Unable to access Linkedin profile with valid oauth2 access token

I am having the same problem that is described in LinkedIn OAuth2: "Unable to verify access token"; however, the solution described there does not fix my problem.

I am able to successfully request an access token; however, when I make a request with it (using either the Authorization header or the oauth2_access_token query param), I get a 401 failure:

$ curl "https://api.linkedin.com/v1/people/~?format=json&oath2_access_token=############"
{
  "errorCode": 0,
  "message": "Unable to verify access token",
  "requestId": "Z9ZJ1MOUM0",
  "status": 401,
  "timestamp": 1440096560396
}
$curl --header  "Authorization: Bearer #############" 'https://api.linkedin.com/v1/people/~?format=json'
{
  "errorCode": 0,
  "message": "Unable to verify access token",
  "requestId": "Y1P2PEBEC3",
  "status": 401,
  "timestamp": 1440096564518

The strange thing about this is:

This problem doesn't surface if the user is logged into Linkedin.
If you wait five minutes, the request will just start working.

My guess this is a bug in Linkedin about latency of authorizing access codes based the users' logged in state, but I don't know.

Also I find it strange that the Linkedin authorization form reads, "Sign in to LinkedIn and allow access:"; however, when you put in your credentials and click "Allow access", you are not actually logged into Linkedin.

My code was working fine on last week. Anyone else seeing this?

Looks like you have oath2_access_token there instead of oauth_access_token ? Not sure if this is a hand-paste failure or the actual issue.

curl "https://api.linkedin.com/v1/people/~?format=json&oath2_access_token=############"

Try this it work for me

get('https://api.linkedin.com/v1/people/~?oauth2_access_token=*******&format=json');

Hope that help some one

This seems to be caused by triggering a security watchdog, i.e. after an invalid request or after requesting several access tokens without using them linkedin seems to stop validating tokens and responds 401 instead.

in fact you need to add the two following header : Authorization : Bearear #ACCESS TOKEN# x-li-src : msdk regards

来源：https://stackoverflow.com/questions/32126255/unable-to-access-linkedin-profile-with-valid-oauth2-access-token

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oauth-2.0