---
title: "Delete Custom Field"
method: DELETE
path: "/persons/custom_field"
tags: ["persons"]
---

# Delete Custom Field

`DELETE /persons/custom_field`

## Query parameters

- `custom_field_urn` union, required — Custom field URN
  - string
  - string
  - string

## Response `200`

Successful Response

- ResourceUrnResponseUnionPersonListCustomFieldUrnListAttributeUrnRecordAttributeUrn
  - `urn` union, required
    - string
    - string
    - string
  - `metadata` DBOperationMetadata
    - `count_total` integer, nullable
    - `count_changed` integer, nullable
    - `count_skipped` integer, nullable
    - `count_not_found` integer, nullable

## Other responses

- `422` — Validation Error

## Changes

> 11 revisions in range; 3 could not be searched.

- **2026-07-26** `fcf35c98e097` — 1 breaking, 5 info
  - the `urn` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - api operation id `delete_global_custom_field_persons_custom_field_delete` removed and replaced with `delete_custom_field_persons_custom_field_delete`
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
  - …2 more

[Change history](https://skmtc.dev/harmonic/apis/harmonic-ai-public-api/changes/persons/custom_field/delete.md)

---

[API](https://skmtc.dev/harmonic/apis/harmonic-ai-public-api.md) · [All operations](https://skmtc.dev/harmonic/apis/harmonic-ai-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/harmonic/harmonic-ai-public-api/revisions/6b871b842c2d/schema)