---
title: "Creates a custom field"
method: POST
path: "/api/v2/custom_fields"
tags: ["Custom Fields"]
---

# Creates a custom field

`POST /api/v2/custom_fields`

Create a new custom field.

## Headers

- `X-Organization-Id` string, required

## Response `201`

Single custom field

## Other responses

- `422` — Unprocessable Entity

## Changes

- **2026-08-27** `bbf5057edf0d` — 1 warning, 3 info
  - added the new `8.00` enum value to the `data/attributes/data_type_id` response property for the response status `201`
  - added the new optional request property `data/attributes/maximum_value`
  - added the new optional request property `data/attributes/minimum_value`
  - added the new `8.00` enum value to the request property `data/attributes/data_type_id`

[Change history](https://skmtc.dev/productive/apis/api-documentation/changes/api/v2/custom_fields/post.md)

---

[API](https://skmtc.dev/productive/apis/api-documentation.md) · [All operations](https://skmtc.dev/productive/apis/api-documentation/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/productive/api-documentation/revisions/bbf5057edf0d/schema)