Support › Forums › Modules and Extensions › Magento First Data GGe4 API › FAQ 12 : Error: unauthorized request. bad or missing credentials
This topic contains 1 reply, has 0 voices, and was last updated by imported_admin 8 years, 8 months ago.
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 extension backend. Then click on save configuration.
You must Login/Register to reply to this topic.