Implementation guidehtml

Standard Checkout
HTML Implementation Guide

U.S. Version 2010-09-15

2 | Checkout by Amazon | Introduction

Checkout by Amazon | TOC | 3

Contents
Overview of Checkout by Amazon...................................................................................................................... 5
Who Should Read This Document...........................................................................................................5
Prerequisites............................................................................................................................................. 5
Your Tasks When Using Checkout by Amazon...................................................................................... 5
Other Documentation............................................................................................................................... 5
What's New in This Document.................................................................................................................6

Chapter 1: Setting Up Your Checkout by Amazon Account.......................9
Signing Up for Checkout by Amazon.................................................................................................... 10
Logging In to Your Checkout by Amazon Account.............................................................................. 10
Log In to Seller Central.............................................................................................................. 10
Your Sandbox and Production Settings................................................................................................. 11
Switching Between Production and the Sandbox...................................................................... 13
Your Account and Your Info & Policies................................................................................................13
Set Up Your Account Settings................................................................................................... 13
Set Up Your Info & Policies Settings........................................................................................ 15
Your Checkout Pipeline Settings........................................................................................................... 16
Set the Return URLs.................................................................................................................. 17
Toggle the Shopping Cart Security............................................................................................ 17
Set the Integration URLs............................................................................................................17
Set the Order Report Type and Frequency.................................................................................18
Basic Seller Central Settings for Shipping, Taxes, and Promotions...................................................... 18
Set Your Seller Central Shipping Rates..................................................................................... 18
Set Your Seller Central Tax Rates............................................................................................. 19
Set Your Seller Central Promotions........................................................................................... 19
Setting User Permissions for Your Seller Central Account................................................................... 20
Step One: The Account Manager Sends the Invitation.............................................................. 20
Step Two: The User Receives a Confirmation Code................................................................. 20
Step Three: The User Accesses Seller Central and Creates an Account....................................20
Step Four: The Account Manager Sets User Permissions..........................................................21
Setting Up Your E-mail Whitelist.......................................................................................................... 21
Set Up Your Whitelist................................................................................................................ 21
Getting Your AWS Key......................................................................................................................... 22
Get Your AWS Keys..................................................................................................................22
Setting Up Your Buyer (Testing) Account............................................................................................ 22
Set Up Your Buyer (Testing) Account.......................................................................................23
Set Up PayPhrase for Your Buyer Account............................................................................... 24
Enabling PayPhrase on Your Website................................................................................................... 24

Chapter 2: Integrating with Checkout by Amazon.................................... 27
Steps to Integrating Checkout by Amazon with Your Website ............................................................ 28
Integration Touch Points........................................................................................................................ 28
Sandbox Setup........................................................................................................................................30
Create a Sandbox Cart Using HTML......................................................................................... 30
Sign Your Cart........................................................................................................................... 31
Add the Signature to the Cart..................................................................................................... 32
Place the Sandbox Checkout Button Code on Your Test Webpage.......................................... 33
Test Your Sandbox Button by Placing a Test Order.................................................................. 34
Production Setup.................................................................................................................................... 35

4 | Checkout by Amazon | TOC

Create a Production Cart Using HTML..................................................................................... 35
Sign Your Cart........................................................................................................................... 36
Add the Signature to the Cart..................................................................................................... 37
Place the Production Checkout Button Code on Your Test Webpage....................................... 38
Test Your Production Button by Placing a Test Order.............................................................. 39
Cancel Your Test Production Order...........................................................................................40
Place the Production Checkout Button Code on Your Live Web page..................................... 41
Additional Setup Tips.............................................................................................................................41
Set Up for Your Mobile-Optimized Website......................................................................................... 44
Enabling Checkout by Amazon on Your Mobile-Optimized Website...................................... 44
The Customer Experience on a Mobile-Optimized Website..................................................... 44

Chapter 3: Handling Settlements................................................................. 47

Chapter 4: Post-Setup Exit Criteria.............................................................49
Exit Criteria............................................................................................................................................ 50
Ten Types of Test Transactions............................................................................................................. 50
Order Options Used When Testing Transactions...................................................................................50

Chapter 5: Cart and Button Customizations.............................................. 51
Using Cart Overrides..............................................................................................................................52
Shipping Overrides.....................................................................................................................52
Tax Overrides............................................................................................................................. 54
Promotions Overrides.................................................................................................................56
Flexible Shipping Options......................................................................................................................58
Customer Experience................................................................................................................. 58
Merchant Experience..................................................................................................................59
Service Levels and Custom Shipping Levels............................................................................. 62
Using Flexible Ship Options with HTML-based Carts.............................................................. 63
Modifying Button Styles........................................................................................................................ 64
Additional Checkout by Amazon Features............................................................................................ 65

Appendix A: Code Samples...........................................................................67
Signing Carts.......................................................................................................................................... 68
Post-Order Management Using SOAP...................................................................................................68
Callback API.......................................................................................................................................... 68
Instant Order Processing Notification API.............................................................................................68

Appendix B: Button Styles............................................................................ 71
White Background..................................................................................................................................72
Light Background...................................................................................................................................73
Dark Background................................................................................................................................... 74

Appendix C: HTML Definitions...................................................................77
Definition Tables....................................................................................................................................78

Overview of Checkout by Amazon

Welcome to the Standard Checkout - HTML Implementation Guide.
This section describes who should read this guide, how the guide is organized, and other resources related to
Checkout by Amazon.

Who Should Read This Document
This document gives you the information and steps you need to integrate your website with Checkout by Amazon.
Before you begin integration, you must decide what method you will use to integrate: using the Create Checkout
Button page in Seller Central, using HTML-based code you build yourself, or using XML-based code you build
yourself.
• If you want to integrate with buttons you build using the Create Checkout button page, then please
download and read the Standard Checkout - Button Creation Wizard Implementation Guide.
• If you want to integrate building your own XML-based code, then please download and read the Standard
Checkout - XML Implementation Guide.
• If you want to integrate building your own HTML-based code, then please continue reading this document.

