Datatrans Registration and Integration Manual into Payrexx

As a specialist for Internet payments and mobile payments, Datatrans supports all electronic means of payment in Europe.

Still no Datatrans contract?

  1. Ask for a Datatrans offer at: www.datatrans.ch/de/kontakt/kontaktformular.
  2. Select «Offer» for the request and «Webshop» for the desired payment solution.

Datatrans configuration

After conclusion of the contract, Datatrans will provide you with a merchant ID and the access data for https://admin.sandbox.datatrans.com.

  1. In your Payrexx administration, open the page «Settings» > «Payment provider».
  2. Select «Datatrans» as your new payment provider.
  3. Generate an HMAC key at https://admin.sandbox.datatrans.com. To do this, log in with the data received from Datatrans.
    You can find the key under «UPP administration» > «Security» and then click on the «Security» link next to the title «Server-to-Server service security».You can find this key under «UPP Management» > «Security» > link left of .
  4. Add the «Merchant ID» and the corresponding «HMAC key» in your Payrexx account.

Test Datatrans

Fill out the following form https://www.datatrans.ch/de/technikbereich/test-account.

You only need the «Web Payment Page» function. Configure the test account you received by following steps 1-4 above.




Use the new Datatrans API (Redirect API)


Configuration adjustments Datatrans


  1. Log in with your Datatrans account. Please note:
    Test accounts: https://admin.sandbox.datatrans.com/
    Live accounts: https://admin.datatrans.com/
  2. Open «UPP Administration» > «Security»
  3. Activate the following setting on the «Server-to-Server service security» input mask:

    «Protect server-to-server services with password»

    Also generate a new password and confirm the changes. Copy the password. (You must then enter this in the Payrexx administration under «Settings» > «Payment provider» > «Datatrans»  in the «Merchant password»  field.)

  4. Next to the title «Server-to-Server service security» is a link with the name «Security». Please follow this link.

  5. Select the second option «An additional merchant identification will be sent in the payment messages» and generate a new key. Confirm the changes.

  6. Open «UPP Management» > «UPP Data» and enter the settings according to the screenshot below. Confirm the changes.

    URL Post: https://dispatcher.payrexx.com/datatrans/webhook.php





Configuration adjustments Payrexx


  1. Open the «Settings» > «Payment provider» page in your Payrexx administration.
  2. Select «Datatrans» as the new payment provider.
  3. In the «Merchant password» field, enter the password you generated in Datatrans.



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