On Frog, click on "Add a connection" and select PayPal.

For the title, you are free to name it as you want. If you plan to use several PayPal connections, be sure to differentiate them.

Depending on if you want to perform test or accept live payment select the type of key you are using.

Go to https://developer.paypal.com/developer/applications .

Select live or sandbox (depending if you want to test or collect payments), and click “create app”.

Give it name, select "Merchant', your corresponding business account and click “create app”.

Copy and paste client id and secret in corresponding fields on frog.tech