Update invoice

documented

Update an existing invoice.

PUT /invoices/{invoice_id}Accountingno implementation yet0 runs

Input

invoice_id

Invoice ID

INV-10001

business_id

Business ID

contact_id*

Contact ID

date*

Invoice Date (YYYY-MM-DD)

YYYY-MM-DD

due_date*

Due Date (YYYY-MM-DD)

YYYY-MM-DD

reference

Invoice Reference

REF-2026-02

status_id

Invoice Status ID

UNPAID/PAID

line_description*

Line Description

Description of line item

ledger_account_id*

Line Ledger Account ID

Ledger Account ID

quantity*

Line Quantity

unit_price*

Line Unit Price

99.99

tax_rate_id*

Tax Rate ID

Calls Sage as you (your API key is your account); keychains.dev holds the credentials.