This endpoint retrieves a list of audio files for a specified YouTube video.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
The YouTube video ID
11"dQw4w9WgXcQ"
Successful response
The itag of the audio format
The URL of the audio file
The MIME type of the audio file
The bitrate of the audio in bits per second
The initialization range for the audio file
The index range for the audio file
The last modified timestamp of the audio file
The content length of the audio file in bytes
The quality label of the audio
The projection type of the audio
The average bitrate of the audio in bits per second
The audio quality label
The approximate duration of the audio in milliseconds
The audio sample rate
The number of audio channels
The parsed content length in a human-readable format
The length of the audio in seconds
The parsed last modified date in ISO 8601 format
Indicates if the audio has high replication
[
{
"itag": 139,
"url": "https://rr1---sn-8vq54voxpu-925e.googlevideo.com/videoplayback?expire=1727179901&ei=HVjyZoX0DraCi9oPuJLFyAI&ip=31.26.138.243&id=o-AGFdx643g1zp1pVHAn6l5PANXDz8Nvmg7DncE_45cMM6&itag=139&source=youtube&requiressl=yes&xpc=EgVo2aDSNQ%3D%3D&mh=7c&mm=31%2C29&mn=sn-8vq54voxpu-925e%2Csn-hpa7zns6&ms=au%2Crdu&mv=m&mvi=1&pl=21&initcwndbps=1255000&vprv=1&svpuc=1&mime=audio%2Fmp4&rqh=1&gir=yes&clen=1295035&dur=212.183&lmt=1717047826596234&mt=1727157900&fvip=2&keepalive=yes&c=ANDROID_TESTSUITE&txp=4532434&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cxpc%2Cvprv%2Csvpuc%2Cmime%2Crqh%2Cgir%2Cclen%2Cdur%2Clmt&sig=AJfQdSswRQIgWMJorIvdLaJa5oqpWV2xWTAuk1sV8oTZ1wjj0TeXq6gCIQCc0aP2FLhIo6RzJJTNQZQs5HSHpoG2h5Xv3gTQ0Bn8RQ%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=ABPmVW0wRQIhALudieGQmoIh_qLTgz_EaXn6q9wm5H7WjebX_se0h7RUAiBSsjkCUszwNDJH4RTT4nHrhSy_BFuKV4TuG7ll5go6_A%3D%3D",
"mimeType": "audio/mp4; codecs=\"mp4a.40.5\"",
"bitrate": 50079,
"initRange": { "start": "0", "end": "731" },
"indexRange": { "start": "732", "end": "1027" },
"lastModified": "1717047826596234",
"contentLength": "1295035",
"quality": "tiny",
"projectionType": "RECTANGULAR",
"averageBitrate": 48827,
"audioQuality": "AUDIO_QUALITY_LOW",
"approxDurationMs": "212183",
"audioSampleRate": "22050",
"audioChannels": 2,
"parsedContentLength": "1.24 MiB",
"lengthSeconds": "212",
"parsedLastModified": "2024-05-30T05:43:46.596Z"
},
{
"itag": 140,
