---
title: "Changes to Create Global Custom Field"
method: POST
path: "/companies/custom_field"
---

# Changes to Create Global Custom Field

`POST /companies/custom_field`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 11 revisions.

- **2026-08-19** `fbef1ba78f96` — 4 breaking
- **2026-08-19** `2100d53a6676` — 4 info
- **2026-07-26** `fcf35c98e097` — 2 info

## Changes

- **2026-08-19** `fbef1ba78f96` — 4 breaking
  - removed `#/components/schemas/EmailListCustomFieldValue` from the `default_value` request property `anyOf` list
  - removed `#/components/schemas/OwnerListCustomFieldMetadata` from the `metadata` request property `anyOf` list
  - removed the enum value `EMAIL` of the request property `type`
  - removed the enum value `OWNER` of the request property `type`
- **2026-08-19** `2100d53a6676` — 4 info
  - added `#/components/schemas/EmailListCustomFieldValue` to the `default_value` request property `anyOf` list
  - added `#/components/schemas/OwnerListCustomFieldMetadata` to the `metadata` request property `anyOf` list
  - added the new `EMAIL` enum value to the request property `type`
  - added the new `OWNER` enum value to the request property `type`
- **2026-07-26** `fcf35c98e097` — 2 info
  - 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

---

[Operation](https://skmtc.dev/harmonic/apis/harmonic-ai-public-api/docs/companies/custom_field/post.md) · [API](https://skmtc.dev/harmonic/apis/harmonic-ai-public-api.md) · [Page](https://skmtc.dev/harmonic/apis/harmonic-ai-public-api/changes/companies/custom_field/post)