curl --request GET \
  --url http://localhost:3001/portal-api/apps/{app_id} \
  --header 'Authorization: <api-key>'

import requests

url = "http://localhost:3001/portal-api/apps/{app_id}"

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

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

print(response.text)

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

fetch('http://localhost:3001/portal-api/apps/{app_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "3001",
  CURLOPT_URL => "http://localhost:3001/portal-api/apps/{app_id}",
  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 := "http://localhost:3001/portal-api/apps/{app_id}"

	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("http://localhost:3001/portal-api/apps/{app_id}")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:3001/portal-api/apps/{app_id}")

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

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

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

{
  "Name": "Payment App",
  "Description": "This is my payment application",
  "RedirectURLs": "https://app-host/auth",
  "UserID": 1,
  "Visibility": "personal",
  "ID": 1,
  "CreatedAt": "2023-06-25 13:37",
  "AccessRequests": [
    [
      {
        "Catalogue": "Public Catalogue",
        "Client": "Payment application",
        "CreatedAt": "2023-06-25 13:37",
        "UpdatedAt": "2023-06-25 13:37",
        "DeletedAt": "2023-06-25 13:37",
        "Plan": "Free plan",
        "User": "User#1",
        "AuthType": "authToken",
        "DCREnabled": false,
        "ID": 1,
        "ProvisionImmediately": true,
        "Products": [
          "Payment API"
        ],
        "Credentials": [
          {
            "AccessRequest": "AccessRequest#2",
            "Credential": "eyJvcmciOiI1ZTlkOTU0NGExZGNkNjAwMDFkMGVkMjAiLCJpZCI6IjY4MjZjZGViMmVlMzQ3ZGQ5ZjQ1ZWZmMjEyMTlhOWU1IiwiaCI6Im11cm11cjY0In0=",
            "CredentialHash": "e1212449778b7ba4",
            "DCRRegistrationAccessToken": "eyJhbGciOiJIUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJmZjIyNmYyZi0yMDA0LTRlOWItOTFmOC1iOGYzOTA2ZDJmYTQifQ.eyJleHAiOjAsImlhdCI6MTY4NzczNzM5MCwianRpIjoiNjc3OTgwYjktZjgwMS00MmQ2LWI4OTItZDdkNDk1MmFhMjU5IiwiaXNzIjoiaHR0cDovL2xvY2FsaG9zdDo5OTk5L3JlYWxtcy9tYXN0ZXIiLCJhdWQiOiJodHRwOi8vbG9jYWxob3N0Ojk5OTkvcmVhbG1zL21hc3RlciIsInR5cCI6IlJlZ2lzdHJhdGlvbkFjY2Vzc1Rva2VuIiwicmVnaXN0cmF0aW9uX2F1dGgiOiJhdXRoZW50aWNhdGVkIn0.wyE93vktqlCywgtyJ8HBTjRPG9NvZEDR3zpSMncdwno",
            "DCRRegistrationClientURI": "http://idp-host/realms/master/clients-registrations/openid-connect/cf4ab76c-c437-4ba2-8e94-1323269b5090",
            "DCRResponse": "{\"redirect_uris\":[\"http://app-host/auth\"],\"token_endpoint_auth_method\":\"client_secret_basic\",\"grant_types\":[\"implicit\",\"client_credentials\"],\"response_types\":[\"id_token\",\"id_token token\"],\"client_id\":\"cf4ab76c-c437-4ba2-8e94-1323269b5090\",\"client_secret\":\"iDe9fkFNBDbVS5JOtYNUDIO8w8N6dWzf\",\"client_name\":\"OAuth2.0 client\",\"scope\":\"address phone offline_access microprofile-jwt\",\"subject_type\":\"public\",\"request_uris\":[],\"tls_client_certificate_bound_access_tokens\":false,\"client_id_issued_at\":1687737390,\"client_secret_expires_at\":0,\"registration_client_uri\":\"http://idp-host/realms/master/clients-registrations/openid-connect/cf4ab76c-c437-4ba2-8e94-1323269b5090\",\"registration_access_token\":\"eyJhbGciOiJIUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJmZjIyNmYyZi0yMDA0LTRlOWItOTFmOC1iOGYzOTA2ZDJmYTQifQ.eyJleHAiOjAsImlhdCI6MTY4NzczNzM5MCwianRpIjoiNjc3OTgwYjktZjgwMS00MmQ2LWI4OTItZDdkNDk1MmFhMjU5IiwiaXNzIjoiaHR0cDovL2xvY2FsaG9zdDo5OTk5L3JlYWxtcy9tYXN0ZXIiLCJhdWQiOiJodHRwOi8vbG9jYWxob3N0Ojk5OTkvcmVhbG1zL21hc3RlciIsInR5cCI6IlJlZ2lzdHJhdGlvbkFjY2Vzc1Rva2VuIiwicmVnaXN0cmF0aW9uX2F1dGgiOiJhdXRoZW50aWNhdGVkIn0.wyE93vktqlCywgtyJ8HBTjRPG9NvZEDR3zpSMncdwno\",\"backchannel_logout_session_required\":false,\"require_pushed_authorization_requests\":false,\"frontchannel_logout_session_required\":false}",
            "Expires": "1969-12-31 19:00",
            "OAuthClientID": "cf4ab76c-c437-4ba2-8e94-1323269b5090",
            "OAuthClientSecret": "iDe9fkFNBDbVS5JOtYNUDIO8w8N6dWzf",
            "RedirectURI": "https://app-host/auth",
            "ResponseType": "id_token token",
            "Scope": "payment client",
            "TokenEndpoints": "payment client"
          }
        ]
      }
    ]
  ]
}