curl --request GET \
  --url https://{tenant}/api/apis/{apiId} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://{tenant}/api/apis/{apiId}"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://{tenant}/api/apis/{apiId}', 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}/api/apis/{apiId}",
  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: Bearer <token>"
  ],
]);

$response = curl_exec($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}/api/apis/{apiId}"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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}/api/apis/{apiId}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{tenant}/api/apis/{apiId}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "api_definition": {
    "api_id": "b84fe1a04e5648927971c0557971565c",
    "auth": {
      "auth_header_name": "authorization"
    },
    "definition": {
      "key": "version",
      "location": "header"
    },
    "id": "66596520c7f5720001b22558",
    "name": "Tyk Test API",
    "org_id": "664a14650619d40001f1f00f",
    "proxy": {
      "listen_path": "/tyk-api-test/",
      "strip_listen_path": true,
      "target_url": "https://httpbin.org"
    },
    "use_oauth2": true,
    "version_data": {
      "not_versioned": true,
      "versions": {
        "Default": {
          "name": "Default"
        }
      }
    }
  }
}

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

{
  "Message": "Not authorised",
  "Meta": null,
  "Status": "Error"
}

{
  "Message": "access denied: You do not have permission to access  /api/apis/{apiId}",
  "Meta": null,
  "Status": "Error"
}

{
  "Message": "Failed to marshal data for API detail",
  "Meta": null,
  "Status": "Error"
}