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Editorial Team
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Asked: 2026-06-06T07:20:26+00:00

I’m trying to use Youtube apis in my web application by following this guide

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I’m trying to use Youtube apis in my web application by following this guide https://developers.google.com/youtube/2.0/developers_guide_protocol_oauth2#OAuth2_Server_Side_Web_Applications_Flow I’ve done upto step 3 successfully and got the ** authorization code**.

Now I stuck with making POST request to this url https://accounts.google.com/o/oauth2/token

I want to make a request like this: (taken from the link I’ve given above)

POST /o/oauth2/token HTTP/1.1
Host: accounts.google.com
Content-Type: application/x-www-form-urlencoded

code=4/ux5gNj-_mIu4DOD_gNZdjX9EtOFf&
client_id=1084945748469-eg34imk572gdhu83gj5p0an9fut6urp5.apps.googleusercontent.com&
client_secret=hDBmMRhz7eJRsM9Z2q1oFBSe&
redirect_uri=http://localhost/oauth2callback&
grant_type=authorization_code

I tried something like this:

headers = {'Content-Type': 'application/x-www-form-urlencoded code=4/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&client_id=xxxxxxxxxxx.apps.googleusercontent.com&client_secret=xxxxxxxxxxxxxxxxx&redirect_uri=http://127.0.0.1:8000/information/youtube/&grant_type=authorization_code'}

r = requests.post(url, headers)

and I’m getting this error:

<Response [411]>
u'<!DOCTYPE html>\n<html lang=en>\n  <meta charset=utf-8>\n  <meta name=viewport content="initial-scale=1, minimum-scale=1, width=device-width">\n  <title>Error 411 (Length Required)!!1</title>\n  <style>\n    *{margin:0;padding:0}html,code{font:15px/22px arial,sans-serif}html{background:#fff;color:#222;padding:15px}body{margin:7% auto 0;max-width:390px;min-height:180px;padding:30px 0 15px}* > body{background:url(//www.google.com/images/errors/robot.png) 100% 5px no-repeat;padding-right:205px}p{margin:11px 0 22px;overflow:hidden}ins{color:#777;text-decoration:none}a img{border:0}@media screen and (max-width:772px){body{background:none;margin-top:0;max-width:none;padding-right:0}}\n  </style>\n  <a href=//www.google.com/><img src=//www.google.com/images/errors/logo_sm.gif alt=Google></a>\n  <p><b>411.</b> <ins>That\u2019s an error.</ins>\n  <p>POST requests require a <code>Content-length</code> header.  <ins>That\u2019s all we know.</ins>\n'

I know I’m wrong with the post request and I need your guidance on how to make it work.

Thanks!

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1 Answer

  1. Editorial Team

    Don’t put the data in the headers. Use the data kwarg of .post() instead. Since a urlencoded POST body is the default there is also no need to specify it via the headers argument.

    data = {
    'code': '4/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
    'client_id': 'xxxxxxxxxxx.apps.googleusercontent.com',
    'client_secret': 'xxxxxxxxxxxxxxxxx',
    'redirect_uri': 'http://127.0.0.1:8000/information/youtube/'.
    'grant_type': 'authorization_code'
}
r = requests.post(url, data=data)

    You can make this code even nicer by letting requests deal with the OAuth authentication via the requests-oauth extension: https://github.com/maraujop/requests-oauth#readme

    Then you can perform your request without handling the OAuth parameters manually.

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