You are paying to a Dutch company named KIYAYA.

KIYAYA is registered with the Chamber of Commerce.

You are paying a one-time-fee of $ 27.00. 

You have a 30-days money-back-guarantee. If you get a refund of course the license key will be revoked.

The plugin is licensed; meaning you are eligible to use the plugin on 1 website. If you want to use it on more websites, you must purchase more licenses.

The license keys are not automatically assigned. During working hours (the Netherlands between 10AM and 6PM) you can expect to receive the key within an hour. Otherwise it can take up to 12 hours.

There are no taxes involved. KIYAYA is exempt from paying taxes.