> For the complete documentation index, see [llms.txt](https://apis.payon.com.kh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apis.payon.com.kh/payon-paygo-topup/2.-online-transaction-processing-interworking.md).

# 2. Online transaction processing interworking

@Payon development group

2.0 Initial\
     After the client connects to the server through HTTP, it delivers the JSON type command to provide the service provided by the server.

2.1 Interworking information\
     1\. SIT/UAT \
          \- protocol: HTTP\
          \- IP : 116.212.147.141\
          \- PORT : 36666\
&#x20;         \- URL : <http://116.212.147.141:36666/topup>\
&#x20;    2\. Production\
&#x20;         \- protocol: HTTP\
&#x20;         \- IP : api.payon.com.kh\
&#x20;         \- PORT : 36665\
&#x20;         \- URL : [https://api.payon.com.kh:36665/topup](http://116.212.147.141:36666/topup)\
&#x20;   3\. Timeout Policy\
&#x20;         \- Connection timeout: 30 sec\
&#x20;         \- Read timeout : 60 sec

&#x20;    <br>

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