To answer the agent question. I’m unaware of any that work like that and I for one would suggest avoiding them if you can. It’s really not that hard. 🤗
I’ll be curious what people suggest. ‘Real’ Thai massage in Thailand’s eyes is certified by The Ministry of Public Health. I don’t believe this is open to foreigners.
The curriculum I’ve seen is a pretty intensive lock in 30 day stay. Open dorm, no air conditioning and directly tied to Buddhism as part of the process.