linkedin access token generation error

Question

When I try to generate access token using:

https://www.linkedin.com/uas/oauth2/accessToken?grant_type=authorization_code&code=xxxxxxxxxxx&redirect_uri=http%3A%2F%2Fws-100945%3A9080%2FArtisWeb%2Findex.html&client_id=xxxxx&client_secret=xxxxx

it's throwing error as:

{"error_description":"missing required parameters, includes an invalid parameter value, parameter more than once. : Unable to retrieve access token : appId or redirect uri does not match authorization code or authorization code expired","error":"invalid_request"}.

Could you guide me on this issue?

Possible duplicate of Linkedin OAuth2 authorization code error — Jorge Leitao
– Jorge Leitao, Commented Aug 19, 2018 at 7:25

Hans Z. · Accepted Answer · 2015-07-09 06:09:39Z

0

The URL itself looks correct so it must be the code that is expired or reused. Make sure the code is used immediately after you receive it and use it only once.

Also make sure that you URL-encode in fact all parameter values, including client_id and client_secret if/since they may contain URL-unsafe characters like '&' and ' '.

edited Jul 9, 2015 at 6:09

answered Jul 8, 2015 at 8:06

Hans Z.

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8 Comments

BHAGYASHRI GAIKWAD Over a year ago

yes...i tried using immediately only..still same error

BHAGYASHRI GAIKWAD Over a year ago

I just browse on site to get any reference.My issue is same as stackoverflow.com/questions/29804501/… ,hope this clarifies my question

Hans Z. Over a year ago

updated answer with note about url-encoding of all parameter values

BHAGYASHRI GAIKWAD Over a year ago

,we need to use code within 10secs,it has taht short lifespan

BHAGYASHRI GAIKWAD Over a year ago

just need to confirm,i read somewhere taht access token generated is quit short ,merely 10characters-length,however,mine is a way lenghty-179characters.

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