Yes! Please go to the Payment Methods page in your account portal and click on "Add a Payment Method" to link your PayPal account to your Twilio account.
Select PayPal as your payment method.
Enter your PayPal login information in order to link your PayPal account to Twilio.
Read through the terms of usage and click "Agree" if you accept.
Once your account is successfully linked you'll see your PayPal account listed as a Payment Method. Click "Add PayPal" to complete the process to link it to your Twilio account.
Click on the "Change" link in the Payment Method field to switch the payment method to your PayPal account. Click "Select Payment Method" and then Twilio will use funds from your PayPal account in order to complete the transaction.