www.paypal.com/cgi-bin/webscr?cmd=xpt/Marketing/shipping/Eas...

With a PayPal Premier or Business account, it just takes a few minutes to set up shipping costs, sales tax, or value-added tax. this allows for you to create a simply ecommerce system but have PayPal create and handle the shipping costs.

developer.paypal.com/docs/

This is PayPal's documentation homepage for developers.

developer.paypal.com/docs/classic/api/errorcodes/

API Error and Warning Codes from PayPal

www.paypal.com/uk/webapps/mpp/micropayments

Micropayments is ideal for businesses that process payments under £5 for any type of low value purchases - from digital goods, online gaming, music or software downloads, to membership fees, donations or small item ...

www.paypal.com/uk/webapps/mpp/logo-center

Discover whole range of our hosted PayPal banners logos and buttons. PayPal logos, graphics and buttons at your fingertips.

Our logos and banners are a great way to reassure your customers that you choose PayPal to process payments securely. Pa ...

www.paypal-knowledge.com/infocenter/index?page=content&widge...

PayPal recommends that you use Domain Name Service (DNS) results to determine the IP addresses of our servers. PayPal changes its records often and does not provide advance notification of changes.

If you choose not to use DNS, you should be aw ...

developer.paypal.com/docs/classic/lifecycle/goingLive/

Going Live with Your Application

Once you've finished coding and debugging your application (including testing all your PayPal NVP/SOAP API calls in the ...

www.paypal.com/gb/webapps/mpp/paypal-safety-and-security

PayPal helps protect buyers, sellers & businesses by providing secure payment services. For more information read our online security guide today.

This describes how to qualify for Buyer Protection and Seller Protec ...