---
title: "Upload bill credit note attachment"
method: POST
path: "/companies/{companyId}/connections/{connectionId}/push/billCreditNotes/{billCreditNoteId}/attachment"
tags: ["Bill credit notes"]
---

# Upload bill credit note attachment

`POST /companies/{companyId}/connections/{connectionId}/push/billCreditNotes/{billCreditNoteId}/attachment`

---
stoplight-id: c26f5b1b19168
---

The *Upload bill credit note attachment* endpoint uploads an attachment and assigns it against a specific `billCreditNoteId`.

[Bill Credit Notes](https://docs.codat.io/accounting-api#/schemas/BillCreditNote) are issued by a supplier for the purpose of recording credit.

**Integration-specific behavior**

For more details on supported file types by integration see [Attachments](https://docs.codat.io/accounting-api#/schemas/Attachment).

## Response `200`

Success

## Other responses

- `400` — The request made is not valid.
- `401` — Your API request was not properly authorized.
- `402` — An account limit has been exceeded. The type of limit is described in the error property: - You have exceeded the 50-company limit that applies to a Free plan. Delete any companies you no longer need and retry the request. - The requested sync schedule is not allowed. You requested an hourly sync schedule but this functionality is not included in the Free plan. - Your Free account is older than 365 days and has expired. Contact support@codat.io.
- `403` — You are using an outdated API key or a key not associated with that resource.
- `404` — One or more of the resources you referenced could not be found. This might be because your company or data connection id is wrong, or was already deleted.
- `429` — Too many requests were made in a given amount of time. Wait a short period and then try again.
- `500` — There is a problem with our server. Please try again later.
- `503` — The Codat API is temporarily offline for maintenance. Please try again later.

## Changes

- **2024-02-13** `4bfab0afa6ca` — 8 info
  - added the optional property `validation` to the response with the `400` status
  - added the optional property `validation` to the response with the `401` status
  - added the optional property `validation` to the response with the `402` status
  - added the optional property `validation` to the response with the `403` status
  - …4 more

[Change history](https://skmtc.dev/codatio/apis/accounting-api/changes/companies/:companyId/connections/:connectionId/push/billCreditNotes/:billCreditNoteId/attachment/post.md)

---

[API](https://skmtc.dev/codatio/apis/accounting-api.md) · [All operations](https://skmtc.dev/codatio/apis/accounting-api/llms.txt) · [OpenAPI document](https://skmtc.dev/codatio/apis/accounting-api/revisions/21d41189c461?raw)