Prerequisites
This guide assumes you--or your development staff--are familiar with using HTML in an application development
environment.
Before you can use Checkout by Amazon, your systems must meet the following prerequisites:
• You must have a shopping cart on your site and make it available for processing using HTML. (That is, no matter
what tool you use to build your shopping cart, you must be able to send it as HTML for processing.)
• You must be familiar with using JavaScript. (There are several required JavaScript code snippets that you must
use in your carts to enable Standard Checkout)

Your Tasks When Using Checkout by Amazon
You have four basic tasks to accomplish when using Checkout by Amazon on your site:
1. Set up your Checkout by Amazon account.
2. Complete your Seller Central settings.
3. Integrate your site with Checkout by Amazon.
4. Test and sign off your integration.
The rest of this document discusses how to accomplish these tasks.

Other Documentation
You can read our downloadable PDFs to understand more about Checkout by Amazon.
More Resources for Checkout by Amazon

Resource Audience, Purpose, and Goals

6 | Checkout by Amazon | Overview of Checkout by Amazon

Getting Started Guide For merchants who want to use a simple, step-by-
step approach in setting up Checkout by Amazon
on their websites. The Getting Started Guide walks
merchants through the process, from gathering the
required information for signing up for an account
to setting up a button on their websites.
Standard Checkout - Button Creation Wizard For merchants and developers who want a
Implementation Guide detailed list of ways to integrate their website with
Checkout by Amazon. The Implementation Guide
Standard Checkout - HTML Implementation Guide provides the information needed for programming
and code development. Note that there are three
Standard Checkout - XML Implementation Guide versions of this document: one for those who
just want to paste the button code built using the
Create Checkout Button feature in Seller Central,
one for HTML-based code, and one for XML-
based code.
Using Seller Central For merchants who want an overview of Seller
Central.
Standard Checkout - Callback API Guide For developers who want to build their own
applications to calculate shipping and tax rates as
well as promotional discounts and then send these
results to Checkout by Amazon.
Standard Checkout - Callback API Developers For developers who want a quick, 1-page
Cheat Sheet summary of how to enable callbacks.
Instant Order Processing Notifications Guide For developers who want to automate order
notifications with Amazon Payments.
Using Custom Data Fields Guide For merchants and developers who want to include
custom data fields in their carts.
Best Practices Guide Tips for setting up your website to use Amazon
Payments, with advice for planning, setting up,
and day-to-day operations.

Managing Orders A guide to assist you in the day-to-day operations
for managing orders generated by Checkout by
Amazon.
Alternate Payment Method Guide Information on using Checkout by Amazon as an
alternate payment method on the payments page of
your standard checkout.

What's New in This Document
Table of Changes
Ver Date Changes
1.4 2010-10-11 Added information about
using Checkout by Amazon on
mobile-optimized websites.
1.3 2010-09-15 Revisions for updated checkout
functionality.

Checkout by Amazon | Overview of Checkout by Amazon | 7

1.1 2010-06-30 Revisions for Amazon
Payments site functionality.
1.0 2010-02-14 Initial release.

Copyright © 2010 by Amazon.com, Inc, or its affiliates.

8 | Checkout by Amazon | Overview of Checkout by Amazon

Chapter

1
Setting Up Your Checkout by Amazon Account
Topics: You have six required tasks (and three optional, but recommended, tasks)
when you initially set up your Checkout by Amazon account on Seller
• Signing Up for Checkout by Central.
Amazon
In this section you'll learn about the following required tasks:
• Logging In to Your Checkout by
Amazon Account 1. Sign up for your Checkout by Amazon account.
• Your Sandbox and Production 2. Switch between the Production and Sandbox modes.
Settings 3. Set up your Info & Policies.
• Your Account and Your Info & 4. Set up your Checkout Pipeline Settings.
Policies 5. Set up your basic settings for Shipping Rates, Tax Rates, and Promotions.
• Your Checkout Pipeline Settings 6. Set up your Buyer (testing) Account.
• Basic Seller Central Settings You'll also learn about the following optional, but recommended, tasks:
for Shipping, Taxes, and
Promotions 1. Set up your Role-based Permissions.
• Setting User Permissions for 2. Modify your e-mail client's whitelist to accept e-mail from Amazon
Your Seller Central Account Payments.
• Setting Up Your E-mail Whitelist 3. Get your AWS Security Keys, used for signed carts.
• Getting Your AWS Key
• Setting Up Your Buyer (Testing)
Account
• Enabling PayPhrase on Your
Website

10 | Checkout by Amazon | Setting Up Your Checkout by Amazon Account

Signing Up for Checkout by Amazon
To get started integrating your website with Checkout by Amazon, you must first sign up for your Checkout by
Amazon account.
If you have not already signed up for Checkout by Amazon, please download and read the Getting Started Guide for
Checkout by Amazon. It contains the information you need and steps to follow.

Logging In to Your Checkout by Amazon Account
After you've signed up for your account, you use your account credentials (your e-mail and password) to sign in to
Seller Central to manage your account.
Seller Central is the "homepage" for your account. It's where you set up your basic settings for your account, such as
your info & policies, or your checkout pipeline experience, and so on.
In Seller Central, you can perform the following actions:
• Switch between the Sandbox and Production
• View and fulfill orders
• View your payments
• Edit your account settings

Log In to Seller Central
You log in to Seller Central when you want to manage orders, view reports, or manage your account settings.
Note: You can also manage orders and view reports
programmatically. For more information about how to do
so, please see Managing Orders.
Follow these steps to log in to Seller Central:

1. Go to https://sellercentral.amazon.com.
You'll see the Seller Central log-in page:

Checkout by Amazon | Setting Up Your Checkout by Amazon Account | 11

Figure 1: The Seller Central Log-in Page
2. Enter your Seller Central account credentials (the e-mail and password you used to sign up for the Checkout by
Amazon account).
3. Click Sign in.
You'll see the Seller Central home page:

Figure 2: Seller Central Home Page
For more information about using Seller Central, please download and read Using Seller Central.

