Who This Is For / When to Use
This feature is for users who need to deduct amounts directly on an invoice for accounting, compliance, or reconciliation purposes.
Use this when you need to reflect refunds, returned goods, or advance adjustments as part of the invoice total.
What Are Negative Line Items
Negative line items are invoice items with a price below zero.
They are commonly used for:
Returned goods
Buybacks
Advance payment adjustments
Manual credits that must appear on the invoice
Negative items reduce the invoice subtotal and total automatically.
Where Negative Line Items Are Supported
Negative pricing is supported on:
Invoices created manually
One-time invoice line items
Negative-priced items cannot be saved to the product catalog.
How to Add a Negative Line Item to an Invoice
Step 1: Create or Edit an Invoice
Go to Payments → Invoices.
Create a new invoice or open an existing draft.
Click Add an item.
Step 2: Enter a Negative Price
In the Add New Item modal:
Enter a Product Name.
Select a Product Type.
In the Amount field, use the minus (–) control or type a negative value.
Click Save.
Step 3: Review the Invoice Total
The negative item appears in the invoice line items.
The subtotal and amount due are reduced accordingly.
How Invoice Calculations Work
Negative line items subtract their value from the subtotal.
Quantity is still respected.
The final Amount Due reflects the net total.
No additional configuration is required.
Important Rules and Limitations
Negative-priced items cannot be saved for later use.
Taxes cannot be applied to negative-priced items.
Negative items are intended for one-time invoice adjustments only.
Existing API behavior is preserved to avoid calculation issues.
Why We Built This
To support accurate accounting for returns and credits.
To meet compliance requirements where deductions must appear on invoices.
To avoid manual workarounds outside the invoicing system.
Common Use Cases
Returned Goods
If a client returns items worth $50, add a line item with a price of -50 to reflect the return.
Advance Payment Adjustment
If a client paid an advance earlier, add the advance amount as a negative line item to offset the total.
FAQ
Can I save a negative-priced product to reuse later?
No. Negative-priced items cannot be saved to the product catalog.
Can I apply tax to a negative line item?
No. Taxes cannot be assigned to negative-priced items.
Will negative items affect payment processing?
Yes. The final amount due reflects the negative adjustment.
Does quantity work with negative prices?
Yes. Quantity is applied normally, and the total is calculated accordingly.
Is this available for estimates?
No. Negative line pricing is currently supported for invoices only.