1. Go to the Settings page and then Main Settings

2. Choose the Accept Payments tab. 

3. Click on Square and then on the blue Connect button

4. Register your Square account, or choose Sign In if you have an existing account.

Congratulations! Your InvoiceBerry account is now connected with Square.

5. Tick the Square box when you create a new invoice that you want to be paid for via Square. 

Note: your clients will receive a direct payment link via email when you send them an invoice.