Generate music from video

Generate music from a video using Sonilo video-to-music AI. Accepts either a video file upload or a video URL, with an optional prompt. Returns a streaming NDJSON response with one or more parallel audio streams (titles, audio chunks, and completion events). Max video duration: 6 minutes. Max upload size: 300MB.

POST /proxy/sonilo/v2m/generate

Generate music from video

cURL

curl --request POST \
  --url https://api.comfy.org/proxy/sonilo/v2m/generate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'video=<string>' \
  --form 'prompt=<string>' \
  --form 0.video='@example-file'

import requests

url = "https://api.comfy.org/proxy/sonilo/v2m/generate"

files = { "0.video": ("example-file", open("example-file", "rb")) }
payload = {
    "video": "<string>",
    "prompt": "<string>"
}
headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const form = new FormData();
form.append('video', '<string>');
form.append('prompt', '<string>');
form.append('0.video', '{
  "fileName": "example-file"
}');

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

options.body = form;

fetch('https://api.comfy.org/proxy/sonilo/v2m/generate', 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.comfy.org/proxy/sonilo/v2m/generate",
  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=\"video\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.video\"; 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: Bearer <token>",
    "Content-Type: multipart/form-data"
  ],
]);

$response = curl_exec($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.comfy.org/proxy/sonilo/v2m/generate"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"video\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.video\"; 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", "Bearer <token>")

	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.comfy.org/proxy/sonilo/v2m/generate")
  .header("Authorization", "Bearer <token>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"video\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.video\"; 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.comfy.org/proxy/sonilo/v2m/generate")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"video\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"prompt\"\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"0.video\"; 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

200

{
  "copy_index": 1,
  "display_tags": [
    "<string>"
  ],
  "prompt_index": 1,
  "stream_index": 1,
  "title": "<string>",
  "type": "title",
  "summary": "<string>"
}

{
  "detail": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "detail": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "detail": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "detail": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "detail": {
    "code": "<string>",
    "message": "<string>"
  }
}

{
  "detail": {
    "code": "<string>",
    "message": "<string>"
  }
}

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

multipart/form-data

Option 1

Option 2

video · file · required

Multipart file part; e.g. video/mp4. Max file size 300MB.

prompt · string

Optional text prompt to guide music generation.

Response

200

application/x-ndjson

OK - Streaming NDJSON response with audio generation events

Option 1

Option 2

Option 3

Option 4

A single NDJSON event from the Sonilo streaming response. Additional event types beyond those listed may appear; unknown types should be ignored by clients.

copy_index · integer · required

Required range: x >= 0

display_tags · string[] · required

prompt_index · integer · required

Required range: x >= 0

stream_index · integer · required

Required range: x >= 0

title · string · required

type · enum<string> · required

Available options: title

summary · string

Short natural-language description of the generated track.