Please refer to Linkedin v2 API reference here
https://developer.linkedin.com/docs/guide/v2/organizations/follower-statistics
git clone https://github.com/jstortoise/linkedin-v2.git
cd linkedin-v2
npm install
npm start
Now, go to http://localhost:4001
Open your web browser and type the following URL
http://locahost:4001/auth/linkedin
Now, you can get accessToken
POST http://localhost:4001/auth/linkedin/api
Headers: {
"token": "<your_oauth_token_here>"
"Content-Type": "application/json"
}
Body {
"start_date": "",
"end_date": ""
}