How to get google auth token from authorization code?

Question

i tried to get the auth token as below:

https://accounts.google.com/o/oauth2/token?client_id=xxxxxxxxx&client_secret=xxxxxxxxxxx&grant_type=authorization_code&code=xxxxxxxxxx&redirect_uri=https://bigquery.cloud.google.com/dataset/projectid:datasetid

Though i already specified the grant_type parameter but still i am getting the below error:

 { "error" : "invalid_request", "error_description" : "Required parameter is missing: grant_type" }

What is the mistake i am doing here?

Hans Z. · Accepted Answer · 2016-01-08 18:02:18Z

4

You need to use HTTP POST and put the values in POST parameters rather than providing them as query parameters in an HTTP GET request.

answered Jan 8, 2016 at 18:02

Hans Z.

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5 Comments

Hans Z. Over a year ago

how are you sending it; which tool/environment/language?

Hans Z. Over a year ago

commandline curl would look like:

curl -d "client_id=xxxxxxxxx&client_secret=xxxxxxxxxxx&grant_type=authorization_code&code=xxxxxxxxxx&redirect_uri=https://bigquery.cloud.google.com/dataset/projectid:datasetid" https://accounts.google.com/o/oauth2/token

; you should be able to verify with that

hmims Over a year ago

It worked. Thanks. I was using postman but it was not working there.

Nima Over a year ago

Would you tell me how I can get the value for "code" parameter ? I just have client_id , client_secret and redirect_uri

hmims Over a year ago

accounts.google.com/o/oauth2/v2/… Fill the response_type and client_id in this url and hit the url in browser. It will give you an option to login via mail id . Select and then you will see a url in browser which has 1 of its parameter as code.

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