PayPal Integrator is a suite of easy-to-use components for accessing PayPal merchant services and building fully integrated e-commerce applications. The components provide programmatic access to all major merchant services exposed by PayPal, including direct payments, transaction processing, customer verification, transaction searching, mass payments, refunds, and more. Support for PayPal signature authentication enables connectivity to PayPal merchant services account without the use of client side certificates. PayPal Integrator includes everything needed to rapidly add PayPal account management capabilities to web or desktop applications, including: extensive documentation, sample applications, integrated help, and much more!
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