curl --request GET \
  --url https://supertoneapi.com/v1/custom-voices \
  --header 'x-sup-api-key: <api-key>'

import requests

url = "https://supertoneapi.com/v1/custom-voices"

headers = {"x-sup-api-key": "<api-key>"}

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

print(response.text)

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

fetch('https://supertoneapi.com/v1/custom-voices', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://supertoneapi.com/v1/custom-voices"

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

	req.Header.Add("x-sup-api-key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://supertoneapi.com/v1/custom-voices",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "x-sup-api-key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

HttpResponse<String> response = Unirest.get("https://supertoneapi.com/v1/custom-voices")
  .header("x-sup-api-key", "<api-key>")
  .asString();

{
  "items": [
    {
      "voice_id": "voice_123456789",
      "name": "My Custom Voice",
      "description": "A warm and friendly voice for customer service"
    }
  ],
  "total": 25,
  "next_page_token": "10"
}

{
  "status": "error",
  "message": {
    "message": "Invalid API Key",
    "error": "Unauthorized"
  }
}

{
  "status": "error",
  "message": {
    "message": "Voice not found",
    "error": "Not Found"
  }
}

{
  "status": "error",
  "message": {
    "message": "Failed to convert text to speech",
    "error": "Internal Server Error"
  }
}