curl --request GET \
  --url 'https://api.keyapi.ai/v1/youtube/get_signed_stream_url?video_id=dQw4w9WgXcQ&video_url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdQw4w9WgXcQ' \
  --header 'Authorization: Bearer <YOUR_API_KEY>'

import requests

response = requests.get(
    'https://api.keyapi.ai/v1/youtube/get_signed_stream_url',
    params={"video_id": "dQw4w9WgXcQ", "video_url": "https://www.youtube.com/watch?v=dQw4w9WgXcQ"},
    headers={'Authorization': 'Bearer <YOUR_API_KEY>'}
)
print(response.json())

const params = new URLSearchParams({"video_id": "dQw4w9WgXcQ", "video_url": "https://www.youtube.com/watch?v=dQw4w9WgXcQ"});

const response = await fetch(`https://api.keyapi.ai/v1/youtube/get_signed_stream_url?${params}`, {
  method: 'GET',
  headers: { 'Authorization': 'Bearer <YOUR_API_KEY>' }
});
const data = await response.json();
console.log(data);

{
  "code": 0,
  "message": "success",
  "data": {
    "itag": 18,
    "url": "https://rr2---sn-n4v7snse.googlevideo.com/videoplayback?expire=1784569652&ei=1ApeateDDZiTsfIPmcy5iQ8&ip=147.182.249.55&id=o-ALxzSWNnBoHoPO68QTV3MpwtEGLCgjnuA28YW1y_rsgV&itag=18&source=youtube&requiressl=yes&xpc=EgVo2aDSNQ%3D%3D&cps=1204&met=1784548052%2C&mh=7c&mm=31%2C29&mn=sn-n4v7snse%2Csn-o097znzr&ms=au%2Crdu&mv=m&mvi=2&pl=23&rms=au%2Cau&initcwndbps=200000&bui=AZFlqhNBswx5MROTQhua2VtmmPNUQT8nEwd6wuQPl6lFnOp90knalCSN5i7H6XjPLGW2zw3TMjL3-y4q&spc=SQ-umtZFLGstiGl1s3DPUQ&vprv=1&svpuc=1&mime=video%2Fmp4&rqh=1&cnr=14&ratebypass=yes&dur=213.089&lmt=1766960953317159&mt=1784547653&fvip=5&fexp=51565115&c=ANDROID_VR&txp=5538534&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cxpc%2Cbui%2Cspc%2Cvprv%2Csvpuc%2Cmime%2Crqh%2Ccnr%2Cratebypass%2Cdur%2Clmt&sig=AE0s2JYwRgIhAO9KbtWBhE3ZzhhXdG4o1o_7FadRm5etMUwgF-9kzXgBAiEAkaTgkUTizFOh-jyi7H8QPubkVVsDVcqwPVIWskzWtNU%3D&lsparams=cps%2Cmet%2Cmh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Crms%2Cinitcwndbps&lsig=APaTxxMwRQIhAKeLD6BWmbZ7IkmKVLbatW1bBco_angavNiDXjshfYkyAiA3-wCcFTmmn1L-TK3iG2G2ykiOKZQ9RIoKWl-ELxTfDA%3D%3D",
    "expires_in_seconds": 21600
  },
  "requestId": "09ae9c28-bc8d-43e9-8dcc-5e28de5216c3"
}

{
  "code": 400,
  "data": null,
  "message": "Missing required parameter: handle"
}

{
  "code": 401,
  "data": null,
  "message": "apiKey is null"
}

{
  "code": 402,
  "data": null,
  "message": "apiKey quota is not enough"
}

{
  "code": 429,
  "data": null,
  "message": "qps limit exceeded"
}

{
  "code": 500,
  "data": null,
  "message": "Internal server error"
}