Your Sandbox and Production Settings
After you have signed in to Seller Central you are ready to edit your account settings.


However, before you begin setting up your account, it's important for you to understand that there are two basic
methods of operation, Sandbox and Production.
• You use the Sandbox for testing your setup and your code. Nothing you do in the Sandbox generates paid orders.
• You use Production to generate orders. Anything you do in Production is treated as a real order--you must either
fulfill or cancel all Production orders within 30 days.
The basic difference between the Sandbox and Production is that anything you do in the Sandbox cannot generate an
order that is charged to a payment method. That is, you can "buy" an item in the Sandbox mode, but the credit card
you use to buy the item can never be charged for the item. If you buy an item in Production, you are placing a real
order that must be either fulfilled or canceled--that is, you must either ship it or cancel the order.
Important: You cannot use your merchant account (the
account you use to sign in to Seller Central) to place
an order in Production. If you want to place orders in
Production so you can test the end-to-end experience and
make sure your fulfillment systems are working, you must
create and use a separate "buyer" account. See Setting Up
Your Buyer (Testing) Account on page 22 for more
information about setting up and using a buyer account.
This table illustrates the functions available in the Sandbox and in Production.

Table 1: Functions Available in the Sandbox and in Production

Function Sandbox Production Notes
Generate orders Yes Yes
Build functional* Yes Yes "Functional" here means that you can
Checkout buttons click the Checkout button and go through
the order pipeline.
Create an order using a Yes Yes You can use your payment method in the
payment method Sandbox, but your payment method will
never be charged.
View orders Yes Yes All orders in the Sandbox are marked as
"Pending."
Fulfill orders No Yes All orders in the Sandbox are marked as
"Pending"; you cannot fulfill "Pending"
orders.
Give feedback on an No Yes
order
Cancel an order as a Yes Yes
customer
Cancel an order as a No Yes
merchant
Have a payment method No Yes
charged for an order
View and download No Yes
order-related reports

When you set up your account, you must set up your Sandbox and Production settings separately. To set them up,
you must switch between Production and Sandbox mode in Seller Central.
Note:


When you first set up your Checkout by Amazon account,
you are in the Production mode. You must explicitly
switch to the Sandbox mode.
The mode you pick (Production or Sandbox) is "sticky";
that is, if you select a mode, log off from Seller Central,
and then log in again, you return to the same mode.

Switching Between Production and the Sandbox
Follow these steps to switch between Production and the Sandbox
1. Locate the Website drop-down box near the top left:

Figure 3: The Website drop down box
2. Click the Website drop-down box to display the available websites:

Figure 4: The Website drop down box displaying the available websites
3. To select the Production mode, click Your Checkout Website.
4. To select the Sandbox mode, click Your Checkout Website (Sandbox).

Your Account and Your Info & Policies
Your Checkout by Amazon account has two separate account settings that you set up before you accept your first
order:
• Your Account Settings: Used to set up your account settings we use to transact business with with you, such as
your business name or your bank account information.
• Your Info & Policies Settings: Used to set up the information your customers see about you, such as your
refunds and return policy
Note: Be sure you switch to the correct mode before
you change these settings. To learn more about switching
between modes, please see Your Sandbox and Production
Settings on page 11 in this document.

Set Up Your Account Settings
The Account Information page lets you change the following options:


Notification Options
• Order notifications
• Out-of-stock notifications
• Business updates
• Claims notifications (e-mail address)
• Technical notifications (e-mail address)
Business Information
• Your business display name
• Your business legal name
• Customer service e-mail
• Customer service reply-to e-mail
• Customer service phone number
Business Profile
• Type of ownership
• Business category
• Website URL
• Date established
• Estimated $ volume / month
• Average transaction $ amount
Bank Account Information
Important: It is critical that you enter your bank account
information in your Account Settings page in Production--
we cannot pay you unless you set up a valid U.S.-based
checking account.
Important: Amazon Payments may require that you
maintain a minimum balance (or reserve) in your account
to secure the performance of your payment obligations.
Please see the Amazon Payments Reserve Policy topic
for information on how this reserve is calculated and
managed.
Note: Changing your Bank Account information will
start an automatic 14-day hold on disbursements. See How
often am I paid? for more information.
Credit Card Information (select or update only)
Note: You can view but not change the information in
the Credit Card section. If you want to change your credit
cart information or add a new credit card, you do so on the
Amazon.com site by going to https://www.amazon.com/
gp/css/account/cards/view.html and following the
instructions on that page.
Follow these steps to set up your account settings:
1. Verify that you have selected the correct mode, Production or Sandbox.
you change these settings. To learn more about
switching between modes, please see Your Sandbox and
Production Settings on page 11 in this document.
2. In Seller Central, click Settings > Account Info.
The Account Info page appears:


Figure 5: The Account Info page
3. Under Notification Options, verify that Order Notifications and Out-of-stock Notifications are enabled.
If notifications are not enabled, click the Edit button in the Notification Options section, enable the notifications,
and click Update.
4. Verify that your information is correct for your Business Information, your Business Profile, your Bank Account
Information and your Credit Card Information.
To change the information, click the Edit button in the appropriate section, make the necessary changes, and click
Update.

Set Up Your Info & Policies Settings
The Your Info & Policies page lets you change the following attributes about your company. This information
appears in the checkout pipeline:
Page link Used for
About Seller Tell your customer about yourself.
Seller Logo Add your company logo 120 x 30 pixels (GIF,
JPG, or PNG).
Returns & Refunds Describe your returns and refund policy.
Shipping By default, your shipping costs page in the
checkout pipeline shows your shipping costs (from
Seller Central Manage Shipping). However, you
can use this page to describe more about your
shipping policies.
Privacy Policy Describe your privacy policy.
Frequently Asked Questions List any frequently asked questions and answers
you might have.


