> 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

Find a guide to integrate PAYwizard payments APIs.

<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="https://2631785516-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FY7FuzH91SaNfvhwFA9Ic%2Fuploads%2FS05ACeOsFnYVCxuZp5np%2FChatGPT%20Image%202025%E5%B9%B46%E6%9C%884%E6%97%A5%2014_30_30.png?alt=media&amp;token=96a32d04-938e-4564-954c-eb2d73573ce2">ChatGPT Image 2025年6月4日 14_30_30.png</a></td><td><a href="/paywizard-open-api/choose-your-best-practice.md">Choose Your Best Practice</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="https://2631785516-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FY7FuzH91SaNfvhwFA9Ic%2Fuploads%2FEtlqeirKiIdyijC00KO3%2FChatGPT%20Image%202025%E5%B9%B46%E6%9C%884%E6%97%A5%2013_49_42.png?alt=media&amp;token=1f5183a0-fb27-41bc-adc3-0190bff2260b">ChatGPT Image 2025年6月4日 13_49_42.png</a></td><td><a href="/paywizard-open-api/semi-integration/quick-start-semi-integration.md">Quick Start - Semi Integration</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="https://2631785516-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FY7FuzH91SaNfvhwFA9Ic%2Fuploads%2FGoFIIUZY3IugvwKV3AkH%2FChatGPT%20Image%202025%E5%B9%B46%E6%9C%884%E6%97%A5%2013_53_00.png?alt=media&amp;token=1a3005b5-5f46-4b80-8f08-d5eb4ce9bacd">ChatGPT Image 2025年6月4日 13_53_00.png</a></td><td><a href="/paywizard-open-api/cloud-api/quick-start-cloud-api.md">Cloud API</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="https://2631785516-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FY7FuzH91SaNfvhwFA9Ic%2Fuploads%2F3EJRvjVHMCIhhwZt3MIz%2FChatGPT%20Image%202025%E5%B9%B46%E6%9C%884%E6%97%A5%2013_59_23.png?alt=media&amp;token=46ac7d0d-d95a-412f-9bc0-809992c969c5">ChatGPT Image 2025年6月4日 13_59_23.png</a></td><td><a href="/paywizard-open-api/cloud-api/e-receipt-intro.md">E-Receipt Intro</a></td><td></td></tr></tbody></table>