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If you log in the account for the first time, Xero will ask you to create an organization. Enter the details of your organization. Press on Start Trial, or Buy Now to continue. 

For Private Application Mode

Now you can create a new consumer key of Xero account. 

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Click on "Show" button to get the Consumer Key.  

For Public Application Mode

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Configuration

Set up Xero Account Informations 

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