Is there anything in the Discourse API that can help you like a post?

Yes, see How to reverse engineer the Discourse API and Discourse API Docs

what is the “post_action_type_id”?

איך ניתן לעשות לייק לפוסט ספציפי דרך ה-API?

Falco (Falco) 20 באפריל,‏ 2022,‏ 4:04pm 5

For like it is 2 as you can check via Reverse engineer the Discourse API

נושא		תגובות	צפיות
Getting who liked a post from the API Development	7	2873	18 במאי,‏ 2022
Get number of likes for a single post? Development rest-api	6	2077	20 במרץ,‏ 2023
How to unlike a topic or post Development rest-api	6	454	24 ביוני,‏ 2024
Discourse Likes API Development rest-api	6	1258	16 בדצמבר,‏ 2022
How to get the likers of the topic with api Support	5	1557	26 בנובמבר,‏ 2015