---
title: "Set Custom Properties"
method: POST
path: "/custom"
---

# Set Custom Properties

`POST /custom`

## Request

- Base URL: `https://e-networkId.adzerk.net/udb/networkId`
- URL: `https://e-networkId.adzerk.net/udb/networkId/custom`
- Auth: none required

With this you can tie Custom Properties to a specific UserKey using key/value pairs. For instance, `{"Key":"Value"}` could be `{"favoriteColor": "blue"}`.  Note that each call to set custom properties will replace any existing custom properties.

## Path parameters

- `networkId` integer, required

## Query parameters

- `property` string
- `group` integer

## Request body

- object
  - `Key/Value Object` string, required: This is a JSON object that can be anything since it's custom data. For instance, `{"favoriteColor": "blue"}`.

## Response `200`

200

---

[API](https://skmtc.dev/kevel/apis/userdb.md) - [All operations](https://skmtc.dev/kevel/apis/userdb/llms.txt) - [OpenAPI document](https://skmtc.dev/kevel/apis/userdb/revisions/a2a554691ec6?raw)