I think you can use the search api, and filter using conversation_id

writen by Daniel Nguyen

Exactly

writen by Luca Restagno (ikoichi on Twitter)

For KTool I used 3 different api: • search endpoint + conversation id for tweet less than 7 days old • User timeline endpoint for tweet more than 7 days old, but not too old (more than most recent 3200 tweets) • Scraping twitter page using pupeteer for very old tweets :D

writen by Daniel Nguyen