Invoices ← Knowledge Base Video: Building & Sending Invoices What currencies does 17hats support? How do I send an invoice receipt? Does 17hats work with Square? How do I record a payment manually? What are the possible Invoice Settings and Options? What are the online payment options with 17hats? How do I set automatic invoice reminders? How do I issue a refund to my client? Video: Scheduled Payments Video: Recurring Invoices What if I receive an error message when trying to pay an invoice with Authorize.net? What time do invoice reminders get sent? What time do recurring invoices send to my clients? How do I sync my invoice number from 17hats to Quickbooks Online? How do I accept ACH payments through 17hats?