curl -X GET https://backendapi.sayswitchgroup.com/api/v1/wallet_balance/NGN \
  -H "Authorization: Bearer YOUR_SECRET_KEY"

// Run secret-key requests on your server.
const response = await fetch("https://backendapi.sayswitchgroup.com/api/v1/wallet_balance/NGN", {
  method: "GET",
  headers: {
    "Authorization": "Bearer YOUR_SECRET_KEY"
  }
});
 
const responseBody = await response.text();
console.log(response.status, responseBody);

<?php
$request = curl_init('https://backendapi.sayswitchgroup.com/api/v1/wallet_balance/NGN');
 
curl_setopt_array($request, [
    CURLOPT_CUSTOMREQUEST => 'GET',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer YOUR_SECRET_KEY',
    ],
]);
 
$responseBody = curl_exec($request);
$status = curl_getinfo($request, CURLINFO_HTTP_CODE);
curl_close($request);
 
echo $status . PHP_EOL;
echo $responseBody;

from urllib.request import Request, urlopen
 
request = Request(
    "https://backendapi.sayswitchgroup.com/api/v1/wallet_balance/NGN",
    method="GET",
    headers={
        "Authorization": "Bearer YOUR_SECRET_KEY",
    },
)
 
with urlopen(request) as response:
    response_body = response.read().decode()
    print(response.status, response_body)

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
 
var request = HttpRequest.newBuilder()
    .uri(URI.create("https://backendapi.sayswitchgroup.com/api/v1/wallet_balance/NGN"))
    .header("Authorization", "Bearer YOUR_SECRET_KEY")
    .method("GET", HttpRequest.BodyPublishers.noBody())
    .build();
 
var response = HttpClient.newHttpClient().send(
    request,
    HttpResponse.BodyHandlers.ofString()
);
 
System.out.println(response.statusCode());
System.out.println(response.body());