Hello,
Glad that you resolved the issue.
The error regarding port 9150 means that the plugin cannot connect to your local tor service. Are you running tor on your web server? If not, then it won’t work.
Using the three exchange rate providers that you mentioned should be more than enough. In general you should be using the least amount of providers that covers all of your coins. You only need fixer.io if you need the exchange rates against fiat currencies.
with regards