Recommend health insurance policies to purchase in accordance with the STV visa?

What are the insurance requirements for COE and STV?

This is a continuously developing topic, please ensure to check with your embassy or consulate about the length of insurance policy that is required for your COE or visa application.
As of 14.10.2020, there are two separate insurance requirements.
For Certificate of Entry, COE: Health insurance policy which covers COVID-19 related medical treatment with a coverage of no less than USD 100,000 or equivalent.
For Special Tourist Visa, STV: Health insurance policy which covers the period that the applicant intends to stay in Thailand with a coverage of no less than THB 40,000 for outpatient treatment and THB 400,000 for in-patient treatment or equivalent.

https://asq.wanderthai.com/axa-sawasdee-thailand-travel-insurance/

You need spacific mention for STV and In-out patient words. Sawasdee Thailand did not mention that. But it your risk to take it maybe some embassy not so strick with those word now.

I would suggest to check all available insurance policies here https://misterprakan.com/en/pass/thailand-pass?affid=AG2541