PayPal Standard and PayPal Express Checkout settings are exactly the same.

For full integration which handles unsubscribe feature within your site, follow the steps below:

Magic Members –> Payment Settings –> PayPal Standard

You’ll need to fill:

Business Email: This will be your PayPal E-mail Address
API Username:
Paypal API Username generated in your Paypal account
API Password: Paypal API Password generated in your Paypal account
API Signature: Paypal API Signature generated in your Paypal account

Here’s how you’ll create them in PayPal:

paypal-selling-tools
paypalapi2

 

paypalapi3
Next step is to setup the IPN notification link to your PayPal Account.

You can copy the link from:
Magic Members –> Payment Settings –> PayPal –> IPN/Notify URL

You can set it to PayPal by following steps in the page below:
receive-ipn

Testing / Sandbox Mode

In order to use the TEST mode, you’ll need to to go to https://developer.paypal.com/ and create a developer account. After that, login to your developer account and create a “buyer” and a “seller” profile. Then, you’ll enter your “seller” account details inside Magic Members and purchase your subscription with your “buyer” account.