Solved sandbox processing center setup error

  • 21 September 2023
  • 5 replies

Userlevel 5
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We are trying to set up our sandbox account as a processing center on our Acumatica sandbox tenant, however we’re getting the below error message. I created a brand new Signature Key and Transaction Key and still when I try to test credentials I get this error.

Any ideas how to get around this? I’ve played around with TESTMODE and VALIDATION parameters and that hasn’t helped.



Best answer by mikeho 25 September 2023, 23:38

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Userlevel 7
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Hi @mikeho 

Please try this


Userlevel 7
Badge +12

In this case please touch base with support team


This error occurs when the API key is different from the keys inputted in your Recharge account. Contact the Recharge Support team with your new keys if your API and transaction keys have changed.


E00007 – User authentication failed due to invalid authentication values.

This error occurs when the API environment doesn't recognize the API Login ID and Transaction Key submitted. There are three possible causes of this error:

  • Posting a live account's API Login ID and Transaction Key to the test environment at -- For live accounts, please post to instead.
  • Posting a test account's API Login ID and Transaction Key to the live environment at -- For test accounts, please post to instead.
  • The API Login ID or Transaction Key have errors.
Userlevel 5
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I figured out the issue - the MERCNAME line (with the description of “Your Merchant Name / Login”) is a little misleading; this value actually needs to be the API Login ID:



Userlevel 5
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@manikantad18 - still seeing the same error:


Userlevel 7

Thank you for sharing your solution with the community @mikeho!


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