# Chain Management

Multi-location chain operations and clients

 - [GET /groups](https://developer.alteg.io/en/b2b-v1/openapi/chain-management/get_chain_list.md): The location chain object has the following fields: | Field | Type | Description | | --- | --- | --- | | id | number | Location chain ID | | title | string | Location chain name | | locations | array
 - [GET /group/{chain_id}/clients](https://developer.alteg.io/en/b2b-v1/openapi/chain-management/get_chain_client_by_phone_number.md): + Parameter + group_id (required, number, `43877`) - ID of the location chain #### Client filtering + phone:'+13155550175' (optional, string) - Phone to filter clients