curl -X POST "https://api.musicgpt.com/api/public/v2/Extraction" \
-H "Authorization: <API_KEY>" \
-F "audio_url=<YOUR_AUDIO_URL>" \
-F "stem_preset=6_stems" \
-F "webhook_url=https://example.com/webhook"

import requests
import json

url = "https://api.musicgpt.com/api/public/v2/Extraction"

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

data = {
    "stems": json.dumps(["vocals", "drums"]),
    "preprocessing_options": json.dumps(["Denoise"]),
    "eco_mode": False,
    "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())

const form = new FormData();
form.append('audio_url', '<string>');
form.append('audio_file', '<string>');
form.append('stem_preset', '6_stems');
form.append('stems', '["vocals", "drums"]');
form.append('preprocessing_options', '["Denoise", "Dereverb"]');
form.append('eco_mode', 'false');
form.append('webhook_url', 'http://webhook.musicgpt.com');

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

options.body = form;

fetch('https://api.musicgpt.com/api/public/v2/Extraction', 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/v2/Extraction",
  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\n<string>\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=\"stem_preset\"\r\n\r\n6_stems\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"stems\"\r\n\r\n[\"vocals\", \"drums\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"preprocessing_options\"\r\n\r\n[\"Denoise\", \"Dereverb\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"eco_mode\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://webhook.musicgpt.com\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/v2/Extraction"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"audio_url\"\r\n\r\n<string>\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=\"stem_preset\"\r\n\r\n6_stems\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"stems\"\r\n\r\n[\"vocals\", \"drums\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"preprocessing_options\"\r\n\r\n[\"Denoise\", \"Dereverb\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"eco_mode\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://webhook.musicgpt.com\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/v2/Extraction")
  .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\n<string>\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=\"stem_preset\"\r\n\r\n6_stems\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"stems\"\r\n\r\n[\"vocals\", \"drums\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"preprocessing_options\"\r\n\r\n[\"Denoise\", \"Dereverb\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"eco_mode\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://webhook.musicgpt.com\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.musicgpt.com/api/public/v2/Extraction")

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\n<string>\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=\"stem_preset\"\r\n\r\n6_stems\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"stems\"\r\n\r\n[\"vocals\", \"drums\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"preprocessing_options\"\r\n\r\n[\"Denoise\", \"Dereverb\"]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"eco_mode\"\r\n\r\nfalse\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://webhook.musicgpt.com\r\n-----011000010111000001101001--"

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

{
  "success": true,
  "task_id": "98bb0a78-854b-4ca7-a145-834c1ac73901",
  "conversion_id": "7c38aa60-e0c8-4113-983a-f2c6d4e6d257",
  "eta": 57,
  "credit_estimate": 0,
  "message": "Message published to queue",
  "status": "IN_QUEUE",
  "is_free_promo": true,
  "free_generations_remaining_hour": 14,
  "free_generations_remaining_day": 94,
  "free_quota_resets_at": "2026-11-03T15:00:00Z"
}

{
  "success": false,
  "error_code": "INSUFFICIENT_CREDITS",
  "message": ""
}

{
  "success": false,
  "error_code": "UNPROCESSABLE_CONTENT",
  "message": ""
}

{
  "success": false,
  "error_code": "INTERNAL_SERVER_ERROR",
  "message": ""
}