# Update a dialstring

Endpoint: PUT /dialstrings/{dialstring_id}
Version: 1.12
Security: bearerAuth

## Path parameters:

  - `dialstring_id` (integer, required)
    Dial string identifier
    Example: 1

## Request fields (application/json):

  - `dialstring` (string, required)
    Dialstring prefix

  - `referenceDataSourceChargeGroupId` (integer, required)
    Identifier of the linked reference data source charge group
    Example: 1

  - `startDate` (string, required)
    Date this dialstring applies from

  - `endDate` (string)
    Date this dialstring applies to

## Response 200 fields (application/json):

  - `id` (integer)
    Internal identifier for dialstring
    Example: 1

  - `dialstring` (string, required)
    Dialstring prefix

  - `referenceDataSourceChargeGroupId` (integer, required)
    Identifier of the linked reference data source charge group
    Example: 1

  - `startDate` (string, required)
    Date this dialstring applies from

  - `endDate` (string)
    Date this dialstring applies to


## Response 400 fields

## Response 401 fields

## Response 404 fields

## Response 412 fields

## Response 500 fields

## Response 501 fields