Hi @Wieslaw_Olborski! Thanks for reaching out! We do not have a test environment at the moment, but you can create another workspace to test our API. What are you specifically trying to test? Please let me know when you can. Thanks! 
Hi @Wieslaw_Olborski! Thanks for reaching out! We do not have a test environment at the moment, but you can create another workspace to test our API. What are you specifically trying to test? Please let me know when you can. Thanks!