---
title: "PUT /payment-api/v2/order/updateReferenceNo"
method: PUT
path: "/payment-api/v2/order/updateReferenceNo"
tags: ["Order"]
---

# PUT /payment-api/v2/order/updateReferenceNo

`PUT /payment-api/v2/order/updateReferenceNo`

## Headers

- `Authorization` string, required
- `MerchantId` string

## Request body

- OrderReferenceNoPutModel
  - `transactionId` string, nullable
  - `paymentDetails` OrderReferenceNoPutPaymentDetailsItemModel
    - `referenceNo` string, nullable
    - `lineItems` OrderReferenceNoPutLineItemModel[], nullable
      - `itemRef` string, nullable
      - `pmsLocator` string, nullable
      - `crsLocator` string, nullable

## Response `200`

Success

## Other responses

- `400` — Bad Request
- `500` — Server Error

---

[API](https://skmtc.dev/iolpay/apis/iolpay-payment-api-public-3.md) · [All operations](https://skmtc.dev/iolpay/apis/iolpay-payment-api-public-3/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/iolpay/iolpay-payment-api-public-3/revisions/15a2239f09fc/schema)