In addition to the settings under Setup > Addon Modules (if using WHMCS 7.10 or older) or Configuration > System Settings > Addon Modules (if using WHMCS 8.0 or newer) and Setup > Payments > Payment Gateways (if using WHMCS 7.10 or older) or Configuration > System Settings > Payment Gateways (if using WHMCS 8.0 or newer), the following is required:
PayPal API details:
To obtain PayPal API details, do the following.
- Log in to your PayPal account.
- Go to Account Setting by hovering over your name in the top-right corner.
- Click Update next to API Access.
- Under NVP/SOAP API integration, click Manage API credentials.
- From there, you can generate a new set of credentials, view the current credentials, or remove them and create a new set.
- Copy the username, password and signature that get provided and then click Done.
- Enter the details from the previous step into the WHMCS Payment Gateways config screen where requested.
PayPal Reference Transactions:
To use this module, your PayPal account must have "Reference Transactions" enabled. Please contact PayPal Merchant Support to get that enabled on your account.
