---
title: "Contact Custom Fields"
slug: "contact-custom-fields-1"
updated: 2025-08-26T18:20:19Z
published: 2025-08-26T18:38:28Z
canonical: "guide.youraspire.com/contact-custom-fields-1"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.youraspire.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Contact Custom Fields

## **Description**

Custom field values associated with individual contacts in the Aspire system. These fields can be used to track user-defined data like preferences, roles, or supplemental contact information.

## Resource Overview

| **Endpoint** | **Definition** |
| --- | --- |
| [GET/ContactCustomFields](https://guide.youraspire.com/apidocs/contactcustomfields) | Retrieve a list of custom field values assigned to contacts. |
| [POST/ContactCustomFields](/v1-api/apidocs/contactcustomfields-3) | Create a new custom field value for a contact. |
| [PUT/ContactCustomFields](/v1-api/apidocs/contactcustomfields-4) | Update the value of an existing custom field for a contact. |

## Attributes

| Attribute | Description | Data Type | Notes |
| --- | --- | --- | --- |
| ContactCustomFieldValueID | Unique identifier for the field value record | integer(int32) | Required |
| ContactCustomFieldDefinitionID | Reference to the custom field definition | integer(int32) | Required |
| ContactID | Associated contact record | integer(int32) | Required |
| ColumnValue | Stored value for the field | string | Max Length: 2000 |