Log in to paypal
click on profile
profile and settings
my selling tools
API access
Manage API credentials to integrate my PayPal
account with my online store or shopping cart.
Add or edit API permissions
NVP/SOAP API integration
You or your developer integrated NVP/SOAP (or “Classicâ€)
APIs that allow you to accept payments via PayPal.
CLICK ON REQUEST API CREDENTIALS
If new you will need to request API signature
then hit Agree and Submit
View API Signature
For preconfigured shopping carts: Copy and paste the API username, password, and signature into your shopping cart configuration or administration screen.
For building custom shopping carts: Store the following credential information in a secure location with limited access.
you will have to click on show to show each one
Credential Signature
API Username Show
API Password Show
Signature Show
done