> For the complete documentation index, see [llms.txt](https://smartpossdk.gitbook.io/cloudpossdk/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/cloudpossdk/cloudpos-sdk/emv-develop-spec.md).

# EMV Develop Spec

This document aims to simplify the understanding of EMV development specifications, providing clear information for Android application developers in the Smart POS industry. Please refer to the provided links for downloads and additional details.

### EMV API

<table><thead><tr><th width="246.33333333333331">Version</th><th>Download</th><th>Release Time</th></tr></thead><tbody><tr><td>4.35</td><td><a href="https://ftp.wizarpos.com/emv/EMVKernel_Android_interface_4.35(20250414).pdf">EMV kernel API</a></td><td>2025-04-14</td></tr></tbody></table>

### EMV Process Flow

| Version | Download                                                                   | Release Time |
| ------- | -------------------------------------------------------------------------- | ------------ |
| 230314  | [EMV Process Flow](https://ftp.wizarpos.com/emv/EmvProcessFlow_230314.pdf) | 2023-04-17   |

### [EMV Tag reference](http://www.emvlab.org/emvtags/)

### EMV Demo

#### Java API Demo

**Note:** After downloading the latest EMV sample, follow these steps:

1. Check for the latest CloudPOS SDK AAR.
2. Replace the existing AAR in the EMV Sample.

<table><thead><tr><th width="233">Version</th><th>Download</th><th width="145">Release Time</th><th>Description</th></tr></thead><tbody><tr><td>EMVSample_20260129.zip</td><td><a href="https://ftp.wizarpos.com/emv/EMVSample_20260129.zip">EMVSample</a></td><td>2026-01-29</td><td></td></tr><tr><td>EMVSample_240607.zip</td><td><a href="https://ftp.wizarpos.com/emv/EMVSample_240607.zip">EMVSample</a></td><td>2024-06-07</td><td>EMVSample Standard</td></tr><tr><td>EMVSample_20250401</td><td><a href="https://ftp.wizarpos.com/emv/EMVSample_20250401.zip">EMVSample(Using the JavaSDK AAR Library)</a></td><td>2025-04-01</td><td>Supports Android NFC, <a href="https://ftp.wizarpos.com/emv/ChangehistoryforNFC.txt">refer to the modification method</a></td></tr></tbody></table>

#### C API Demo (Deprecated)

<table><thead><tr><th width="224">Version</th><th>Download</th><th width="139">Release Time</th><th>Description</th></tr></thead><tbody><tr><td>20230627</td><td><a href="https://ftp.wizarpos.com/emv/EMVSampleJNI_20230627.zip">EMVSample(Using the JNI Library)</a></td><td>2023-06-27</td><td>support Android 12.</td></tr></tbody></table>


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