import requests

url = "https://api.musicgpt.com/api/public/v1/VoiceChanger"

headers = {
    "Authorization": "<API_KEY>"
}

data = {
    "voice_id": "e0bb585f-b798-4bac-ac4e-de7fff38f9d75",
    "remove_background": 1,
    "pitch": 0,
    "webhook_url": "https://example.com/my-webhook"
}

# Option 1: audio_url
data["audio_url"] = "<YOUR_AUDIO_URL>"
response = requests.post(url, headers=headers, data=data)

# Option 2: File Upload
# with open("song.mp3", "rb") as f:
#     files = {"audio_file": f}
#     response = requests.post(url, headers=headers, data=data, files=files)

print(response.json())

<?php
$url = "https://api.musicgpt.com/api/public/v1/VoiceChanger";
$apiKey = "<API_KEY>";

$data = [
    "voice_id" => "voice_12345",
    "remove_background" => 1,
    "pitch" => 0,
    "webhook_url" => "https://example.com/my-webhook"
];

// Option 1: audio_url
$data["audio_url"] = "<YOUR_AUDIO_URL>";

// Option 2: File Upload
// $data["audio_file"] = new CURLFile("song.mp3");

$headers = [
    "Authorization: " . $apiKey
];

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

package main

import (
	"bytes"
	"fmt"
	"io"
	"mime/multipart"
	"net/http"
	"os"
)

func main() {
	url := "https://api.musicgpt.com/api/public/v1/VoiceChanger"
	apiKey := "<API_KEY>"

	payload := map[string]string{
		"voice_id": "voice_12345",
		"remove_background": "1",
		"pitch": "0",
		"webhook_url": "https://example.com/my-webhook",
	}

	body := &bytes.Buffer{}
	writer := multipart.NewWriter(body)

	for key, val := range payload {
		_ = writer.WriteField(key, val)
	}

	// Option 1: audio_url
	writer.WriteField("audio_url", "<YOUR_AUDIO_URL>")

	// Option 2: File Upload
	// file, _ := os.Open("song.mp3")
	// defer file.Close()
	// part, _ := writer.CreateFormFile("audio_file", "song.mp3")
	// io.Copy(part, file)

	writer.Close()

	req, _ := http.NewRequest("POST", url, body)
	req.Header.Set("Authorization", apiKey)
	req.Header.Set("Content-Type", writer.FormDataContentType())

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println(err)
		return
	}
	defer resp.Body.Close()

	response, _ := io.ReadAll(resp.Body)
	fmt.Println(string(response))
}

import okhttp3.*;

import java.io.File;
import java.io.IOException;

public class VoiceChanger {
    public static void main(String[] args) throws IOException {
        String url = "https://api.musicgpt.com/api/public/v1/VoiceChanger";
        String apiKey = "<API_KEY>";

        // Option 1: audio_url
        RequestBody requestBody = new FormBody.Builder()
                .add("audio_url", "<YOUR_AUDIO_URL>")
                .add("voice_id", "voice_12345")
                .add("remove_background", "1")
                .add("pitch", "0")
                .add("webhook_url", "https://example.com/my-webhook")
                .build();

        // Option 2: File Upload
        // File audioFile = new File("song.mp3");
        // RequestBody requestBody = new MultipartBody.Builder()
        //         .setType(MultipartBody.FORM)
        //         .addFormDataPart("voice_id", "voice_12345")
        //         .addFormDataPart("remove_background", "1")
        //         .addFormDataPart("pitch", "0")
        //         .addFormDataPart("webhook_url", "https://example.com/my-webhook")
        //         .addFormDataPart("audio_file", audioFile.getName(),
        //                 RequestBody.create(audioFile, MediaType.parse("audio/mpeg")))
        //         .build();

        Request request = new Request.Builder()
                .url(url)
                .post(requestBody)
                .header("Authorization", apiKey)
                .build();

        OkHttpClient client = new OkHttpClient();
        try (Response response = client.newCall(request).execute()) {
            System.out.println(response.body().string());
        }
    }
}

curl --request POST \
  --url https://api.musicgpt.com/api/public/v1/VoiceChanger \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: multipart/form-data' \
  --form audio_url=https://example.com/audio.wav \
  --form voice_id=demo-voice-id \
  --form 'audio_file=<string>' \
  --form remove_background=0 \
  --form pitch=0 \
  --form webhook_url=https://example.com/callback \
  --form 0.audio_file='@example-file' \
  --form 1.audio_file='@example-file'

const form = new FormData();
form.append('audio_url', 'https://example.com/audio.wav');
form.append('voice_id', 'demo-voice-id');
form.append('audio_file', '<string>');
form.append('remove_background', '0');
form.append('pitch', '0');
form.append('webhook_url', 'https://example.com/callback');
form.append('0.audio_file', '{
  "fileName": "example-file"
}');
form.append('1.audio_file', '{
  "fileName": "example-file"
}');

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

options.body = form;

fetch('https://api.musicgpt.com/api/public/v1/VoiceChanger', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

require 'uri'
require 'net/http'

url = URI("https://api.musicgpt.com/api/public/v1/VoiceChanger")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'multipart/form-data; boundary=---011000010111000001101001'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"audio_url\"\r\n\r\nhttps://example.com/audio.wav\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"voice_id\"\r\n\r\ndemo-voice-id\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"audio_file\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"remove_background\"\r\n\r\n0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"pitch\"\r\n\r\n0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttps://example.com/callback\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.audio_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n{\r\n  \"fileName\": \"example-file\"\r\n}\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"1.audio_file\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n{\r\n  \"fileName\": \"example-file\"\r\n}\r\n-----011000010111000001101001--"

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

{
  "success": true,
  "task_id": "84038e1e-3687-4f7a-9c55-692754b125ee",
  "conversion_id": "e3631817-165d-4f17-a7e2-7008d200ff3e",
  "eta": 22
}

{
  "success": false,
  "error": "The file could not be downloaded from the provided URL"
}

{
  "success": false,
  "error": "Insufficient credit balance"
}

{
  "success": false,
  "error": "Both audio_url and audio_file cannot be None"
}

{
  "success": false,
  "error": "Internal Server Error"
}