> For the complete documentation index, see [llms.txt](https://smartpossdk.gitbook.io/paywizard-open-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://smartpossdk.gitbook.io/paywizard-open-api/overview.md).

# Overview

<table data-card-size="large" data-view="cards" data-full-width="true"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden><select></select></th></tr></thead><tbody><tr><td><kbd><strong>Intro - Choose Your Best Practice</strong></kbd></td><td></td><td>If you're confused by the multitude of optional integration methods, please click the Intro page to find the best practice that's right for you.</td><td><a href="/files/Gv4N1Yb87BzQOvJNuMS7">/files/Gv4N1Yb87BzQOvJNuMS7</a></td><td><a href="/pages/kDd2PNYFyJFgskwIVBIt">/pages/kDd2PNYFyJFgskwIVBIt</a></td><td></td></tr><tr><td><kbd><strong>Terminal Semi-integraiton</strong></kbd></td><td></td><td>The Point of Sale (POS) system and the payment terminal are connected directly via USB, WIFI, Bluetooth, or a wired network to initiate transactions quickly and reliably.</td><td><a href="/files/ixwHR1lB1XqFamonIpD4">/files/ixwHR1lB1XqFamonIpD4</a></td><td><a href="/pages/Rdrzed0GHyEFBB4t9owj">/pages/Rdrzed0GHyEFBB4t9owj</a></td><td></td></tr><tr><td><kbd><strong>Cloud API</strong></kbd></td><td></td><td>The Point of Sale (POS) system and the payment terminal are connected indirectly via a cloud API</td><td><a href="/files/pwwMKWTa1tzUTVspoOGn">/files/pwwMKWTa1tzUTVspoOGn</a></td><td><a href="/pages/uFYoQDFikfvVLWzW6m8z">/pages/uFYoQDFikfvVLWzW6m8z</a></td><td></td></tr><tr><td><kbd><strong>E-Receipt</strong></kbd></td><td></td><td>After your payment application completes a payment, you can choose to upload the desensitized transaction information to the backend.</td><td><a href="/files/iFTJ3UW21yhgqkfk6dHx">/files/iFTJ3UW21yhgqkfk6dHx</a></td><td><a href="/pages/gBIVUsLtK3fDfYJyHQn0">/pages/gBIVUsLtK3fDfYJyHQn0</a></td><td></td></tr></tbody></table>


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