Page link Used for
Custom Help Pages Add any additional help pages you'd like
customers to see if they want more information
within the checkout pipeline.
Important: Changes you make to the pages on the Your
Account & Policies page take about 24 hours to appear.

Follow these steps to set up your Info & Policies settings.
1. Verify that you have selected the correct mode, Production or Sandbox.
you change these settings. To learn more about
switching between modes, please see Your Sandbox and
Production Settings on page 11 in this document.
2. In Seller Central, click Settings > Your Info & Policies.
The Your Information & Policies page appears:

Figure 6: The Your Information Page
3. For each section in the Your Information & Policies page, click the link to that page, enter the information, and
click Save.
Note that if you don't see a page you want, you can create Custom Help Page with the content you specify.

Your Checkout Pipeline Settings
With Checkout by Amazon, you can set the following options for your checkout pipeline:
• Set the URL for successful payments (the page on your site where customers land after completing their
purchase).
• Set the URL for canceled payments (the page on your site where customers land if they cancel the order before
completing their purchase).


• Set the URL for your customers' account information (the page on your site where you show customers their
account information)
• Set whether you want to accept only signed carts (carts with a calculated signature).
• Set the URL for instant order processing notifications (useful if you integrate using the Instant Order Processing
Notification API; see the Instant Order Processing Notification API Guide (PDF) for more information).

Set the Return URLs
Follow these steps to set the three Return URLs.
Note: The Your Account Return URL points to a
location on your site where you display information to
your customers about their accounts. Customers can go
to the Amazon Payments Your Account page (https://
payments.amazon.com/sdui/sdui/overview) to see their
order status for all payments made using Checkout by
Amazon anywhere on the internet.
1. In Seller Central, click Settings > Checkout Pipeline Settings.
The Checkout Pipeline Settings page appears.
2. Click the first Edit button on the page (the one immediately under the Instant Order Processing Notification
Settings heading).
3. In the Successful Payment Return URL box, type the URL you want to send your customers to after they
successfully complete payment.
4. In the Cancel Payment Return URL box, type the URL you want to send your customers to if they cancel the
order before they successfully complete payment.
5. In the Your Account Return URL box, type the URL on your you want to send your customers to when they
want to inquire about their account.
6. Click Update.

Toggle the Shopping Cart Security
Follow these steps to toggle your shopping cart security setting.
Note:
You can choose to accept signed carts whether you
integrate using the Checkout buttons created in Seller
Central, HTML-based Checkout buttons, or XML-based
Checkout buttons.
For more information about signing your Checkout
buttons, please see Sign Your Cart on page 31.
Settings heading).
3. Next to Shopping Cart Security, click the Accept only digitally signed XML shopping carts check box to set the
checkmark (accept only signed carts) or to clear the checkmark (accept all carts).
4. Click Update.

Set the Integration URLs
If you (or your integrator/developer) are using the Instant Order Processing Notifications, you must specify where you
want these notifications to go. You can send them to your own website or to your integrator's website.
Note: Choose either your own website or your integrator's
website, but not both, or else you will get multiple order
processing messages


Settings heading).
a) In the Merchant URL box, type the URL (on your website) where you want notifications to be sent.
b) Or, in the Integrator URL box, type the URL (on your integrator's or developer's website) where you want
notifications to be sent.
3. Click Update.

Set the Order Report Type and Frequency
You can set your order report type and frequency in Seller Central to match your needs.
2. Click the second Edit button on the page (the one immediately under the Order Reports Setting heading).
The Order Reports Setting page appears.
3. Next to Order Report Type, click the radio button for the type of report you want.
If you are working with an integrator, they will give you the correct format to choose.
4. Next to Order Report Schedule, pick the frequency of your reports.
5. Click Update.

Basic Seller Central Settings for Shipping, Taxes, and Promotions
Your Checkout by Amazon account uses Seller Central to manage basic settings for shipping rates, tax rates, and
promotions.
The rates and options you set in Seller Central determine what shipping rates, tax rates, and promotions apply to
orders processed using Checkout by Amazon. If you do not otherwise set these values (whether in the button code
you build using overrides or by using callbacks), these values will be used to calculate shipping, tax, and promotional
discounts.
There are a few default settings already applied when you first create your Checkout by Amazon account, but it's a
good idea to review them to be sure that you know what to expect when you begin accepting orders.
Important: If you are planning to programmatically
control these rates and settings (using overrides, callbacks,
or third-party cart management solutions), it's still a
good idea to review these options, because if Checkout
by Amazon can't process the overrides you supply
programmatically, the defaults set in Seller Central will be
used as a backup.

Set Your Seller Central Shipping Rates
Follow these steps to review and set your Seller Central Shipping Rates:
1. In Seller Central, go to Settings > Shipping Settings.
The Shipping Settings page appears, showing your current shipping rates.
2. You can change the following options:
• Set your shipping model (per-item/weight-based or price-banded)
• Edit your shipping regions and service levels
• Set your shipping rates
Tip: For complete information about setting shipping
rates, please see Configure Shipping Rates & Restrictions
in Seller Central.


Note:
For more fine-grained shipping rates, you can use
overrides or callbacks.
Shipping rates you set in overrides or callbacks replace
existing rates set in Shipping Rates in Seller Central.

Set Your Seller Central Tax Rates
DISCLAIMER:
While Amazon Payments is providing you a means to determine and apply sales taxes to your transactions, we do
not warrant that these tax amounts will fully satisfy your sales and use tax reporting obligations. For a final
determination on these matters, please seek assistance from your tax advisor.
Follow these steps to review and set your Seller Central Tax Rates:
1. In Seller Central, go to Settings > Manage Taxes.
The Manage Sales Taxes page appears, showing your current tax rates. (There are no default tax rates set up.)
• Set a tax rate for all national sales
• Set a tax rate for an individual state or District of Columbia
Tip: For complete information about setting tax rates,
please see Tax Settings in Seller Central.

