# Update profile extensions dynamically (deprecated)

This endpoint is deprecated. Please check the [Additional Verification](/api-reference/legacy/verification) endpoints for providing additional verification details for a profile.
Post extension requirements to discover additional required fields based on selected values. See the [GET extension-requirements](/api-reference/legacy/profile/profileextensionrequirementsget) endpoint for full details on how to use these endpoints together.

Endpoint: POST /v1/profiles/{profileId}/extension-requirements
Security: UserToken

## Path parameters:

  - `profileId` (integer, required)
    Profile ID.

## Header parameters:

  - `X-External-Correlation-Id` (string)
    Optional UUID for correlating requests across systems. If provided, Wise echoes it back in the response. Maximum 36 characters. [Learn more](/guides/developer/headers/correlation-id).