PayPal Hacks. 100 Industrial-Strength Tips and Tools

Hack 100 Go Live

Take the training wheels off your Sandbox application and start working with real money.

Once you've finished developing your application and have completed your testing in the Sandbox [Hack #87], you'll ultimately want to take your application live. You'll need to do the following:

If you haven't done so already, set up a real, verified Business or Premier account on the live site outside the Sandbox, as described in the introduction to Chapter 3.
Obtain a new digital certificate with a new certificate ID and password.
Log into your PayPal Business account and click the Profile tab.
Click the API Access link and then click the API Certificate Request link.

All accounts need to be verified [Hack #2] before requesting a certificate (otherwise, you won't see a Request link). When you have finished this process, you will receive a link to a new certificate with a new user ID and password.

Unlike the Sandbox, when you have finished the request process, you will not automatically be given the option to download a certificate. Some businesses will even be denied because they do not have an account in good standing. Others might be denied because they are too new. The exact reasons for being denied a certificate are not clear, but it if it happens to you, contact PayPal Customer Service and try to get it resolved.

Change the URL of the PayPal API in your application. If you've built a modular application, it should reference the URL for the API in one or two locations. Find those locations and change the URL from:
https://api.sandbox.paypal.com/2.0/
to:
https://api.paypal.com/2.0/

If you're using the API wrapper [Hack #89], you'll find the URL inside the wrapper class.

8.16.1 Performance and Efficiency

Since access to the PayPal API is currently free, you don't have to worry about tracking and limiting the number of calls your application makes over a given time period. However, since web services calls hamper the performance of your application, you should be thinking about efficiency as you develop. For instance, you might want to cache repeatedly accessed information so that your users don't have to wait while your application retrieves data unnecessarily.

8.16.2 Finishing Up

Once you've made these changes to your application, it's prudent to test your application with real money on the live site before distributing it or installing into a production environment. When you feel your application is ready, go ahead and launch, sit back, and enjoy.

—Rob Conery and Dave Nielsen

< Day Day Up >

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Main Menu

	PayPal Hacks
	Table of Contents
	Copyright
	Credits
	Preface
	Chapter 1. Account Management
	Chapter 2. Making Payments
	Chapter 3. Selling with PayPal
	Chapter 4. Payment Buttons
	Chapter 5. Storefronts and Shopping Carts
	Chapter 6. Managing Subscriptions
	Chapter 7. IPN and PDT
	Chapter 8. The PayPal Web Services API
		Introduction: Hacks #87-100
		8.2 Create a Developer Account
		Hack 87 Set up the Sandbox
		Hack 88 Make Your First API Call
		Hack 89 Create a Wrapper Class for Your API Calls
		Hack 90 Use the PayPal API Wrapper Class
		Hack 91 Refund Payments with the API
		Hack 92 Handle Transaction Errors within the API Wrapper
		Hack 93 Retrieve Transaction Details with the API
		Hack 94 Search for PayPal Transactions
		Hack 95 Hack the API Wrapper
		Hack 96 Issue Payments en Masse with the Mass Pay API
		Hack 97 Pay Affiliates and Suppliers on a Schedule
		Hack 98 Search eBay for Listings that Accept PayPal
		Hack 99 Test IPN and PDT in the Sandbox
		Hack 100 Go Live
	Colophon
	Index

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