Note:
You can set tax rates only at the state level with the
Manage Tax feature. For more fine-grained tax rates, you
can use overrides or callbacks.
Tax rates you set with overrides or callbacks replace
existing tax rates set in Manage Taxes in Seller Central.

Set Your Seller Central Promotions
Follow these steps to review and set your Seller Central Promotions (discounts):
1. In Seller Central, go to Settings > Manage Promotions.
The Manage Promotions page appears, showing your current promotions.
• Add a fixed-amount-off promotion
• Add a percent-off promotion
• Add a free-shipping promotion
• Add a tiered promotion
• Add a fixed-price promotion
Tip: For complete information about setting promotions,
please see Offer Promotions in Seller Central.

Note:
You can set promotions in Seller Central, overrides,
callbacks, or a combination of all three.
Promotions set using overrides or callbacks are additive
to the promotions set in Manage Promotions. That is, if
you have an existing promotion in Seller Central and a
promotion in your override, and both can apply to the
order, then both will be applied, resulting in a double-
discount.


Setting User Permissions for Your Seller Central Account
When you first set up your Seller Central account, only the original registered user can access the features of Seller
Central. But as time goes by, you might find that you want others to access your account. For example, you might
want a co-worker to manage your orders or to handle your shipping confirmations. To add users or adjust user
permissions, you use the User Permissions feature.
Seller Central uses an invitation model to manage user accounts. First, users are invited to create an account on
Seller Central to access your storefront; then, the account manager (also called the account administrator) configures
the permissions for that user. By inviting users into the system and then configuring their permissions, you are
assured that the appropriate user accounts are linked to the right owners, and that the correct permissions apply to
the intended users. The invitation model also helps you to fully manage user accounts without assistance from an
Amazon Payments administrator.
To set up users, first the account manager must set up the initial account using the Checkout by Amazon registration
process. After setting up the initial account, the account manager then compiles a list of people who can access the
system and determines the respective rights for those users.
At this point, the account manager is ready to invite new users to Seller Central. This invitation process takes three
steps:
1. The account manager sends an e-mail invitation to each user that contains a link to Seller Central.
2. The user clicks the link and navigates to a page giving access to a unique confirmation code. At this stage, the user
is a pending user.
3. The user enters the confirmation code and establishes the account. At this stage, the user is now a current user.
After the invitation process is complete, the user has a username and password to access the system.
The final step is for the account administrator to assign the appropriate rights to that user.
Note: The username and password are combined
together to identify a unique user account. For example,
myname@isp.com + password1 and myname@isp.com +
password2 are different user accounts.

Step One: The Account Manager Sends the Invitation
The first step is to invite the user.
1. On the Settings tab, click User Permissions.
The User Permissions page appears.
2. Under Add a New Seller Central User, type the e-mail address of the user you want to invite to the account.
3. Click Send Invitation.
The e-mail invitation is sent to the e-mail address you specified. A confirmation message appears.
4. Click Continue.

Step Two: The User Receives a Confirmation Code
After clicking the link in the invitation e-mail, the invited user navigates to a web page that asks the user to either
sign in with an existing Amazon account or to create a new account. After this is done, a page appears containing
a confirmation code. The user then shows or sends the confirmation code to the account manager, and the account
manager approves the user and grants rights to the user.

Step Three: The User Accesses Seller Central and Creates an Account
After the account manager confirms the user, the user can go to https://sellercentral.amazon.com/ to log in to the
account.


Step Four: The Account Manager Sets User Permissions
After creating the user, the account manager can edit user permissions, granting rights to any and all tools.

1. On the Settings tab, click User Permissions.
The User Permissions page appears.
2. On the User Permissions page, click Edit next to the account you want to change.
The Add or Edit User page appears.
3. On the Add or Edit User page, click the button next to each tool you want to allow the user to access.
4. When you are finished, click Continue.
A confirmation message appears confirming the modifications.

Note: The original account holder -- ithe one who first
signed up for the account -- is always the default account
manager. The account manager can always grant rights to
others to be co-account managers; however, the original
owner/account manager cannot be changed or removed.

Setting Up Your E-mail Whitelist
E-mail is the default means of communication from Amazon Payments to you. For example, each time a customer
places an order, we send you an order notification e-mail. We also send e-mails when there is a dispute about
a transaction. There are other e-mails you can receive from Amazon Payments concerning your account and
transactions.
Because e-mail is an important means of communication, it's important that you're getting these e-mails from Amazon
Payments. To be sure that you can receive these e-mails, you can set your e-mail client to always accept e-mails from
Amazon Payments by adding the sender (amazon.com) to your e-mail client's "whitelist." (A whitelist is a set of
permitted e-mail addresses that can send e-mail to you, no matter what content they send.)

Set Up Your Whitelist
Follow these general steps to set up your e-mail client's whitelist.
Note: These steps assume you are using Microsoft
Outlook 2010. If you use another e-mail client, check the
application's online help for more information.

1. In Microsoft Outlook 2010, click Home > Junk > , and then click Junk E-mail Option.
The Junk Mail Options box appears.
2. Click the Safe Recipients tab, click Add, type @amazon.com, and then click OK.
Your Safe Recipients list will look something like this:


Figure 7: Junk E-mail Whitelist in Outlook 2010
3. Click OK.

Getting Your AWS Key
Your AWS keys are used for signing your carts (orders) and are unique to your account. You get (and use) two
different AWS keys:
• Your AWS Access Key ID (public)
• Your AWS Secret Access Key (private)
For more information about signing your carts, please see Sign Your Cart on page 31.

Get Your AWS Keys
Important: Keep your Secret Access Key in a safe place
-- do not share it with unauthorized people, and never
include it in an e-mail message or in the order code you
develop. Use the Secret Access Key only to sign orders.
Follow these steps to get your AWS keys
1. In Seller Central, go to Integration > Access Key.
The Access Key page appears, showing your Access Key ID and a placeholder for your Secret Access Key.
2. To view your Secret Access Key, click Show.
Your Secret Access Key appears.

