Hello everyone,

I have a scenario in Odoo 18 where I need to automate advance monthly payments to a vendor before receiving their invoice.

Scenario:

1. We have a vendor named X that provides IT services.
2. We have a 1-year contract with them.
3. We pay $ 1,500 at the end of each month in advance before they send us their invoice.
4. The vendor’s invoices are always delayed, so we must ensure payment happens automatically without waiting for an invoice.
5. When the invoice finally arrives, we should be able to match it with the advance payment.
6. Or if it is possible to create a prepayment of $ 18000 for the 12 months and deduct $1500 each month.
   

• How can I automate this monthly advance payment in Odoo 18?
• Would Auto-Post Entries or Recurring Vendor Bills be the best approach?
• How do I properly reconcile the late invoice with the advance payment when it arrives?

Has anyone implemented something similar in Odoo 18?

Thanks in advance!