Support › Forums › Modules and Extensions › Magento First Data GGe4 API › unauthorized request. bad or missing credentials.
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I am using Magento Payeezy firstdata gge4 in my site. Here I’m getting the following error: unauthorized request. bad or missing credentials.
Can anyone help to solve this?
Login to your Firstdata account >> go to terminals >> select terminal.
You can get the username, gateway id and gateway password. Do update ,copy & paste it in the module backend. Then click on save configuration.
Refer the below screenshots for more reference:
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