An API (Application Programming Interface) allows PayPal software to communicate with your online store or shopping cart. Setting up API permissions and credentials
Choose one of the following options to integrate your PayPal payment solution with your online store or shopping cart.Option 1
- Grant API permissions to a third party to use certain PayPal APIs on your behalf.
Choose this option if:
Grant API permissionOption 2
- You are using a pre-integrated shopping cart, hosted by a third party
- Your website is hosted and managed by a third-party service provider
- Request API credentials to create your own API username and password.
This option applies to:
View API Signature Accept payments from your online stores before setting up APIsEnable Express Checkout
- Custom websites and online stores
- Pre-integrated shopping carts running on your own server
to accept payments from your online stores right away. You can set up API permissions or credentials later. Questions?
If you're not sure about setting up APIs, ask your shopping cart provider or website developer. Learn more
about PayPal API concepts and terminology.>>> which option should l use since I tried option 2 but the API signature I input to the configuration didn't work?>>> if use option 1 i need the "Third Party Permission Username" yet where do i find this username?