---
title: "Update order"
method: PATCH
path: "/v2/order/{order_uuid}"
tags: ["Order"]
---

# Update order

`PATCH /v2/order/{order_uuid}`

Once transaction is completed, update Sezzle order with merchant reference ID

## Path parameters

- `order_uuid` string, required

## Request body

- object
  - `reference_id` string, required — The checkout or cart ID from the merchant, currently used for tracking only (must contain only alphanumeric characters, dashes (-), and underscores (_))

## Response `204`

Status No Content

## Other responses

- `400` — Invalid request
- `401` — Unauthorized. Returned for any failed bearer or basic auth, including expired bearer tokens.
- `404` — The specified resource was not found
- `422` — Unable to process the request entity

---

[API](https://skmtc.net/sezzle/apis/sezzle-api-v2.md) · [All operations](https://skmtc.net/sezzle/apis/sezzle-api-v2/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sezzle/sezzle-api-v2/versions/8a0700b7e27f/schema)