We've just launched our 'like posts' module. Simply give it a Linkedin post URL and it'll automatically like the post, and send you back a bunch of useful info you can use to personalise messages.
Example post:
URL: https://www.linkedin.com/posts/briansolis_kindness-compassion-bekind-ugcPost-6742172694860709889-pHpS/
Response:
[
{
"status": "ok",
"data": {
"firstName": "Brian",
"lastName": "Solis",
"profileUrl": "https://www.linkedin.com/in/briansolis",
"connectionDegree": "2nd",
"numberOfLikes": 6640,
"numberOfComments": 297,
"numberOfViews": 252960,
"postUrl": "https://www.linkedin.com/posts/briansolis_kindness-compassion-bekind-ugcPost-6742172694860709889-pHpS"
}
}
]