secondorg",
      "ui": {
        "cloud": false,
        "default_lang": "",
        "designer": {},
        "dont_allow_license_management": false,
        "dont_allow_license_management_view": false,
        "dont_show_admin_sockets": false,
        "hide_help": false,
        "languages": {},
        "login_page": {},
        "nav": {},
        "portal_section": {},
        "uptime": {}
      }
    }
  ],
  "pages": 0
}

{
  "Message": "Could not retrieve Organisations",
  "Meta": null,
  "Status": "Error"
}

{
  "Message": "Failed to unmarshal orgs data from Tyk API",
  "Meta": null,
  "Status": "Error"
}