Use The Default Sandbox API Profile Or Enter Your Own Profile

NOTE: Production code should NEVER expose API credentials in any way! They must be managed securely in your application.

To generate a Sandbox API Certificate, follow these steps: API Certificate

API Username:
(ex: my_account_api1.paypal.com)
sdk-seller_api1.sdk.com
API Password: 12345678
Encrypted API Certificate:
cert_key.pem format
sdk-seller_cert_key_pem.txt
Environment: sandbox
 

Or enter your own profile...
API Credentials: Client Side SSL Certificate
3 Tokens Authentication
API Username:
(ex: my_account_api1.paypal.com)
Not your PayPal Email Address!
API Password:
Signature:
Encrypted API Certificate:
cert_key.pem format
Environment: sandbox