---
title: "Update mutable invoice fields (DRAFT only)"
method: PATCH
path: "/v1/invoices/{id}"
tags: ["Invoices"]
---

# Update mutable invoice fields (DRAFT only)

`PATCH /v1/invoices/{id}`

Update NET terms, PO number, payment terms label, internal notes, or customer notes on a DRAFT invoice. Once issued, these fields are frozen.

## Path parameters

- `id` string, required

## Response `200`

Default Response

---

[API](https://skmtc.net/usedrip/apis/drip-api.md) · [All operations](https://skmtc.net/usedrip/apis/drip-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/usedrip/drip-api/revisions/2cb1567969ca/schema)