---
title: "Set custom field value"
method: PUT
path: "/custom-field/value"
tags: ["Custom Fields"]
---

# Set custom field value

`PUT /custom-field/value`

## Request

- Base URL: `https://cloud.kaneo.app/api`
- URL: `https://cloud.kaneo.app/api/custom-field/value`
- Auth: HTTP bearer

Create or update a custom field value for a task.

## Request body

- object
  - `taskId` string, required
  - `fieldId` string, required
  - `value` string, required

## Response `200`

The saved custom field value

- SetCustomFieldValueResponse
  - `id` string, required
  - `taskId` string, required
  - `fieldId` string, required
  - `value` string, nullable, required

## Other responses

- `400`: Invalid body, or unknown custom field
- `401`: Missing or invalid credentials
- `403`: No access to the project, or missing task:update permission
- `404`: Task not found
- `429`: The API key exceeded its rate limit or usage quota. Wait the number of seconds in Retry-After before retrying. The X-RateLimit headers are sent only when the rate limit was hit.

## Changes

- **2026-10-09** `c9984766c765`: 1 info
  - added the non-success response with the status `404`
- **2026-10-08** `c7b8a842601b`: 3 breaking, 4 info
  - removed the media type `text/plain` for the response with the status `400`
  - removed the media type `text/plain` for the response with the status `403`
  - removed the media type `text/plain` for the response with the status `429`
  - added the media type `application/json` for the response with the status `400`
  - …3 more
- **2026-10-08** `2ed51b8af657`: 3 breaking, 3 info
  - removed the media type `application/json` for the response with the status `400`
  - removed the media type `application/json` for the response with the status `401`
  - removed the media type `application/json` for the response with the status `403`
  - added the media type `text/plain` for the response with the status `400`
  - …2 more
- **2026-10-07** `df1439c724ee`: 2 breaking, 3 info
  - removed the media type `text/plain` for the response with the status `400`
  - removed the media type `text/plain` for the response with the status `403`
  - added the media type `application/json` for the response with the status `400`
  - added the media type `application/json` for the response with the status `401`
  - …1 more
- **2026-09-11** `a5f29855e3f2`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/usekaneo/apis/kaneo-api/changes/custom-field/value/put.md)

---

[API](https://skmtc.dev/usekaneo/apis/kaneo-api.md) - [All operations](https://skmtc.dev/usekaneo/apis/kaneo-api/llms.txt) - [OpenAPI document](https://skmtc.dev/usekaneo/apis/kaneo-api/revisions/93f78789100c?raw)