---
title: "Update reservation's Custom Fields"
method: PUT
path: "/reservations/{id}/custom-fields"
tags: ["Reservations"]
deprecated: true
---

# Update reservation's Custom Fields

`PUT /reservations/{id}/custom-fields`

> **Deprecated.**

For updating custom fields, use the <a href="https://open-api-docs.guesty.com/reference/reservationsopenapicontroller_updatereservationcustomfields">new API</a>

## Path parameters

- `id` string, required

## Request body

- object
  - `customFields` object[]
    - `fieldId` string
    - `value` string

## Response `200`

The updated object

## Other responses

- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `500` — Unhandled exception. Something went wrong on server.

---

[API](https://skmtc.net/guesty/apis/guesty-open-api.md) · [All operations](https://skmtc.net/guesty/apis/guesty-open-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/guesty/guesty-open-api/versions/7c62644070f2/schema)