`Click to Pay Drop-In UI` Developer Guide {#ctp-about-guide}
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This section describes how to use this guide and where to find further information.

Audience and Purpose
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This document is written for merchants who want to enable the `Click to Pay Drop-In UI` so that they can accept and manual card entry payments on their e-commerce page.

Conventions
:
This statement is used in this document:

    > IMPORTANT
    > An *Important* statement contains information essential to successfully completing a task or learning a concept.

Customer Support
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For support information about any service, visit the Support Center:

<http://support.cybersource.com>