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

import requests

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

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/oauth/{apiId}/{clientId}', 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/oauth/{apiId}/{clientId}",
  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/oauth/{apiId}/{clientId}"

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

require 'uri'
require 'net/http'

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

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

{
  "client_id": "2a06b398c17f46908de3dffcb71ef87d",
  "client_name": "",
  "dcr_registration": {
    "access_token": "",
    "client_uri": "",
    "provider": ""
  },
  "description": "google client",
  "meta_data": {
    "user_id": "362b3fb9a1d5e4f00017226f5"
  },
  "policy_id": "665d51505715ec2d76022c87",
  "redirect_uri": "https://httpbin.org/ip",
  "secret": "MmQwNTI5NGQtYjU0YS00NjMyLWIwZjktNTZjY2M1ZjhjYWY0"
}

{
  "Message": "API reference not found.",
  "Meta": null,
  "Status": "Error"
}

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

{
  "Message": "You don't have access to this.",
  "Meta": null,
  "Status": "Error"
}

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

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