import requests

url = "https://api.musicgpt.com/api/public/v1/sing_over_instrumental"
headers = {"Authorization": "<API_KEY>"}
data = {
  "prompt": "Sing emotional vocals over a soft piano instrumental.",
  "lyrics": "Never mind I'll find someone like you...",
  "gender": "female",
  "title": "My Generated Track",
  "webhook_url": "https://yourdomain.com/webhook"
}

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

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

 print(response.json())

curl --request POST \
  --url https://api.musicgpt.com/api/public/v1/sing_over_instrumental \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: multipart/form-data' \
  --form audio_url=https://bucket.s3.amazonaws.com/audio.mp3 \
  --form 'prompt=Sing emotional vocals over a soft piano instrumental.' \
  --form 'lyrics=Never mind I'\''ll find someone like you...' \
  --form 'audio_file=<string>' \
  --form gender=female \
  --form 'title=<string>' \
  --form generate_album_cover=false \
  --form webhook_url=https://yourdomain.com/webhook \
  --form 0.audio_file='@example-file' \
  --form 1.audio_file='@example-file'

const form = new FormData();
form.append('audio_url', 'https://bucket.s3.amazonaws.com/audio.mp3');
form.append('prompt', 'Sing emotional vocals over a soft piano instrumental.');
form.append('lyrics', 'Never mind I'll find someone like you...');
form.append('audio_file', '<string>');
form.append('gender', 'female');
form.append('title', '<string>');
form.append('generate_album_cover', 'false');
form.append('webhook_url', 'https://yourdomain.com/webhook');
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/sing_over_instrumental', 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://api.musicgpt.com/api/public/v1/sing_over_instrumental",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"audio_url\"\r\n\r\nhttps://bucket.s3.amazonaws.com/audio.mp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\nSing emotional vocals over a soft piano instrumental.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lyrics\"\r\n\r\nNever mind I'll find someone like you...\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=\"gender\"\r\n\r\nfemale\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"generate_album_cover\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttps://yourdomain.com/webhook\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--",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: multipart/form-data; boundary=---011000010111000001101001"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

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

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"audio_url\"\r\n\r\nhttps://bucket.s3.amazonaws.com/audio.mp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\nSing emotional vocals over a soft piano instrumental.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lyrics\"\r\n\r\nNever mind I'll find someone like you...\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=\"gender\"\r\n\r\nfemale\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"generate_album_cover\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttps://yourdomain.com/webhook\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--")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<api-key>")
	req.Header.Add("Content-Type", "multipart/form-data; boundary=---011000010111000001101001")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.musicgpt.com/api/public/v1/sing_over_instrumental")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "multipart/form-data; boundary=---011000010111000001101001")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"audio_url\"\r\n\r\nhttps://bucket.s3.amazonaws.com/audio.mp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\nSing emotional vocals over a soft piano instrumental.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lyrics\"\r\n\r\nNever mind I'll find someone like you...\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=\"gender\"\r\n\r\nfemale\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"generate_album_cover\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttps://yourdomain.com/webhook\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--")
  .asString();

require 'uri'
require 'net/http'

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

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://bucket.s3.amazonaws.com/audio.mp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\nSing emotional vocals over a soft piano instrumental.\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"lyrics\"\r\n\r\nNever mind I'll find someone like you...\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=\"gender\"\r\n\r\nfemale\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"title\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"generate_album_cover\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttps://yourdomain.com/webhook\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,
  "message": "Sing Over Instrumental request submitted successfully",
  "task_id": "task-abcde12345",
  "conversion_id_1": "over-instrumental-1",
  "conversion_id_2": "over-instrumental-2",
  "eta": 45,
  "credit_estimate": 50
}

{
  "success": false,
  "error": "Either audio_file or audio_url must be provided, along with prompt and lyrics."
}

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