PayPal Website Payments Standard - 2012 Guía de usuario descargar pdf (Pagina 12)

Contents

12 June 2012 PayPal Payments Standard Integration Guide

Buyer Approval for Basic Authorizations. . . . . . . . . . . . . . . . . . . . . . . . .399

Voiding Basic Authorizations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .399

Chapter 11 Issuing Refunds . . . . . . . . . . . . . . . . . . . . . . 401

Refunding Within 60 Days of Payment. . . . . . . . . . . . . . . . . . . . . . . . . . . .401

Refunding After 60 Days . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .403

Chapter 12 Testing Payment Buttons in the PayPal Sandbox . . . . . 405

Chapter 13 HTML Form Basics for PayPal Payments Standard . . . . 407

Form Attributes – ACTION and METHOD . . . . . . . . . . . . . . . . . . . . . . . . . .407

Hidden Input Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .407

Specifying the Kind of Payment Button – cmd . . . . . . . . . . . . . . . . . . . . . . . .408

Variations on Basic Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .409

Record Keeping with Passthrough Variables . . . . . . . . . . . . . . . . . . . . . .409

Setting the Character Set – charset . . . . . . . . . . . . . . . . . . . . . . . . . . .409

Setting The Return URL on Individual Transactions. . . . . . . . . . . . . . . . . . .410

Desired Currency on Individual Transactions . . . . . . . . . . . . . . . . . . . . . .410

Using HTML Variables With Saved Payment Buttons . . . . . . . . . . . . . . . . . . . .411

Filling Out FORMs Automatically with HTML Variables . . . . . . . . . . . . . . . . . . .411

Overriding Addresses Stored With PayPal. . . . . . . . . . . . . . . . . . . . . . . . . .414

Instant Payment Notification – notify_url . . . . . . . . . . . . . . . . . . . . . . . . . . .415

Appendix A HTML Variables for PayPal Payments Standard . . . . . 417

Technical HTML Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .418

HTML Variables for Individual Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . .420

HTML Variables for Payment Transactions . . . . . . . . . . . . . . . . . . . . . . . . .426

HTML Variables for Shopping Carts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .427

HTML Variables for Recurring Payments Buttons . . . . . . . . . . . . . . . . . . . . . .429

HTML Variables for Displaying PayPal Checkout Pages . . . . . . . . . . . . . . . . . .434

HTML Variables for Filling Out PayPal Checkout Pages Automatically . . . . . . . . . . .439

HTML Variables for the Instant Update API . . . . . . . . . . . . . . . . . . . . . . . . .441

Instant Update Variables to Set Up a Payment for the Instant Update API . . . . . . .441

Instant Update Variables for Dimensions of Individual Items . . . . . . . . . . . . . .442

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PayPal Website Payments Standard - 2012 Guía de usuario Pagina 12