---
title: "Apply a Credit Note to an Invoice"
method: POST
path: "/credit-note-applications"
tags: ["Credit Notes"]
---

# Apply a Credit Note to an Invoice

`POST /credit-note-applications`

Allocates an amount from a Credit Note's balance to an Invoice's balance.

## Headers

- `Authorization` string, required
- `sequence-version` '2024-07-30'

## Request body

- CreateCreditNoteApplicationEndpointCreateCreditNoteApplicationRequestModel
  - `creditNoteId` string, required — The Credit Note to draw from
  - `invoiceId` string, required — The Invoice to apply credit to
  - `amount` number, required — Amount to allocate from the Credit Note to the Invoice.
  - `currency` 'AED' | 'ARS' | 'AUD' | 'BRL' | 'BGN' | 'CAD' | 'CHF' | 'CLP' | 'CNY' | 'COP' | 'CZK' | 'DKK' | 'EGP' | 'EUR' | 'GBP' | 'HKD' | 'ILS' | 'INR' | 'ISK' | 'JPY' | 'KRW' | 'MXN' | 'NOK' | 'NZD' | 'PLN' | 'SAR' | 'SEK' | 'SGD' | 'THB' | 'USD' | 'UYU' | 'ZAR', required
  - `creditNoteBalanceVersion` integer, required — Expected current balance version of the Credit Note (for OCC)
  - `invoiceBalanceVersion` integer, required — Expected current balance version of the Invoice (for OCC)

## Response `200`

OK

## Other responses

- `201` — Created
- `400` — Bad Request
- `401` — Unauthorized
- `409` — Conflict
- `500` — Internal Server Error

---

[API](https://skmtc.net/sequencehq/apis/sequence.md) · [All operations](https://skmtc.net/sequencehq/apis/sequence/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sequencehq/sequence/versions/cae64b02699f/schema)