# Normalize the telephone field of targets in a segment (deprecated)

Endpoint: POST /segments/{id}/normalization
Version: 8.1.0

## Path parameters:

  - `id` (integer, required)
    The segment's id

## Header parameters:

  - `X-Key` (string, required)
    A unique API key used to authenticate requests to the NP6 platform. 
This key must be included in every API call to validate the identity and permissions of the client. 
Keep your API key secure and do not expose it in public code or logs.

## Request fields (application/json):

  - `fields` (object)
    Key value pair of the field id that should be normalized  
and the list of possible country codes for that field.


## Response 204 fields

## Response 400 fields

## Response 401 fields

## Response 403 fields

## Response 404 fields