Inference Logoinference shell

Video Downloader

Download videos and audio from YouTube, Instagram, Twitter/X, TikTok and 1000+ sites. Supports audio-only extraction, video+audio, or video-only with customizable quality, codec, and proxy options.

media utilities
run in browser →run via APIrun with your agent
maker
infsh
category
audio
runs via
api, javascript and python sdk, belt cli, mcp
updated
2026-10-26
price
from $0.00000277/sec

api reference

about

download videos and audio from youtube, instagram, twitter/x, tiktok and 1000+ sites. supports audio-only extraction, video+audio, or video-only with customizable quality, codec, and proxy options.

get an api key

create one in settings → api keys. the examples read it from INFERENCE_API_KEY.

bash
1export INFERENCE_API_KEY="inf_your_key"

1. calling the api

install the client

nothing to install. any http client works; the examples use curl, and jq to read responses. every response wraps its result in a data field.

run and get result

send "wait": true to hold the connection until the task finishes. without it the call returns right away with the task still running.

bash
12# "wait": true holds the connection until the task finishes.3# the response is {"data": {"id", "status", "status_text", "output", ...}}4curl -X POST https://api.inference.sh/apps/run \5  -H "Authorization: Bearer $INFERENCE_API_KEY" \6  -H "Content-Type: application/json" \7  -d '{8    "app": "infsh/video-downloader",9    "input": {10      "url": "url"11    },12    "wait": true13  }'

stream live updates

get real-time progress updates as the task runs. ideal for showing progress bars, partial results, or long-running tasks. send "stream": true and the response is a server-sent event stream that ends when the task does.

bash
12# "stream": true answers with server-sent events until the task finishes3curl -N -X POST https://api.inference.sh/apps/run \4  -H "Authorization: Bearer $INFERENCE_API_KEY" \5  -H "Content-Type: application/json" \6  -d '{7    "app": "infsh/video-downloader",8    "input": {9      "url": "url"10    },11    "stream": true12  }'

run in the background

start the task and get its id back right away, then check on it later. for long tasks, or when you'd rather be called back, see webhooks.

bash
1# without "wait" the call returns the task right away (status 1, "received")2TASK_ID=$(curl -s -X POST https://api.inference.sh/apps/run \3  -H "Authorization: Bearer $INFERENCE_API_KEY" \4  -H "Content-Type: application/json" \5  -d '{6    "app": "infsh/video-downloader",7    "input": {8      "url": "url"9    }10  }' | jq -r '.data.id')1112# later: read its state. done when status is 10 (completed), 11 (failed) or 12 (cancelled)13curl -s https://api.inference.sh/tasks/$TASK_ID \14  -H "Authorization: Bearer $INFERENCE_API_KEY" | jq '.data | {status, status_text, output}'

2. authentication

the api uses api keys for authentication. see the authentication docs for detailed setup instructions.

3. files

file inputs are automatically handled by the sdk. you can pass local paths, urls, or base64 data.

automatic upload

pass urls directly or use data uris for inline content.

bash
1# pass URLs or data URIs as input values2curl -X POST https://api.inference.sh/apps/run \3  -H "Authorization: Bearer $INFERENCE_API_KEY" \4  -H "Content-Type: application/json" \5  -d '{6    "app": "infsh/video-downloader",7    "input": {8      "image": "https://example.com/image.png",9      "audio": "data:audio/mp3;base64,..."10    },11    "wait": true12  }'

manual upload

you can also upload files manually and use the returned url.

bash
1# 1. create the file: the response has an upload_url and the file's uri2FILE=$(curl -s -X POST https://api.inference.sh/files \3  -H "Authorization: Bearer $INFERENCE_API_KEY" \4  -H "Content-Type: application/json" \5  -d '{"files": [{"filename": "image.png", "content_type": "image/png"}]}')67# 2. PUT the bytes to upload_url8curl -X PUT "$(echo "$FILE" | jq -r '.data[0].upload_url')" \9  -H "Content-Type: image/png" \10  --data-binary @image.png1112# 3. pass the uri as an input value13echo "$FILE" | jq -r '.data[0].uri'

4. webhooks

get notified when a task completes by providing a webhook url. when the task reaches a terminal state (completed, failed, or cancelled), a POST request is sent to your url with the task result.

bash
1curl -X POST https://api.inference.sh/apps/run \2  -H "Authorization: Bearer $INFERENCE_API_KEY" \3  -H "Content-Type: application/json" \4  -d '{5    "app": "infsh/video-downloader",6    "input": {7        "url": "url"8    },9    "webhook": "https://your-server.com/webhook"10  }'

webhook payload

your endpoint receives a JSON POST with the task result:

json
1{2  "event": "task.completed",3  "timestamp": "2024-01-15T10:30:05Z",4  "data": {5    "id": "task_abc123",6    "short_id": "abc123",7    "status": 10,8    "status_text": "completed",9    "output": { ... },10    "created_at": "2024-01-15T10:30:00Z",11    "updated_at": "2024-01-15T10:30:05Z"12  }13}
eventstringtask.completed, task.failed or task.cancelled
timestampstringiso timestamp of the delivery
data.idstringtask id
data.short_idstringshort task id
data.statusnumberterminal status (10=completed, 11=failed, 12=cancelled, 13=rejected)
data.status_textstringthe status as a word: completed, failed or cancelled
data.outputobjecttask output (when completed)
data.errorstringerror message (when failed, omitted otherwise)
data.session_idstringsession id (when the task ran in a session, omitted otherwise)
data.created_atstringiso timestamp
data.updated_atstringiso timestamp

5. schema

input

urlstring*

video url (youtube, instagram, twitter/x, tiktok, and 1000+ sites supported)

export_formatstring

export format: audio_only (default), video_with_audio, or video_only

default: "audio_only"
options:"audio_only""video_with_audio""video_only"
audio_qualitystring

audio quality/bitrate: best, 320 (default), 192, 128, 64 kbps

default: "320"
options:"best""320""192""128""64"
video_qualitystring

video resolution: best, 2160, 1440, 1080 (default), 720, 480, 360

default: "1080"
options:"best""2160""1440""1080""720""480""360"
audio_codecstring

audio codec/format: aac (default, fastest), mp3, opus, vorbis, flac, wav

default: "aac"
options:"aac""opus""mp3""vorbis""flac""wav"
video_codecstring

video container format: mp4 (default), webm, mkv

default: "mp4"
options:"mp4""webm""mkv"
include_thumbnailboolean

embed thumbnail in the output file (default: true)

default: true
include_metadataboolean

include metadata like title, artist, etc. in the output file (default: true)

default: true
include_transcriptboolean

include transcript/subtitles if available (default: false). returns auto-generated or manual captions.

default: false
transcript_langsarray

preferred transcript languages in order of priority (e.g. ['en', 'es']). defaults to ['en'] if not specified.

proxystring

proxy url for downloading (e.g. http://user:pass@host:port or socks5://host:port)

output

filestring(file)*

downloaded audio/video file

format_downloadedstring*

format that was downloaded (e.g., 'audio mp3 320kbps')

infoobject*

video/audio metadata

transcriptarray

transcript segments with timestamps, if requested and available

transcript_textstring

full transcript as plain text, if requested and available

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Eleven v3

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Eleven v4 Turbo

elevenlabs/eleven-v4-turbo

$0.04/1K characters

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