The PayPal Braintree payment gateway for RazorCart lets you accept payments directly onsite.
Setup and Configuration
1. Download and install the RazorCart PayPal BrainTree payment gateway extension
2. Login to your PayPal account and get your Merchant ID, Private Key, Public Key
3. Go to Store Setup - Payment Setup and setup a credit card payment method
4. Select "BrainTreeDirect" from the gateway dropdown list
5. Enter your "API Key" you got from step 2 above
6. Click the "Save" button to save your changes