---
title: "Billing Update Invoice"
method: PATCH
path: "/api/doctor/billing/invoices/{invoice_id}"
---

# Billing Update Invoice

`PATCH /api/doctor/billing/invoices/{invoice_id}`

## Request

- Base URL: `https://api.mednode.in` (the document declares no server; this is the origin it was published from)
- URL: `https://api.mednode.in/api/doctor/billing/invoices/{invoice_id}`
- Auth: HTTP bearer

Mark paid, void, or adjust a discount. Voided invoices are immutable.

## Path parameters

- `invoice_id` integer, required

## Request body

- InvoiceUpdateRequest
  - `payment_mode` string, nullable
  - `status` string, nullable
  - `notes` string, nullable
  - `discount_inr` integer, nullable

## Response `200`

Successful Response

- InvoiceResponse
  - `id` integer, required
  - `invoice_number` string, required
  - `doctor_user_id` integer, required
  - `doctor_name` string, nullable
  - `clinic_name` string, nullable
  - `patient_name` string, nullable
  - `patient_phone` string, nullable
  - `patient_user_id` integer, nullable
  - `appointment_id` integer, nullable
  - `items` object[]
  - `subtotal_inr` integer, required
  - `discount_inr` integer, required
  - `tax_inr` integer, required
  - `total_inr` integer, required
  - `payment_mode` string, nullable
  - `status` string, required
  - `notes` string, nullable
  - `paid_at` string, date-time, nullable
  - `created_at` string, date-time, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/mednode/apis/mednode-ai-api.md) · [All operations](https://skmtc.dev/mednode/apis/mednode-ai-api/llms.txt) · [OpenAPI document](https://skmtc.dev/mednode/apis/mednode-ai-api/revisions/7e0b84effd6e?raw)