# Save Extended Profile

Extended Profile is used to store additional user information that is not part of the core profile. This endpoint will create an Extended Profile for the App ID if one did not exist already, or overwrite an existing Extended Profile for the App ID. The body can be any valid JSON.

Endpoint: PUT /blaize/profile/{appId}
Version: 2025-07-30
Security: CookieBlaizeSession, JwtQuery, JwtHeaderXBlaizeJwt, JwtHeaderXZephrJwt, JwtBearer, JwtCookie

## Path parameters:

  - `appId` (string, required)
    Unique, caller-provided path parameter that represents the context under which the end user's data is stored within a tenant. This cannot start with '_restricted'.

## Header parameters:

  - `cookie` (string)
    The session cookie.
    Example: "`blaize_session=...` (string)"

## Response 200 fields (application/json):

  - `message` (string)
    Example: "User extended profile updated"


## Response 400 fields

## Response 401 fields