Setting Up Your Buyer (Testing) Account


Before you begin taking orders on your website, you should test your order and fulfillment systems to be sure that you
can reliably accept and fulfill orders. And when you create test orders, you must use a separate account from the one
you use when you signed up for Checkout by Amazon.
Note:
For more information about testing procedures, please see
#unique_38.
Be sure you understand that orders placed in the
Production environment must be either fulfilled by you
as the merchant or canceled using the buyer account. See
Cancel Your Test Production Order on page 40 for
more information.

Set Up Your Buyer (Testing) Account
Important: Do not use the same e-mail address for
your buyer (testing) account that you are using for your
seller or merchant account. Amazon Payments allows
only one account per e-mail account. That is, if you use
someone@mail.com for your seller account, don't use the
same e-mail address when you create a new buyer (testing)
account.
Note: If you already have a separate buyer account
(different than the one you used to sign up for Checkout
by Amazon) that you use for buying on Amazon.com, you
can skip these steps.
Follow these steps to set up your buyer (testing) account:
1. Go to the Amazon Payments site at https://payments.amazon.com/
2. Click the Personal tab.
The Personal tab page appears:

Figure 8: The Personal tab page
3. On the right side of the page click Create account.
The Amazon.com Sign In page appears.
4. Enter your e-mail address, click I am a new user, and click Sign in using our secure server.
You should see the New to Amazon.com page. If you do not, press the Back button on your browser and be sure
you enter an e-mail and password that you have not used before to shop on Amazon.com.
5. Fill in the requested information and click Continue.


The Sign Up for Amazon Payments page appears.
6. Fill in the requested information and click Continue.
7. When prompted, you can activate more services, or click Skip to continue.

After you have signed up for an account, we'll send an e-mail to the address you supplied with instructions for you to
confirm your new account.

Set Up PayPhrase for Your Buyer Account
PayPhrase is an easy-to-remember shortcut to shipping and payment information in your Amazon.com account. Your
customers can use it for Express Checkout (including PayPhrase, 1-Click, and Express Checkout) at Amazon.com and
across the web, including your website.
You have two parts to setting up and using PayPhrase on your website:
1. Set up your PayPhrase for your buyer (testing) account.
2. Set up your website to allow PayPhrase, 1-Click, and Express Checkout.
In this task you set up the PayPhrase for your buyer (testing) account. To learn how to enable PayPhrase, 1-Click, and
Express Checkout on your website, see Enabling PayPhrase on Your Website on page 24.
Tip: When you create your PayPhrase for your buyer
(testing) account, set up approvals for your PayPhrase.
That way, you can use the PayPhrase for test purchases but
wait until a convenient time to either decline or approve
the test purchases.

1. On the Amazon Payments site, click the PayPhrase tab.
The Amazon PayPhrase page appears.
2. Click the Create Your PayPhrase button.
The PayPhrase creation page appears.
3. Accept the suggested PayPhrase, or enter your own.
4. Option: click the Set up spending limits and approvals check box.
5. Click the Next button.
6. If you clicked the Set up spending limits and approval check box (earlier), then click the Review and approve all
orders before they are placed option button and click the Next button.
7. On the Create a PIN page, enter your 4-digit PIN.
8. Click the Claim Your PayPhrase button.
9. Enter your shipping address and click the Use as shipping address button.
10. Enter your payment method and click the Continue button.
11. Select or enter a billing address and click the Use as billing address button.
The Your PayPhrase Is Ready to Use page appears.

Enabling PayPhrase on Your Website
PayPhrase is an easy-to-remember shortcut to shipping and payment information in your Amazon.com account. Your
customers can use it for Express Checkout at Amazon.com and across the web, including your website.
To enable PayPhrase on your website, you simply place two lines of code at the beginning of the button form you
create as shown below:
For Sandbox buttons (note the word "sandbox" in bold)
<script type="text/javascript"
src="https://images-na.ssl-images-amazon.com/images/G/01/cba/js/jquery.js">
</script>


src="https://images-na.ssl-images-amazon.com/images/G/01/cba/js/
widget/sandbox/widget.js">
</script>
For Production buttons
src="https://images-na.ssl-images-amazon.com/images/G/01/cba/js/jquery.js">
</script>
src="https://images-na.ssl-images-amazon.com/images/G/01/cba/js/widget/
widget.js">
</script>
Important: The code samples in this document always
show these lines of script that enable PayPhrase, 1-Click,
and Express Checkout. Be sure your button code always
includes these lines of code as well.

Chapter

2
Integrating with Checkout by Amazon
Topics: Integrating your website with Checkout by Amazon requires that you build
and test your buttons (and checkout process) in the Sandbox as well as in
• Steps to Integrating Checkout Production.
by Amazon with Your Website
The following section is a step-by-step procedure to create working checkout
• Integration Touch Points buttons, from your test buttons that you build and use in the Sandbox to
• Sandbox Setup working buttons you build and use on in Production.
• Production Setup
• Additional Setup Tips
• Set Up for Your Mobile-
Optimized Website

28 | Checkout by Amazon | Integrating with Checkout by Amazon

Steps to Integrating Checkout by Amazon with Your Website
Here are the steps you'll follow to integrate with Checkout by Amazon:
1. Create the cart using Sandbox URLs.
2. Sign the cart (optional).
3. Add the optional signature to the Sandbox Standard Checkout Widget.
4. Place the resulting Sandbox Standard Checkout Widget on your test web page.
5. Test the Sandbox order using your buyer account (complete the checkout in the Sandbox).
6. Create the cart using Production URLs.
7. Sign the cart (optional).
8. Base64-encode the cart.
9. Add the optional signature to the Production Standard Checkout Widget.
10. Place the Production Standard Checkout Widget on your test web page.
11. Test the Production order using your buyer account (complete the purchase in Production).
12. Cancel the Production order on Amazon Payments site using your buyer account login.
13. Place the Production-mode Standard Checkout Widget on your website.
Note: The Standard Checkout Widget renders the
Checkout button. Please refer to the Checkout by Amazon
Widget Reference Guide for details on using the Standard
Checkout Widget, and for information on how to set up
widgets on your web page.

