AffiliateWP – PayPal Payouts GPL Overview:

PayPal Payouts allows you to instantly pay your affiliates their earnings from your PayPal account with a single click.
With PayPal Payouts, you can dramatically decrease the amount of time you spend processing payouts, giving you more time to run your business. Affiliates are happier too because they get their funds where they need them faster.
Payouts can be sent for individual referrals or even in bulk to process many referrals at one time.

Important Notes

• PayPal Payouts requires API access to be enabled in your PayPal account. Available for all business accounts.