Hidden fields and reference-ID (One Page Shop)

By using webhooks, you can transmit hidden data to your one page shop and receive it in your system.


There are different possible solutions:


A. First option
If you don’t need to see the data in your Payrexx back office and just need the information in your webhook, you could use the following reference-ID:

https://demo.payrexx.com/en/?tid=b6d9c31d&referenceId=customernumber_invoicenumber


Afterwards it will appear in the webhook within the following field:




B. Second option

As an alternative you can add “hidden fields” to your one page shop. Please edit your one page shop in the back office and add under form fields > new element > a hidden field:



The fields could be filled out like the following example:

https://demo.payrexx.com/de/?tid=b6d9c31d&custom_customernumber=VALUE&custom_invoicenumber=VALUE2


C. Third option

If you don’t generate your bills with Payrexx and you would like to use a Business Paylink you can integrate the Payrexx API. Thereby you can create an “invoice” with a reference-ID, which can not be changed or manipulated by the client.

Read more about it: https://developers.payrexx.com/


D. Fourth option

Another option would be, to add an external reference to your paylink. Create a new paylink and add under "Advanced options" an external reference:



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