In case it helps anyone else...
I was struggling to connect to Snowflake from Power BI Desktop. I was getting this error:
Details: "ODBC: ERROR [HY000] [Microsoft][Snowflake] (4) REST request for URL *** failed: HTTP error (http error) - code=405."
I had the server wrong. It should be:
[orgname]-[account_name].snowflakecomputing.com
You can find these values from the URL when you log in to Snowflake: