# Update a Credential List

**POST /2010-04-01/Accounts/{AccountSid}/SIP/CredentialLists/{Sid}.json**

Update a Credential List
Lists of SIP credentials

## Servers
- https://api.twilio.com: https://api.twilio.com ()


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **AccountSid** (string)
  The unique id of the Account that is responsible for this resource.
- **Sid** (string)
  The credential list Sid that uniquely identifies this resource


### Body: application/x-www-form-urlencoded (object)

- **FriendlyName** (string)
  A human readable descriptive text for a CredentialList, up to 64 characters long.


## Responses
### 200
OK
#### Headers
- **Access-Control-Allow-Origin** (string)
  Specify the origin(s) allowed to access the resource
- **Access-Control-Allow-Methods** (string)
  Specify the HTTP methods allowed when accessing the resource
- **Access-Control-Allow-Headers** (string)
  Specify the headers allowed when accessing the resource
- **Access-Control-Allow-Credentials** (boolean)
  Indicates whether the browser should include credentials
- **Access-Control-Expose-Headers** (string)
  Headers exposed to the client

#### Body: application/json (object)
- **account_sid** (string | null)
  The unique id of the [Account](https://www.twilio.com/docs/iam/api/account) that owns this resource.
- **date_created** (string(date-time-rfc-2822) | null)
  The date that this resource was created, given as GMT in [RFC 2822](https://www.php.net/manual/en/class.datetime.php#datetime.constants.rfc2822) format.
- **date_updated** (string(date-time-rfc-2822) | null)
  The date that this resource was last updated, given as GMT in [RFC 2822](https://www.php.net/manual/en/class.datetime.php#datetime.constants.rfc2822) format.
- **friendly_name** (string | null)
  A human readable descriptive text that describes the CredentialList, up to 64 characters long.
- **sid** (string | null)
  A 34 character string that uniquely identifies this resource.
- **subresource_uris** (object(uri-map) | null)
  A list of credentials associated with this credential list.
- **uri** (string | null)
  The URI for this resource, relative to `https://api.twilio.com`.


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