import requests

url = "https://api.musicgpt.com/api/public/v1/audio_speed_changer"
headers = {"Authorization": "<API_KEY>"}

payload = {
    "speed_change_factor": 1.5,
    "output_extension": "mp3"
}

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

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

print(response.json())

curl --request POST \
  --url https://api.musicgpt.com/api/public/v1/audio_speed_changer \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'audio_url=<string>' \
  --form speed_change_factor=1.5 \
  --form 'audio_file=<string>' \
  --form output_extension=mp3 \
  --form webhook_url=http://your-webhook-url.com/callback \
  --form 0.audio_file='@example-file' \
  --form 1.audio_file='@example-file'

const form = new FormData();
form.append('audio_url', '<string>');
form.append('speed_change_factor', '1.5');
form.append('audio_file', '<string>');
form.append('output_extension', 'mp3');
form.append('webhook_url', 'http://your-webhook-url.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/audio_speed_changer', 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/audio_speed_changer",
  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=\"speed_change_factor\"\r\n\r\n1.5\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=\"output_extension\"\r\n\r\nmp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://your-webhook-url.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--",
  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/audio_speed_changer"

	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=\"speed_change_factor\"\r\n\r\n1.5\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=\"output_extension\"\r\n\r\nmp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://your-webhook-url.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--")

	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/audio_speed_changer")
  .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=\"speed_change_factor\"\r\n\r\n1.5\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=\"output_extension\"\r\n\r\nmp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://your-webhook-url.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--")
  .asString();

require 'uri'
require 'net/http'

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

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=\"speed_change_factor\"\r\n\r\n1.5\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=\"output_extension\"\r\n\r\nmp3\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"webhook_url\"\r\n\r\nhttp://your-webhook-url.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": "b0ac9d46-64d7-4843-af48-a0b6effe3666",
  "conversion_id": "fe19945b-d466-4183-b559-5d264bddd492",
  "eta": 66,
  "credit_estimate": 0.15,
  "message": "Message published to queue",
  "status": "IN_QUEUE"
}

{
  "success": false,
  "error": "Invalid speed_change_factor"
}

{
  "success": false,
  "error": "Authentication failed"
}

{
  "success": false,
  "error": "Insufficient credits for this operation",
  "required_credits": 45,
  "available_credits": 30
}

{
  "success": false,
  "error": "User subscription plan not found"
}

{
  "success": false,
  "error": "Internal server error during processing"
}