Paypal API credentials consist of the API username, API password and digital certificate.
Using your PayPal Business or Premier account email address, log in to https://www.paypal.com.
- Click on "My Account" then "Profile".
- Click the API Access link.
- Click the API Certificate Request link.
- Choose option 2 (if applicable)
- Live certificates cannot be downloaded straight away. Paypal verifies the authenticity of the request before issuing a certificate. It then notifies you by email when the certificate request has been approved.
- Once this is complete you can download the certificate from your account.