authentication - Unable to obtain LinkedIn Access Token using Authorization Code -


i unable obtain linkedin access token. setup follows:

  1. i have setup app on li redirect url http://localhost:5000/home

  2. i request authorization li , response 'code'.

  3. in under 10 seconds, copy code query param out of url bar , paste postman.

  4. in postman, have setup follows:

    post /oauth/v2/accesstoken http/1.1 host: www.linkedin.com content-type: application/x-www-form-urlencoded  grant_type=authorization_code& client_id=<client id>& client_secret=<client secret>& redirect_uri=http%3a%2f%2flocalhost%3a5000%2fhome& code=aqsbuzcwwsk_3sqqfusrzwea4tzqu_x4fsqkub9c3eoeczzwno2zh8uazjc-t0t40wrv6qnxnpcdxckejuxhqb56zhkqqreb5mdjm1kzrcrllbbyhzyymf5orzwngobyljukuvq_0oisue0w0rq

i have made multiple attempts in response, following error.

{"error":"invalid_request","error_description":"unable retrieve access token: appid/redirect uri/code verifier not match authorization code. or authorization code expired. or external member binding exists"}

we have li login deployment stopped working , started returning error. on simplifying use case, find postman same.

what gives? doing wrong? used work!


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