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Installing the module is a straightforward process, simply follow the steps below and feel free...Common Sync Errors
Below you can find a list of common errors, their causes, and steps to resolve: Contacts Sync...FAQ
Q. How do I find my 'Next Transaction ID'? A. In WHMCS, go to 'Billing' -> 'Transaction...Setting up WHMCS Payment Sync
For invoices to be automatically marked as paid in Xero, you must specify Payment Gateway...Custom Contact Link
You can create a custom link to allow you to click from your Xero contact to WHMCS.To do this,...