Issuing invoices is one of those tasks that repeats constantly, demands precision and is perfectly suited to automation. Many small business owners still issue invoices by hand, even though this can be set up once and forgotten.
Automation here does not mean buying an expensive accounting solution. It means connecting the systems you already use and creating a clear flow from order to sent invoice.
What does an automated invoicing process look like?
A typical automated flow looks like this: the customer confirms an order or signs a contract → the system automatically generates an invoice with all the required data → the invoice is emailed to the customer → the information is recorded in the accounting system → if the invoice is not paid within the set period, a reminder is sent.
- 1The customer confirms an order or signs a contract
- 2The invoice is generated automaticallyn8n · Make
- 3Sent to the customerEmail
- 4Recorded in the accounting systemRivile · Site.pro · Xero
- 5Not paid on time: a reminder
This whole process can run with no manual intervention. The only thing you need to do is configure the system correctly once.
Which systems can you integrate with?
Accounting systems popular in Lithuania, such as Rivile, Site.pro (formerly B1.lt), Directo and others (Lithuanian accounting software), have APIs or export options that can be connected to automation tools.
International systems such as Xero, QuickBooks and FreeAgent have excellent integrations with n8n, Make and Zapier. If you work from Google Docs templates, invoices can be generated directly from Sheets or CRM data.
What are the main invoice automation scenarios?
Recurring invoices: for customers who pay monthly or quarterly, invoices are automatically created and sent at a set time, with no need to remind yourself.
An invoice after an event: when the CRM status changes to "closed", the system automatically creates an invoice from the contract data.
Reminder sequences: the invoice is unpaid after 7 days, first reminder; after 14 days, a second one; after 30 days, an automatic notification to the manager.
- 1Invoice sentEmail
- 2Unpaid after 7 days: first reminder
- 3After 14 days: second reminder
- 4After 30 days: notification to the managerFrom here, a person decides.
How much does invoice automation cost and how long does it take?
Simple invoice automation, for example an invoice after a CRM status change and sending it by email, usually takes 1–2 days to build and costs from €450, depending on the systems.
A complete invoicing flow with reminders, accounting integration and reports takes 1–2 weeks. Such a solution often pays for itself within a few months through time saved and delays avoided.