invalid client in google oauth2

Question

I try to make a web page for youtube video upload  therefore I try to get the client id from google api console  and in the api console it shows something like this   Client ID  533832195920 apps googleusercontent com Redirect URIs  http   bobyouku ap01 aws af cm testyoutube php https   developers google com oauthplayground   However when I try to test my account using the following URL   https   accounts google com o oauth2 auth client id 533832195920 apps googleusercontent com amp redirect uri http 3A 2F 2Fbobyouku ap01 aws af cm 2Ftestyoutube php amp scope https 3A 2F 2Fwww googleapis com 2Fauth 2Fyoutube amp response type code amp access type offline  It gives out the result of invalid client  Even when I try it on oauth2 playground  same fail occurs  So anyone knows what s happen

User · Answer

in this thread i found my answer     I went to google console   generate a new project  made refresh  because in my case after create the page didn t reload  select new project  create a client ID use it for what you need   thanks guys  D

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I wish I had seen this post before  because there are a lot of things I had to find out trial and error  A lot can go wrong with this  Here s another issue I had   Whe you specify the Authorised Javascript origins or Authorised redirect URIs  make sure to include your domain with and without www  So https   google com and https   www google com  Also I had uploaded an Application logo  Because of that  the consent screen required a review    which takes forever  Don t upload an Application logo  or be very patient

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After copy values from Google web UI  I had a blank space for    client id secret   And at the BEGINNING and at the END for both

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I had  apps googleusercontent com twice in my ID   It was a copy and paste issue  Your ID HERE  apps googleusercontent com

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None of the following were my issue - I resolved this by opening an incognito window  Something was obviously being cached somewhere  no amount of changing auth client settings helped and there were never any trailing or leading spaces in config values

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If you are in Meteor JS  you have to use clientId instead appId   Since facebook uses appId and google clientId   ServiceConfiguration configurations upsert       service   google            set            clientId  process env OAUTH GOOGLE APP ID          loginStyle   popup           secret  process env OAUTH GOOGLE SECRET             I spent some hours to realize over that

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Set change your product name  I had this issue until I created a product name as same as project name   The product name can be set in the Consent screen section of the Google Developers Console for your project  Look under APIs  amp  auth in the left navigation and select Consent screen  You need also to set your email address in the box above the product name

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Deleting client ID and creating new one a couple of times worked for me

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If you follow the documentation  from this page https   developers google com identity sign-in web sign-in specify your apps client id  you ll see   lt meta name  google-signin-client id  content  YOUR CLIENT ID apps googleusercontent com  gt    But it s wrong  It should be    lt meta name  google-signin-client id  content  YOUR CLIENT ID  gt    The issue is that the   apps googleusercontent com  gets added anyway  If you do it like the documentation says  you get   apps googleusercontent com  twice

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Steps that worked for me    Delete credentials that are not working for you Create new credentials with some NAME Fill in the same NAME on your OAuth consent screen Fill in the e-mail address on the OAuth consent screen   The name should be exactly the same

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In my case this turned out to be something else  namely my code used an environment variable that hadn t been set properly  and stupidly wasnt checked by my code    Setting it  recompiling assets  and restarting the app did the trick

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Setting EMAIL ADDRESS and PRODUCT NAME in the consent screen of Google developer console  solves the error  Error  invalid client  The OAuth client was not found   for me

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Another thing to check   When you install the GoogleAPIs into a  Net app with NuGet  it will inject a new set of dummy values in your   config file   Check that any original values are still in place  and remove dummy entries

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invalid client can also simply means that your client ID and client secret are wrong when you create your Oauth2 object

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Mine didn t work because I created it from a button from the documentation  I went again to the project and created another OAuthClientID  It worked  Yes  be careful about the extra spaces on right and left too

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Trim the leading and trailing white space from both the client id and client secret  Google s copy button does not do this for you     Set both the email address and product name fields for the OAuth consent screen

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Did the error also report that it was missing an application name  I had this issue until I created a project name  e g   Project X   in the project settings dialog

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Check your Project name on  Google APIs console  you choose another project you created  I was same error  my mistake was choosing diffirent project

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I solved this by removing unnecessary quotes from my clientID and clientSecret values

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I solved my problem with trim     google    gt         client id    gt trim  client id        client secret    gt  trim  client secret         redirect    gt   http   localhost 8000 login google callback

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I accidentally had a value in the Client Secret part of the URL  but Google Credential does not need a Client Secret for Android OAuth 2 Client IDs  Simply leaving the value blank in the URL did the trick for me

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At Credentials  Accept requests from these HTTP referrers  web sites   Optional  Use asterisks for wildcards  If you leave this blank  requests will be accepted from any referrer  Be sure to add referrers before using this key in production  Add    star dot star    It work fine for me

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probably old credentials are invalid   see the answer below   stackoverflow answer  or short names may work  see the answer below stackoverflow answer  or product name same as project name as answered already  at times one may include extra space in the     check twice this line so that you are redirected to the correct url

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For best results make sure you have the complete details as follows     client id   282324738-4labcgdsd4nlh34885s2d34tmi apps googleusercontent com   project id   abcd23ss-212808   auth uri   https   accounts google com o oauth2 auth   token uri   https   www googleapis com oauth2 v3 token   auth provider x509 cert url   https   www googleapis com oauth2 v1 certs   client secret   23452-dfgdfgcdfgfd   redirect uris    http   localhost 6900 auth google callback    javascript origins    http   localhost 6900      This data is always available for download as JSON from https   console developers google com apis credentials oauthclient

[google-oauth] invalid_client in google oauth2

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