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# Video To Music

POST https://api.elevenlabs.io/v1/music/video-to-music
Content-Type: multipart/form-data

Generate background music from one or more video files. Videos are combined in order. Optional description and style tags influence the generated music.

Reference: https://elevenlabs.io/docs/api-reference/music/video-to-music

## Servers

- `https://api.elevenlabs.io` (Production, default)
- `https://api.us.elevenlabs.io` (Production US)
- `https://api.eu.residency.elevenlabs.io` (Production EU)
- `https://api.in.residency.elevenlabs.io` (Production India)
- `https://api.sg.residency.elevenlabs.io` (Production Singapore)

## Request

### Query parameters

- `output_format` (enum, optional) — Output format of the generated audio. Formatted as codec_sample_rate_bitrate. So an mp3 with 22.05kHz sample rate at 32kbs is represented as mp3_22050_32. MP3 with 192kbps bitrate requires you to be subscribed to Creator tier or above. PCM with 44.1kHz sample rate requires you to be subscribed to Pro tier or above. Note that the μ-law format (sometimes written mu-law, often approximated as u-law) is commonly used for Twilio audio inputs.
  - Allowed values: `mp3_22050_32`, `mp3_24000_48`, `mp3_44100_32`, `mp3_44100_64`, `mp3_44100_96`, `mp3_44100_128`, `mp3_44100_192`, `pcm_8000`, `pcm_16000`, `pcm_22050`, `pcm_24000`, `pcm_32000`, `pcm_44100`, `pcm_48000`, `ulaw_8000`, `alaw_8000`, `opus_48000_32`, `opus_48000_64`, `opus_48000_96`, `opus_48000_128`, `opus_48000_192`
- `enable_logging` (boolean, optional, default: true) — When enable_logging is set to false zero retention mode will be used for the request. Zero retention mode may only be used by enterprise customers.

### Body (multipart/form-data)

This endpoint expects a multipart form with multiple files.

- `videos` (files, required) — One or more video files sent via FormData array (multipart/form-data). They will be combined into one codec in order. A maximum of 10 videos is allowed, where the total size of the combined video is limited to 200MB. In total, the video can be up to 600 seconds long. Note that combining multiple videos may increase the request duration significantly. If possible, combine the videos beforehand.
- `description` (string, optional) — Optional text description of the music you want. A maximum of 4100 characters is allowed.
- `tags` (list of string, optional) — Optional list of style tags (e.g. ['upbeat', 'cinematic']). A maximum of 10 tags is allowed.
- `model_id` (enum, optional) — The model to use for the generation.
- `add_sfx` (boolean, optional) — When true, incorporate SFX cues from the video.
- `separate_tracks` (boolean, optional) — When true, return a ZIP with separate music and SFX audio tracks instead of a single mixed file. Use this for more flexibility to layer the tracks.
- `use_audio_as_reference` (boolean, optional) — When true, analyze the video's audio track and use its genres, BPM, instrumentation, mood, and arc as reference characteristics for music generation.
- `sign_with_c2pa` (boolean, optional) — Whether to sign the generated song with C2PA. Applicable only for mp3 files.

## Response

### 200

Generated audio file matching the video. Content-Type and file extension depend on the output_format parameter (default mp3).

- File download.

## Errors

### 403 Forbidden Error

Subscription required.

- `any`

### 422 Unprocessable Entity Error

Validation error (e.g. invalid or missing videos).

- `any`

## Examples

**Request**

```json
{
  "videos": [
    "<file: string>"
  ]
}
```

**SDK Code**

```python
import requests

url = "https://api.elevenlabs.io/v1/music/video-to-music"

files = { "videos": "open('string', 'rb')" }
payload = {
    "add_sfx": ,
    "description": ,
    "model_id": ,
    "separate_tracks": ,
    "sign_with_c2pa": ,
    "tags": ,
    "use_audio_as_reference": 
}

response = requests.post(url, data=payload, files=files)

print(response.json())
```

```javascript
const url = 'https://api.elevenlabs.io/v1/music/video-to-music';
const form = new FormData();
form.append('add_sfx', '');
form.append('description', '');
form.append('model_id', '');
form.append('separate_tracks', '');
form.append('sign_with_c2pa', '');
form.append('tags', '');
form.append('use_audio_as_reference', '');
form.append('videos', 'string');

const options = {method: 'POST'};

options.body = form;

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

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

func main() {

	url := "https://api.elevenlabs.io/v1/music/video-to-music"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"add_sfx\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"model_id\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separate_tracks\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"sign_with_c2pa\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tags\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"use_audio_as_reference\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"videos\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n")

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

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

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

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.elevenlabs.io/v1/music/video-to-music")

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

request = Net::HTTP::Post.new(url)
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"add_sfx\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"model_id\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separate_tracks\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"sign_with_c2pa\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tags\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"use_audio_as_reference\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"videos\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n"

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

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://api.elevenlabs.io/v1/music/video-to-music")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"add_sfx\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"model_id\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separate_tracks\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"sign_with_c2pa\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tags\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"use_audio_as_reference\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"videos\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.elevenlabs.io/v1/music/video-to-music', [
  'multipart' => [
    [
        'name' => 'videos',
        'filename' => 'string',
        'contents' => null
    ]
  ]
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.elevenlabs.io/v1/music/video-to-music");
var request = new RestRequest(Method.POST);
request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"add_sfx\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"description\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"model_id\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"separate_tracks\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"sign_with_c2pa\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"tags\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"use_audio_as_reference\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"videos\"; filename=\"string\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001--\r\n", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation
let parameters = [
  [
    "name": "add_sfx",
    "value": 
  ],
  [
    "name": "description",
    "value": 
  ],
  [
    "name": "model_id",
    "value": 
  ],
  [
    "name": "separate_tracks",
    "value": 
  ],
  [
    "name": "sign_with_c2pa",
    "value": 
  ],
  [
    "name": "tags",
    "value": 
  ],
  [
    "name": "use_audio_as_reference",
    "value": 
  ],
  [
    "name": "videos",
    "fileName": "string"
  ]
]

let boundary = "---011000010111000001101001"

var body = ""
var error: NSError? = nil
for param in parameters {
  let paramName = param["name"]!
  body += "--\(boundary)\r\n"
  body += "Content-Disposition:form-data; name=\"\(paramName)\""
  if let filename = param["fileName"] {
    let contentType = param["content-type"]!
    let fileContent = String(contentsOfFile: filename, encoding: String.Encoding.utf8)
    if (error != nil) {
      print(error as Any)
    }
    body += "; filename=\"\(filename)\"\r\n"
    body += "Content-Type: \(contentType)\r\n\r\n"
    body += fileContent
  } else if let paramValue = param["value"] {
    body += "\r\n\r\n\(paramValue)"
  }
}

let request = NSMutableURLRequest(url: NSURL(string: "https://api.elevenlabs.io/v1/music/video-to-music")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```