Integration Touch Points
This image illustrates the path for integration as well as the "touch points" between the merchant and Amazon
Payments.

Checkout by Amazon | Integrating with Checkout by Amazon | 29

Figure 9: Integration Touch Points
There are three main steps in the checkout workflow:
1. The customer places the order with the merchant.
2. The merchant processes the order with Amazon Payments using Checkout by Amazon. This step includes
fulfilling (shipping) the order. When an order is marked as "shipped," the customer's account is charged.
3. The merchant manages the payments made to their merchant account.
During this process, there are several steps taking place:
1. When the customer places an order, a checkout request is sent to Amazon Payments.
2. This generates a callback request to the merchant (if callbacks are enabled).
3. The merchant sends back a callback response with the requested data.
4. Amazon Payments sends the customer to the specified "Thank You" page.
5. Amazon Payments sends a New Order Notification.
6. When the payment method from customer is processed, Amazon Payments sends an Order Ready for Fulfillment
Notification.
7. The merchant pulls (views or downloads) the Order Report
8. The merchant notifies Amazon Payments that the order is fulfilled. At this point, Amazon Payments charges the
customer's payment method.
9. Amazon Payments settles payment to the merchant's bank account.
10. The merchant pulls (views or downloads) the Settlement (Payment) Report.


Sandbox Setup

Create a Sandbox Cart Using HTML
Building a Sandbox cart lets you create test orders.
A simple HTML-based cart contains following elements:

Table 2: Simple HTML Cart Elements

Input name* Description Required
item_merchant_id_n 14-character alphanumeric Yes
string
Get from Settings > Account
Info > Checkout Pipeline
Settings

item_sku_n Stock-keeping Unit ID for the Yes. If using Fulfillment by
item. 1-250 characters. Amazon, the SKUs must
match
item_title_n Name of Item Yes
1 - 250 alphanumeric
characters only

item_price_n Cost of item Yes
0.01 - 999.99

item_quantity_n Number of items Yes
item_currency_code Type of currency Yes
Only "USD" accepted

merchant_signature Calculated value of the cart Yes, if signed carts are
required.
Base64-encoded

aws_access_key_id AWS Access Key ID (public Yes, if signed carts are
key) required and you are using the
AWS-provided signing keys.
certificate X.509 certificate (public key) Yes, if signed carts are
required and you are using
X.509 certificates.

Note: *"_n" for an input name represents the integer
value of the item number. The first item is _1, the second
is _2, and so on.
The following is an example of a simple Sandbox cart using HTML (line breaks added for clarity):
<html>
...
<head>
<script language=javascript src="https://payments-sandbox.amazon.com/cba/js/
PaymentWidgets.js">

</script>
...
</head>
<body>
...

<form id="CBACartFormId">
<input name="item_merchant_id_1" value="AEIOU1234AEIOU" type="hidden" />
<input name="item_sku_1" value="ABC123" type="hidden" />
<input name="item_title_1" value="Red Fish" type="hidden" />
<input name="item_price_1" value="19.99"type="hidden" />
<input name="item_quantity_1" value="1" type="hidden" />
<input name="currency_code" value="USD" type="hidden" />
<input name="merchant_signature"
value="c2lnbmF0dXJlIGZvciBDaGVja291dCBieSBBbWF6b24" type="hidden" />
<input name="aws_access_key_id" value="19G7E7X2QE2V45LETX2E" type="hidden" /
>
</form>

<div id="cbaButton1"/>
<script>
new CBA.Widgets.StandardCheckoutWidget({
merchantId:'AEIOU1234AEIOU',
orderInput: {format: "HTML",
value: "CBACartFormId"},
buttonSettings: {size:'large',color:'orange',background:'white'}
}).render("cbaButton1");
</script>
...

...
</body>
</html>
Note:
Be sure the input fields are hidden.
Do not use the HTML FORM POST command on this
form. The hidden input fields are accessed by the Standard
Checkout Widget.

Sign Your Cart
To generate a signature, you need a set of signing-key pairs. By default, your Checkout by Amazon account supplies
you with a set of AWS Access Keys, the Access Key ID (the public key) and the Secret Access Key (the private key).
See Getting Your AWS Key on page 22 for steps to take to get your AWS Access Keys.
Note: You can also use an X.509 certificate that's
associated with your Checkout by Amazon account.

Signing an HTML-based cart requires you to convert the cart content to name-value pairs, URL-encode the pairs, sort
the pairs, and then concatenate the name-value pairs.
After you sign the cart, you encode the resulting signature using base64, then add the signature to your HTML form
using the key "merchant_signature" with the value set to the calculated signature.
Note: The HTML cart has its input values in plain text;
only the signature is base64-encoded.

Follow these steps to sign your HTML-based carts
1. Get your AWS Access Keys or X.509 certificate.
2. Change your HTML input entries to name-value pairs.


