108 lines
7.8 KiB
Markdown
108 lines
7.8 KiB
Markdown
# cobalt api documentation
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this document provides info about methods and acceptable variables for all cobalt api requests.
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<!-- TODO: authorization -->
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## POST: `/`
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cobalt's main processing endpoint.
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request body type: `application/json`
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response body type: `application/json`
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```
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⚠️ you must include Accept and Content-Type headers with every `POST /` request.
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Accept: application/json
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Content-Type: application/json
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```
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### request body
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| key | type | expected value(s) | default | description |
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|:-----------------------------|:----------|:-----------------------------------|:----------|:--------------------------------------------------------------------------------|
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| `url` | `string` | URL to download | -- | **must** be included in every request. |
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| `videoQuality` | `string` | `144 / ... / 2160 / 4320 / max` | `1080` | `720` quality is recommended for phones. |
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| `audioFormat` | `string` | `best / mp3 / ogg / wav / opus` | `mp3` | |
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| `audioBitrate` | `string` | `320 / 256 / 128 / 96 / 64 / 8` | `128` | specifies the bitrate to use for the audio. applies only to audio conversion. |
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| `filenameStyle` | `string` | `classic / pretty / basic / nerdy` | `classic` | changes the way files are named. previews can be seen in the web app. |
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| `downloadMode` | `string` | `auto / audio / mute` | `auto` | `audio` downloads only the audio, `mute` skips the audio track in videos. |
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| `youtubeVideoCodec` | `string` | `h264 / av1 / vp9` | `h264` | `h264` is recommended for phones. |
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| `youtubeDubLang` | `string` | `en / ru / cs / ja / ...` | -- | specifies the language of audio to download, when the youtube video is dubbed |
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| `youtubeDubBrowserLang` | `boolean` | `true / false` | `false` | uses value from the Accept-Language header for `youtubeDubLang`. |
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| `alwaysProxy` | `boolean` | `true / false` | `false` | tunnels all downloads through the processing server, even when not necessary. |
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| `disableMetadata` | `boolean` | `true / false` | `false` | disables file metadata when set to `true`. |
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| `tiktokFullAudio` | `boolean` | `true / false` | `false` | enables download of original sound used in a tiktok video. |
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| `tiktokH265` | `boolean` | `true / false` | `false` | changes whether 1080p h265 videos are preferred or not. |
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| `twitterGif` | `boolean` | `true / false` | `true` | changes whether twitter gifs are converted to .gif |
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### response
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the response will always be a JSON object containing the `status` key, which will be one of:
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- `error` - something went wrong
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- `picker` - we have multiple items to choose from
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- `redirect` - you are being redirected to the direct service URL
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- `tunnel` - cobalt is proxying the download for you
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### tunnel/redirect response
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| key | type | values |
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|:-------------|:---------|:------------------------------------------------------------|
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| `status` | `string` | `tunnel / redirect` |
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| `url` | `string` | url for the cobalt tunnel, or redirect to an external link |
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| `filename` | `string` | cobalt-generated filename for the file being downloaded |
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### picker response
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| key | type | values |
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|:----------------|:---------|:-------------------------------------------------------------------------------------------------|
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| `status` | `string` | `picker` |
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| `audio` | `string` | **optional** returned when an image slideshow (such as on tiktok) has a general background audio |
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| `audioFilename` | `string` | **optional** cobalt-generated filename, returned if `audio` exists |
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| `picker` | `array` | array of objects containing the individual media |
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#### picker object
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| key | type | values |
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|:-------------|:----------|:------------------------------------------------------------|
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| `type` | `string` | `photo` / `video` / `gif` |
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| `url` | `string` | |
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| `thumb` | `string` | **optional** thumbnail url |
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### error response
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| key | type | values |
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|:-------------|:---------|:------------------------------------------------------------|
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| `status` | `string` | `error` |
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| `error` | `object` | contains more context about the error |
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#### error object
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| key | type | values |
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|:-------------|:---------|:------------------------------------------------------------|
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| `code` | `string` | machine-readable error code explaining the failure reason |
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| `context` | `object` | **optional** container for providing more context |
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#### error.context object
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| key | type | values |
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|:-------------|:---------|:---------------------------------------------------------------------------------------------------------------|
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| `service` | `string` | **optional**, stating which service was being downloaded from |
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| `limit` | `number` | **optional** number providing the ratelimit maximum number of requests, or maximum downloadable video duration |
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## GET: `/`
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returns current basic server info.
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response body type: `application/json`
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### response body
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| key | type | variables |
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|:------------|:---------|:---------------------------------------------------------|
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| `cobalt` | `object` | information about the cobalt instance |
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| `git` | `object` | information about the codebase that is currently running |
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#### cobalt object
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| key | type | description |
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|:----------------|:-----------|:-----------------------------------------------|
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| `version` | `string` | current version |
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| `url` | `string` | server url |
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| `startTime` | `string` | server start time in unix milliseconds |
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| `durationLimit` | `number` | maximum downloadable video length in seconds |
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| `services` | `string[]` | array of services which this instance supports |
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#### git object
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| key | type | variables |
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|:------------|:---------|:------------------|
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| `commit` | `string` | commit hash |
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| `branch` | `string` | git branch |
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| `remote` | `string` | git remote |
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