curl --request GET \
  --url https://api.poix.io/files/captions/{videoId} \
  --header 'Authorization: Bearer <token>'

[
  {
    "languageCode": "en",
    "languageName": "English (auto-generated)",
    "isAutoGenerated": true,
    "url": "https://www.youtube.com/api/timedtext?v=dQw4w9WgXcQ&ei=b2DyZtXMMZ2hi9oP_JmNkAo&caps=asr&opi=112496729&exp=xbt&xoaf=5&hl=en&ip=0.0.0.0&ipbits=0&expire=1727185631&sparams=ip,ipbits,expire,v,ei,caps,opi,exp,xoaf&signature=750EEBD31FAB04DE0E1F1266932F3C4044F113EB.2E33088AAE47992D009A6B199B413B9D7836E0FC&key=yt8&kind=asr&lang=en&fmt=json3"
  },
  {
    "languageCode": "en",
    "languageName": "English (auto-generated)",
    "isAutoGenerated": true,
    "url": "https://www.youtube.com/api/timedtext?v=dQw4w9WgXcQ&ei=b2DyZtXMMZ2hi9oP_JmNkAo&caps=asr&opi=112496729&exp=xbt&xoaf=5&hl=en&ip=0.0.0.0&ipbits=0&expire=1727185631&sparams=ip,ipbits,expire,v,ei,caps,opi,exp,xoaf&signature=750EEBD31FAB04DE0E1F1266932F3C4044F113EB.2E33088AAE47992D009A6B199B413B9D7836E0FC&key=yt8&kind=asr&lang=en&fmt=srt"
  },
  {
    "languageCode": "en",
    "languageName": "English (auto-generated)",
    "isAutoGenerated": true,
    "url": "https://www.youtube.com/api/timedtext?v=dQw4w9WgXcQ&ei=b2DyZtXMMZ2hi9oP_JmNkAo&caps=asr&opi=112496729&exp=xbt&xoaf=5&hl=en&ip=0.0.0.0&ipbits=0&expire=1727185631&sparams=ip,ipbits,expire,v,ei,caps,opi,exp,xoaf&signature=750EEBD31FAB04DE0E1F1266932F3C4044F113EB.2E33088AAE47992D009A6B199B413B9D7836E0FC&key=yt8&kind=asr&lang=en&fmt=vtt"
  },
  {
    "languageCode": "en",
    "languageName": "English (auto-generated)",
    "isAutoGenerated": true,
    "url": "https://www.youtube.com/api/timedtext?v=dQw4w9WgXcQ&ei=b2DyZtXMMZ2hi9oP_JmNkAo&caps=asr&opi=112496729&exp=xbt&xoaf=5&hl=en&ip=0.0.0.0&ipbits=0&expire=1727185631&sparams=ip,ipbits,expire,v,ei,caps,opi,exp,xoaf&signature=750EEBD31FAB04DE0E1F1266932F3C4044F113EB.2E33088AAE47992D009A6B199B413B9D7836E0FC&key=yt8&kind=asr&lang=en&fmt=ttml"
  },
  {
    "languageCode": "en",
    "languageName": "English (auto-generated)",
    "isAutoGenerated": true,
    "url": "https://www.youtube.com/api/timedtext?v=dQw4w9WgXcQ&ei=b2DyZtXMMZ2hi9oP_JmNkAo&caps=asr&opi=112496729&exp=xbt&xoaf=5&hl=en&ip=0.0.0.0&ipbits=0&expire=1727185631&sparams=ip,ipbits,expire,v,ei,caps,opi,exp,xoaf&signature=750EEBD31FAB04DE0E1F1266932F3C4044F113EB.2E33088AAE47992D009A6B199B413B9D7836E0FC&key=yt8&kind=asr&lang=en&fmt=srv1"
  }
]