For example, given the cart used in the example earlier, your name-value pairs would look like this (line breaks
added for clarity):
item_merchant_id_1=AEIOU1234AEIOU
item_sku_1=ABC123
item_title_1=Red Fish
item_price_1=19.99
item_quantity_1=1
currency_code=USD
aws_access_key_id=VWXYZ9876VWXYZ
3. Sort your cart input entries.
Here is an example of the sorted HTML content (line breaks added for clarity):
currency_code=USD
item_price_1=19.99
item_quantity_1=1
item_sku_1=ABC123
item_title_1=Red Fish
4. URL-encode the name-value pairs values.
The URL-encoded result will look like this (line breaks addded for clarity):
currency_code=USD
item_price_1=19.99
item_quantity_1=1
item_sku_1=ABC123
item_title_1=Red%20Fish
5. Concatenate the URL-encoded name-value pairs using the ampersand "&" character.
The concatenated cart will look like this (line breaks added for clarity):
&currency_code=USD
&item_merchant_id_1=AEIOU1234AEIOU
&item_price_1=19.99
&item_quantity_1=1
&item_sku_1=ABC123
&item_title_1=Red%20Fish&
Note: Be sure to include the "&" at the end of the
concatenated cart.
6. Using the programming language of your choice, sign the concatenated HTML with your AWS or X.509 private
signing key.
7. Using the programming language of your choice, base64-encode the resulting signature.
The resulting encoded signature will look something like this:

0nppbXTktfoV80Kh41GK7ruUhq8=

Add the Signature to the Cart
You can add one of two types of signatures to your cart.
Table 3: Signature Input Entries
Signature type Input entry
AWS Access Keys <input name="aws_access_key_id"
value="YOUR_MERCHANT_ACCESSKEY" type="hidden" />
X.509 certificate <input name="aws_key_pair" value="YOUR_X509_CERTIFICATE"
type="hidden" />

Follow these steps to add the signature to the HTML form.


Add to the INPUT tag the following values:
<input name="merchant_signature" value="[Signature value]" type="hidden" />

<input name="aws_access_key_id" value="[AWS Access Key ID Value]"
type="hidden" />
Your form should look like the following:
>
</form>

Place the Sandbox Checkout Button Code on Your Test Webpage
When you have built the HTML code for the cart, concatenated it and signed it (if you accept only signed carts),
and base64-encoded the optional signature (if you accept only signed carts), you add the resulting cart content (and
optional signature) to an HTML form that displays the Checkout button.
For example, given the example earlier, the resulting code will look something like this (note that line breaks are for
ease of reading):
>
</form>
The complete HTML form will look something like this:
<html>
...
<head>
<script language=javascript src="https://payments-sandbox.amazon.com/cba/js/
PaymentWidgets.js">
</script>
...
</head>
<body>
...


>
</form>
...
<div id="cbaButton1"/>
<script>
new CBA.Widgets.StandardCheckoutWidget({
merchantId:'AEIOU1234AEIOU',
orderInput: {format: "HTML",
value: "CBACartFormId"},
buttonSettings: {size:'large',color:'orange',background:'white'}
}).render("cbaButton1");
</script>
...

...
</body>
</html>
Now place this code on the test webpage where you want the Sandbox Checkout button to appear.
Note:
Your checkout button and cart code must contain the lines
of JavaScript as shown in the example above.
For a complete list of button styles, please see Button
Styles.
Do not mix Sandbox and Production buttons on the same
page.

Test Your Sandbox Button by Placing a Test Order
Now that you have created a Sandbox Checkout button and placed it on a test web page, you're ready to test it.
Note: Remember, you must use your Buyer (Test)
Account to test buying items, even if you buy items in the
Sandbox.
Note: Orders you place using Sandbox buttons are
never charged. This means your Buyer (Test) Account
will not receive a confirmation e-mail, and your Seller
Account will not receive any notification on the sale. You
can, however, track Sandbox orders in Seller Central by
searching for "Pending Orders." For more information
about how to do so, please see Managing Orders.
When you test a Sandbox button, you test for the following exit criteria:
• Clicking the Sandbox Checkout button starts the checkout process.
• If you use your Buyer (Test) Account's PayPhrase, the checkout window on your site appears.
• If you bypass using your PayPhrase and sign in using your Buyer (Test) Account, you can proceed through the
checkout pipeline without failure.
• When you come to a page that displays a Place order button, clicking the button delivers a message that the order
was placed.
• Using your Seller Account in Seller Central, you can find the pending order on the Manage Orders page.
Follow these steps to place test orders in the Sandbox.
1. Open your web browser and go the URL for your test web page.
2. Click the Sandbox Checkout button you just created.
3. If you are using your Buyer Account PayPhrase, enter your PayPhrase and click the button to continue.


4. If you are bypassing your PayPhrase, then when prompted, sign in using your Buyer (Test) Account credentials
In some cases you might not be prompted to sign in if you've recently made a purchase using your Buyer (Test)
Account on the computer you're using for testing.
5. If you are bypassing your PayPhrase, then when prompted, select the shipping address and credit card you want to
use for the purchase.
Depending upon your Buyer (Test) Account settings, you might not be prompted for this information.
6. At the confirmation page, review the information to be sure it's accurate.
Make sure the shipping, tax, and promotional discount information is correct.
7. Click the Place this order button to complete the Sandbox purchase.
Remember, although you will see a confirmation message, your Buyer (Test) Account will not get a confirmation
e-mail, because Sandbox transactions do not become orders.

Production Setup

Create a Production Cart Using HTML
Building a Production cart lets you create real orders; that is, orders that are processed, charged, and fulfilled.
A simple HTML-based cart contains following elements:

Table 4: Simple HTML Cart Elements
Input name* Description Required
item_merchant_id_n 14-character alphanumeric Yes
string
Get from Settings > Account
Info > Checkout Pipeline
Settings

item_sku_n Stock-keeping Unit ID for the Yes. If using Fulfillment by
item. 1-250 characters. Amazon, the SKUs must
match
item_title_n Name of Item Yes
1 - 250 alphanumeric
characters only

item_price_n Cost of item Yes
0.01 - 999.99

item_quantity_n Number of items Yes
item_currency_code Type of currency Yes
Only "USD" accepted

merchant_signature Calculated value of the cart Yes, if signed carts are
required.
Base64-encoded

aws_access_key_id AWS Access Key ID (public Yes, if signed carts are
key) required and you are using the
AWS-provided signing keys.
certificate X.509 certificate (public key) Yes, if signed carts are
required and you are using
X.509 certificates.

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