"url": "https://rr1---sn-8vq54voxpu-925e.googlevideo.com/videoplayback?expire=1727179901&ei=HVjyZoX0DraCi9oPuJLFyAI&ip=31.26.138.243&id=o-AGFdx643g1zp1pVHAn6l5PANXDz8Nvmg7DncE_45cMM6&itag=140&source=youtube&requiressl=yes&xpc=EgVo2aDSNQ%3D%3D&mh=7c&mm=31%2C29&mn=sn-8vq54voxpu-925e%2Csn-hpa7zns6&ms=au%2Crdu&mv=m&mvi=1&pl=21&initcwndbps=1255000&vprv=1&svpuc=1&mime=audio%2Fmp4&rqh=1&gir=yes&clen=3433605&dur=212.091&lmt=1717047821006373&mt=1727157900&fvip=2&keepalive=yes&c=ANDROID_TESTSUITE&txp=4532434&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cxpc%2Cvprv%2Csvpuc%2Cmime%2Crqh%2Cgir%2Cclen%2Cdur%2Clmt&sig=AJfQdSswRAIga0ETV3wIzfWxNuu_lGfcvjsfUXpH8E-WIyji7IufSAMCICJcXNhLSWKt7P7r6FRQIwWeui_BseZ7jSYCAf6esbDh&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=ABPmVW0wRQIhALudieGQmoIh_qLTgz_EaXn6q9wm5H7WjebX_se0h7RUAiBSsjkCUszwNDJH4RTT4nHrhSy_BFuKV4TuG7ll5go6_A%3D%3D",
"mimeType": "audio/mp4; codecs=\"mp4a.40.2\"",
"bitrate": 130675,
"initRange": { "start": "0", "end": "722" },
"indexRange": { "start": "723", "end": "1018" },
"lastModified": "1717047821006373",
"contentLength": "3433605",
"quality": "tiny",
"projectionType": "RECTANGULAR",
"averageBitrate": 129514,
"highReplication": true,
"audioQuality": "AUDIO_QUALITY_MEDIUM",
"approxDurationMs": "212091",
"audioSampleRate": "44100",
"audioChannels": 2,
"parsedContentLength": "3.27 MiB",
"lengthSeconds": "212",
"parsedLastModified": "2024-05-30T05:43:41.006Z"
},
{
"itag": 249,
"url": "https://rr1---sn-8vq54voxpu-925e.googlevideo.com/videoplayback?expire=1727179901&ei=HVjyZoX0DraCi9oPuJLFyAI&ip=31.26.138.243&id=o-AGFdx643g1zp1pVHAn6l5PANXDz8Nvmg7DncE_45cMM6&itag=249&source=youtube&requiressl=yes&xpc=EgVo2aDSNQ%3D%3D&mh=7c&mm=31%2C29&mn=sn-8vq54voxpu-925e%2Csn-hpa7zns6&ms=au%2Crdu&mv=m&mvi=1&pl=21&initcwndbps=1255000&vprv=1&svpuc=1&mime=audio%2Fwebm&rqh=1&gir=yes&clen=1232413&dur=212.061&lmt=1717047819209140&mt=1727157900&fvip=2&keepalive=yes&c=ANDROID_TESTSUITE&txp=4532434&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cxpc%2Cvprv%2Csvpuc%2Cmime%2Crqh%2Cgir%2Cclen%2Cdur%2Clmt&sig=AJfQdSswRQIgT1IgHRdP6_0ejnZKkTKrWFF3UWNbYA4N9MNbKOQQJL4CIQDu5ccVYqi0UDWjx3vm9IXdnutM514_3yRrzqczVavudQ%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=ABPmVW0wRQIhALudieGQmoIh_qLTgz_EaXn6q9wm5H7WjebX_se0h7RUAiBSsjkCUszwNDJH4RTT4nHrhSy_BFuKV4TuG7ll5go6_A%3D%3D",
"mimeType": "audio/webm; codecs=\"opus\"",
"bitrate": 49668,
"initRange": { "start": "0", "end": "265" },
"indexRange": { "start": "266", "end": "635" },
"lastModified": "1717047819209140",
"contentLength": "1232413",
"quality": "tiny",
"projectionType": "RECTANGULAR",
"averageBitrate": 46492,
"audioQuality": "AUDIO_QUALITY_LOW",
"approxDurationMs": "212061",
"audioSampleRate": "48000",
"audioChannels": 2,
"parsedContentLength": "1.18 MiB",
"lengthSeconds": "212",
"parsedLastModified": "2024-05-30T05:43:39.209Z"
},
{
"itag": 250,
