---
title: "Create a new CustomFieldSet"
method: POST
path: "/custom_field_sets.json"
tags: ["Custom Field Sets"]
---

# Create a new CustomFieldSet

`POST /custom_field_sets.json`

Outlines the parameters and data fields used when creating a new CustomFieldSet

## Query parameters

- `fields` string

## Headers

- `X-API-VERSION` string

## Request body

- object
  - `data` object, required
    - `custom_field_ids` integer[] — The unique identifiers of the custom fields associated with the CustomFieldSet.
    - `displayed` boolean — Whether or not the CustomFieldSet should be displayed by default.
    - `name` string, required — CustomFieldSet name.
    - `parent_type` 'Contact' | 'Matter' — Type of object the CustomFieldSet is for.

## Response `201`

Created

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `422` — Unprocessable Entity
- `429` — Too Many Requests

---

[API](https://skmtc.net/clio/apis/clio-api-documentation.md) · [All operations](https://skmtc.net/clio/apis/clio-api-documentation/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/clio/clio-api-documentation/revisions/73791ddd1207/schema)