Can I use AUD to trade with them?

https://fxgt.com/    

FXGT is operated by a group of companies that includes 360 Degrees Markets Ltd and GT IO Markets (Pty) Ltd. 360 Degrees Markets Ltd is licensed and regulated by the Seychelles Financial Services Authority (Seychelles FSA) under the securities dealer's license number: SD019.

As for the question you asked, we recommend that you ask the official customer services directly for a more accurate answer. For more details on this broker, please check our full FXGT review.