# Update user custom data

**PATCH /api/users/{userId}/custom-data**

Update custom data for the given user ID. This method performs a partial update of the custom data object.


## Servers
- Logto endpoint address.: https://[tenant_id].logto.app (Logto endpoint address.)


## Authentication methods
- O auth2


## Parameters

### Path parameters
- **userId** (string)
  The unique identifier of the user.


### Body: application/json (object)

- **customData** (object)
  Partial custom data object to update for the given user ID.


## Responses
### 200
Updated custom data in JSON for the given user ID.

#### Body: application/json (object)
object
### 400
Bad Request

### 401
Unauthorized

### 403
Forbidden

### 404
Not Found


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