"url": "https://rr1---sn-8vq54voxpu-925e.googlevideo.com/videoplayback?expire=1727179901&ei=HVjyZoX0DraCi9oPuJLFyAI&ip=31.26.138.243&id=o-AGFdx643g1zp1pVHAn6l5PANXDz8Nvmg7DncE_45cMM6&itag=250&source=youtube&requiressl=yes&xpc=EgVo2aDSNQ%3D%3D&mh=7c&mm=31%2C29&mn=sn-8vq54voxpu-925e%2Csn-hpa7zns6&ms=au%2Crdu&mv=m&mvi=1&pl=21&initcwndbps=1255000&vprv=1&svpuc=1&mime=audio%2Fwebm&rqh=1&gir=yes&clen=1630086&dur=212.061&lmt=1717047822840442&mt=1727157900&fvip=2&keepalive=yes&c=ANDROID_TESTSUITE&txp=4532434&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cxpc%2Cvprv%2Csvpuc%2Cmime%2Crqh%2Cgir%2Cclen%2Cdur%2Clmt&sig=AJfQdSswRQIgI4Vwy12m6UidKdL0SqCi5G7nbKx1UAXev-TObNRRlGICIQDA0SL6AnZEqhpvypdLKdwR2QtcsUZQSVk-exV4Z10Vaw%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=ABPmVW0wRQIhALudieGQmoIh_qLTgz_EaXn6q9wm5H7WjebX_se0h7RUAiBSsjkCUszwNDJH4RTT4nHrhSy_BFuKV4TuG7ll5go6_A%3D%3D",
"mimeType": "audio/webm; codecs=\"opus\"",
"bitrate": 65984,
"initRange": { "start": "0", "end": "265" },
"indexRange": { "start": "266", "end": "636" },
"lastModified": "1717047822840442",
"contentLength": "1630086",
"quality": "tiny",
"projectionType": "RECTANGULAR",
"averageBitrate": 61494,
"audioQuality": "AUDIO_QUALITY_LOW",
"approxDurationMs": "212061",
"audioSampleRate": "48000",
"audioChannels": 2,
"parsedContentLength": "1.55 MiB",
"lengthSeconds": "212",
"parsedLastModified": "2024-05-30T05:43:42.840Z"
},
{
"itag": 251,
"url": "https://rr1---sn-8vq54voxpu-925e.googlevideo.com/videoplayback?expire=1727179901&ei=HVjyZoX0DraCi9oPuJLFyAI&ip=31.26.138.243&id=o-AGFdx643g1zp1pVHAn6l5PANXDz8Nvmg7DncE_45cMM6&itag=251&source=youtube&requiressl=yes&xpc=EgVo2aDSNQ%3D%3D&mh=7c&mm=31%2C29&mn=sn-8vq54voxpu-925e%2Csn-hpa7zns6&ms=au%2Crdu&mv=m&mvi=1&pl=21&initcwndbps=1255000&vprv=1&svpuc=1&mime=audio%2Fwebm&rqh=1&gir=yes&clen=3437753&dur=212.061&lmt=1717047822556748&mt=1727157900&fvip=2&keepalive=yes&c=ANDROID_TESTSUITE&txp=4532434&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cxpc%2Cvprv%2Csvpuc%2Cmime%2Crqh%2Cgir%2Cclen%2Cdur%2Clmt&sig=AJfQdSswRAIgPQ-Q-5PkH0mnKI6pXIOEj7f_qrvovoGY7VCh8F4M7ZQCIGy0TOgdwKUHiE3xi0Jm8VqfgUXpQ9TlSSZtk4xXHdcV&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=ABPmVW0wRQIhALudieGQmoIh_qLTgz_EaXn6q9wm5H7WjebX_se0h7RUAiBSsjkCUszwNDJH4RTT4nHrhSy_BFuKV4TuG7ll5go6_A%3D%3D",
"mimeType": "audio/webm; codecs=\"opus\"",
"bitrate": 136946,
"initRange": { "start": "0", "end": "265" },
"indexRange": { "start": "266", "end": "636" },
"lastModified": "1717047822556748",
"contentLength": "3437753",
"quality": "tiny",
"projectionType": "RECTANGULAR",
"averageBitrate": 129689,
"audioQuality": "AUDIO_QUALITY_MEDIUM",
"approxDurationMs": "212061",
"audioSampleRate": "48000",
"audioChannels": 2,
"parsedContentLength": "3.28 MiB",
"lengthSeconds": "212",
"parsedLastModified": "2024-05-30T05:43:42.556Z"
}
]