Stripe Key Settings
When using WiFi Pass you will need to enter your Stripe.com publishable key (pk) and also a restricted key (rk). Never use your secret key (sk).
How to create your restricted key
Log in to your stripe account and visit https://dashboard.stripe.com/apikeys
Click "Create restricted key"
Choose the option for providing your key to another website
Give the key a name and URL:

IMPORTANT: Your key will be shown to you just once. Copy the key and click DONE.
In the Fydelia portal, go to Visitors - WiFi Pass and paste the key here:

You must also paste in your Publishable key into the Public key box.
Save your settings