cobalt/docs/api.md

cobalt api documentation

this document provides info about methods and acceptable variables for all cobalt api requests.

👍 you can use api.cobalt.tools in your projects for free, just don't be an asshole.

POST: /api/json

cobalt's main processing endpoint.

request body type: application/json
response body type: application/json

⚠️ you must include Accept and Content-Type headers with every POST /api/json request.

Accept: application/json
Content-Type: application/json

request body variables

key	type	variables	default	description
url	string	URL encoded as URI	null	must be included in every request.
vCodec	string	h264 / av1 / vp9	h264	applies only to youtube downloads. h264 is recommended for phones.
vQuality	string	144 / ... / 2160 / max	720	720 quality is recommended for phones.
aFormat	string	best / mp3 / ogg / wav / opus	mp3
filenamePattern	string	classic / pretty / basic / nerdy	classic	changes the way files are named. previews can be seen in the web app.
isAudioOnly	boolean	true / false	false
isTTFullAudio	boolean	true / false	false	enables download of original sound used in a tiktok video.
isAudioMuted	boolean	true / false	false	disables audio track in video downloads.
dubLang	boolean	true / false	false	backend uses Accept-Language header for youtube video audio tracks when true.
disableMetadata	boolean	true / false	false	disables file metadata when set to true.
twitterGif	boolean	true / false	false	changes whether twitter gifs are converted to .gif
tiktokH265	boolean	true / false	false	changes whether 1080p h265 videos are preferred or not.

response body variables

key	type	variables
status	string	error / redirect / stream / success / rate-limit / picker
text	string	various text, mostly used for errors
url	string	direct link to a file or a link to cobalt's live render
pickerType	string	various / images
picker	array	array of picker items
audio	string	direct link to a file or a link to cobalt's live render

picker item variables

item type: object

key	type	variables	description
type	string	video	used only if pickerTypeis various.
url	string	direct link to a file or a link to cobalt's live render
thumb	string	item thumbnail that's displayed in the picker	used only for video type.

GET: /api/stream

cobalt's live render (or stream) endpoint. usually, you will receive a url to this endpoint from a successful call to /api/json. however, the parameters passed to it are opaque and unmodifiable from your (the api client's) perspective, and can change between versions.

therefore you don't need to worry about what they mean - but if you really want to know, you can read the source code.

GET: /api/serverInfo

returns current basic server info.
response body type: application/json

response body variables

key	type	variables
version	string	cobalt version
commit	string	git commit
branch	string	git branch
name	string	server name
url	string	server url
cors	number	cors status
startTime	string	server start time