IMPORTANT ! If you have already purchase the premium API key before 24th Sep, 2018, please use the same key as Discount Coupon. It will set 100% discount and you don’t need to pay again. You will get the coupon box in checkout section (next step). Feel free to select the package you need.
For Test / Lite API, you will find the Generate Lite / Test API key button in top of the plugin page. Note : Lite / Test API only allow single font conversion.