Update Segments

### OAuth scopes | UI Name | Permission | Parameter | |:--------|:-----------|:----------| | Customers | modify | `store_v2_customers` | | Customers | read-only | `store_v2_customers_read_only` | **NOTE**: GET endpoints require only read-only permission, except for the [Get All Shopper Profiles in a Segment](/developer/api-reference/rest/admin/management/customer-segmentation/shopper-profiles-for-a-segment#get-all-shopper-profiles-in-a-segment) endpoint which requires modify permission. ### Authentication header | Header | Argument | Description | |:-------|:---------|:------------| | `X-Auth-Token` | `access_token` | For more about API accounts that generate `access_token`s, see [API Accounts and OAuth Scopes](/developer/docs/overview/api-accounts). | ### Further reading For example requests and more information about authenticating BigCommerce APIs, see [Authentication and Example Requests](/developer/docs/overview/api-accounts#x-auth-token-header-example-requests). For more about BigCommerce OAuth scopes, see [API Accounts and OAuth Scopes](/developer/docs/overview/api-accounts#oauth-scopes). For a list of API status codes, see [API Status Codes](/developer/api-reference/rest/overview#rest-http-status-codes).