Update invoice

documented

Update an invoice. ([developers.activecollab.com](https://developers.activecollab.com/api-documentation/v1/invoicing/invoices/invoices.html?utm_source=openai))

PUT /invoices/{id}Invoicingno implementation yet0 runs

Input

invoice_id*

Invoice ID

INV-1234

project_id

Related Project ID

200

due_date

Due Date (YYYY-MM-DD)

2026-03-01

currency

Currency Code

USD

notes

Notes

Optional notes

items

Invoice Items (JSON array)

[{"name":"Consulting","price":100,"quantity":2}]

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